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Audit Complete

Results for https://bookdepository.com

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E-commerce · estimated Tracking: purchases
Singapore Singapore · Singapore Completed: Apr 22, 2026 22:57 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
D67

Site Health

Score: 67 / 100

Based on 8 categories, 0 sections

Decent speed, but optimizing further could improve engagement.

Several missing protections leave your users and data exposed.

Major barriers for users with disabilities — up to 15% of your audience.

Well-optimized for search — your content is discoverable.

Good server performance with room for optimization.

Several regulatory requirements are not yet met.

Missing metadata means poor previews on social media and search.

Reasonable footprint with room for optimization.

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

How the composite score is calculated

How you compare

Cart Functionality · 491 peers
You 67
·
Avg 72
At average
0 50 100
Better than 2% of Cart Functionality sites See full Cart Functionality benchmark →
Amazon Route 53 · 975 peers
You 67
·
Avg 72
At average
0 50 100
Better than 1% of Amazon Route 53 sites See full Amazon Route 53 benchmark →

Top Priorities (5)

1

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers
2

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy
3

2 button(s) with no accessible text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Link & Button Quality
4

2 link(s) with no accessible text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Link & Button Quality
5

3 control(s) without accessible label

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Form Accessibility
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

2

High impact, low effort — start here.

Strategic

3

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
BeaverCheck badge
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<a href="https://beavercheck.com/results/34b557c2-7b12-4c71-b0f2-5cf943324c31"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fbookdepository.com" alt="BeaverCheck Score"></a>
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What fixing these means

Your site has several issues that may be affecting user experience and business outcomes. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.

2 security gaps detected — browsers may warn visitors about your site.
3 accessibility issues exclude users who rely on assistive technology.
C
Could reach Estimate based on resolving critical issues

Conversion Barriers

4 critical 5 warning

9 barrier(s) likely increasing bounce by ~40%.

Speed (2)

Page takes 10.3s to load

+12% bounce

Users abandon at ~3s — you're 7.8s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

Page feels frozen for 2.4s

+5% bounce

Clicks on the primary CTA are ignored while JavaScript runs

Fix: Break up long tasks; defer non-critical JavaScript to post-hydration

Trust (1)

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Usability (3)

Layout shifts during page load

+3% bounce

Content movement causes mis-clicks on CTAs and form fields

Fix: Add width/height to images; reserve space for late-loading embeds

3 form field(s) without a label

+6% bounce

Screen readers skip unlabeled fields; autofill can't identify them; checkout abandonment spikes

Fix: Associate every input with a visible <label for="…">; add autocomplete attributes

No viewport meta tag

+15% bounce

Mobile browsers render at desktop width and shrink — text unreadable, tap targets miniature

Fix: Add <meta name="viewport" content="width=device-width, initial-scale=1">

Content (2)

No Open Graph tags

+2% bounce

Links shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop

Fix: Add og:title, og:description, og:image, og:url to the page head

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Navigation (1)

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

$550 investment → $5,223/month returns + USD 157,500 risk avoided

Payback period: < 1 month First-year ROI: +11295%

Investment

$550

6h · 5 findings

Monthly returns

$5,223 /mo

~$62,672 / year

  • Conversions recovered $5,222
  • Bandwidth savings $0.66

Regulatory risk avoided

USD 157,500

if kept compliant

  • ADA Title III USD 150,000
  • CCPA/CPRA USD 7,500

Payback period

0 12mo 24mo

$100 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

$550

5.5 developer hours at $100/hr

Based on United States rates ($100/hr)

Quick wins
$100 2 fixes in ~60 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions
$ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

$13,126 / month at risk

~$157,508 / year if left unfixed

Compliance Risk

$157,500

ADA Title IIICCPA/CPRA
  • No privacy policy link detected
    CCPA/CPRA: USD 2,500 – USD 7,500
  • 1 advertising/retargeting trackers detected
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no cookie policy found
    CCPA/CPRA: USD 2,500 – USD 7,500

+8 more

Bandwidth Waste

$0.66 /mo

8297.6 MB/mo × 0.080 USD/GB

  • Optimize transfer: save ~830 KB per page load
    Saves $0.66/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Unique monthly visitors from your analytics

Purchases, signups, or key actions

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue
Current bounce (est.)
After fixes (est.)
Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

26
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
87
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
75
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

5.61 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

10.26 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

2.36 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.110

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

8.20 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

17.72 s

Detailed Report

Audit breakdown by category with detailed findings.

26

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.012162999999999998] map[node:map[boundingRect:map[bottom:821 height:278 left:0 right:412 top:543 width:412] lhId:page-9-UL nodeLabel:Best sellers in print path:1,HTML,4,BODY,0,DIV,42,DIV,11,DIV,0,DIV,5,DIV,11,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,a,#document-fragment,1,DIV,1,UL selector:div#carousel-container > ul#carousel-list snippet:<ul id="carousel-list" role="list" style="gap: 12px; padding-left: 16px; padding-right: 16px; margin-left: -16px;" class=" " aria-label="Best sellers in print"> type:node] score:0.006567] map[node:map[boundingRect:map[bottom:335 height:37 left:96 right:197 top:298 width:101] lhId:page-1-A nodeLabel:Shop Books path:1,HTML,4,BODY,0,DIV,33,HEADER,3,DIV,0,DIV,4,DIV,1,DIV,0,DIV,1,A selector:div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > div.a-section > a.a-link-normal snippet:<a data-id="/amz-books/store" class="a-link-normal _Ym9va_interactiveItem_3RkNZ _Ym9va_subnavBarLink_UFnPC defa…" href="/amz-books/store?ref=books_sba_usf_ew_t2" data-mix-operations="clickLinkSubNavBar"> type:node] score:0.003871 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:325 height:22 left:15 right:96 top:303 width:81] lhId:page-24-IMG nodeLabel:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 path:1,HTML,4,BODY,0,DIV,33,HEADER,3,DIV,0,DIV,4,DIV,1,DIV,0,DIV,0,A,0,IMG selector:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 snippet:<img alt="" src="https://m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLo…" class="_Ym9va_imageItem_1m_c7"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:419 height:37 left:0 right:412 top:382 width:412] lhId:page-6-UL nodeLabel:div#carousel-container > ul#carousel-list path:1,HTML,4,BODY,0,DIV,42,DIV,11,DIV,0,DIV,3,DIV,0,DIV,1,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,0,DIV,1,DIV,0,BDS-CAROUSEL,a,#document-fragment,1,DIV,1,UL selector:div#carousel-container > ul#carousel-list snippet:<ul id="carousel-list" role="list" style="gap: 8px; padding-left: 16px; padding-right: 16px; margin-left: -16px;" class=" " aria-label=""> type:node] score:0.000874] map[node:map[boundingRect:map[bottom:1227 height:306 left:0 right:412 top:921 width:412] lhId:page-12-UL nodeLabel:Kindle Daily Deals - today only path:1,HTML,4,BODY,0,DIV,42,DIV,11,DIV,0,DIV,5,DIV,11,DIV,2,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,a,#document-fragment,1,DIV,1,UL selector:div#carousel-container > ul#carousel-list snippet:<ul id="carousel-list" role="list" style="gap: 12px; padding-left: 16px; padding-right: 16px; margin-left: -16px;" class=" " aria-label="Kindle Daily Deals - today only"> type:node] score:0.000496] map[node:map[boundingRect:map[bottom:749 height:202 left:20 right:133 top:547 width:113] lhId:page-15-PICTURE nodeLabel:Untitled Empyrean (Not Book Four) path:1,HTML,4,BODY,0,DIV,42,DIV,11,DIV,0,DIV,5,DIV,11,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,0,BDS-CAROUSEL-ITEM,0,DIV,0,BDS-UNIFIED-BOOK-FACEOUT,a,#document-fragment,1,DIV,3,A,2,BDS-BOOK-COVER-IMAGE,a,#document-fragment,1,DIV,3,PICTURE selector:div.coverImageWrapper > picture.fixedHeight snippet:<picture class="fixedHeight"> type:node] score:0.000355 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:749 height:202 left:20 right:133 top:547 width:113] lhId:page-25-IMG nodeLabel:Untitled Empyrean (Not Book Four) path:1,HTML,4,BODY,0,DIV,42,DIV,11,DIV,0,DIV,5,DIV,11,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,0,BDS-CAROUSEL-ITEM,0,DIV,0,BDS-UNIFIED-BOOK-FACEOUT,a,#document-fragment,1,DIV,3,A,2,BDS-BOOK-COVER-IMAGE,a,#document-fragment,1,DIV,3,PICTURE,3,IMG selector:div.coverImageWrapper > picture.fixedHeight > img.coverImage snippet:<img style="max-height: 210px; min-height: 105px; height: calc(210px - 2 * var(--bds-s…;" height="210" class="coverImage " alt="Untitled Empyrean (Not Book Four)"> type:node]]] type:subitems]]]
headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.109573] map[node:map[boundingRect:map[bottom:4091 height:3749 left:0 right:412 top:342 width:412] lhId:page-16-DIV nodeLabel:Filter by Results have been updated based on filter selection Buzzworthy books … path:1,HTML,4,BODY,0,DIV,42,DIV selector:body.a-m-us > div#a-page > div#brixlayer-page-content snippet:<div id="brixlayer-page-content"> type:node] score:0.018311 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:325 height:22 left:15 right:96 top:303 width:81] lhId:page-24-IMG nodeLabel:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 path:1,HTML,4,BODY,0,DIV,33,HEADER,3,DIV,0,DIV,4,DIV,1,DIV,0,DIV,0,A,0,IMG selector:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 snippet:<img alt="" src="https://m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLo…" class="_Ym9va_imageItem_1m_c7"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:4091 height:3749 left:0 right:412 top:342 width:412] lhId:page-16-DIV nodeLabel:Filter by Results have been updated based on filter selection Buzzworthy books … path:1,HTML,4,BODY,0,DIV,42,DIV selector:body.a-m-us > div#a-page > div#brixlayer-page-content snippet:<div id="brixlayer-page-content"> type:node] score:0.01817 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:325 height:22 left:15 right:96 top:303 width:81] lhId:page-24-IMG nodeLabel:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 path:1,HTML,4,BODY,0,DIV,33,HEADER,3,DIV,0,DIV,4,DIV,1,DIV,0,DIV,0,A,0,IMG selector:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 snippet:<img alt="" src="https://m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLo…" class="_Ym9va_imageItem_1m_c7"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:4091 height:3749 left:0 right:412 top:342 width:412] lhId:page-16-DIV nodeLabel:Filter by Results have been updated based on filter selection Buzzworthy books … path:1,HTML,4,BODY,0,DIV,42,DIV selector:body.a-m-us > div#a-page > div#brixlayer-page-content snippet:<div id="brixlayer-page-content"> type:node] score:0.017945 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:325 height:22 left:15 right:96 top:303 width:81] lhId:page-24-IMG nodeLabel:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 path:1,HTML,4,BODY,0,DIV,33,HEADER,3,DIV,0,DIV,4,DIV,1,DIV,0,DIV,0,A,0,IMG selector:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 snippet:<img alt="" src="https://m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLo…" class="_Ym9va_imageItem_1m_c7"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:4091 height:3749 left:0 right:412 top:342 width:412] lhId:page-16-DIV nodeLabel:Filter by Results have been updated based on filter selection Buzzworthy books … path:1,HTML,4,BODY,0,DIV,42,DIV selector:body.a-m-us > div#a-page > div#brixlayer-page-content snippet:<div id="brixlayer-page-content"> type:node] score:0.017259 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:325 height:22 left:15 right:96 top:303 width:81] lhId:page-24-IMG nodeLabel:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 path:1,HTML,4,BODY,0,DIV,33,HEADER,3,DIV,0,DIV,4,DIV,1,DIV,0,DIV,0,A,0,IMG selector:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 snippet:<img alt="" src="https://m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLo…" class="_Ym9va_imageItem_1m_c7"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:4091 height:3749 left:0 right:412 top:342 width:412] lhId:page-16-DIV nodeLabel:Filter by Results have been updated based on filter selection Buzzworthy books … path:1,HTML,4,BODY,0,DIV,42,DIV selector:body.a-m-us > div#a-page > div#brixlayer-page-content snippet:<div id="brixlayer-page-content"> type:node] score:0.012525 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:325 height:22 left:15 right:96 top:303 width:81] lhId:page-24-IMG nodeLabel:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 path:1,HTML,4,BODY,0,DIV,33,HEADER,3,DIV,0,DIV,4,DIV,1,DIV,0,DIV,0,A,0,IMG selector:div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 snippet:<img alt="" src="https://m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLo…" class="_Ym9va_imageItem_1m_c7"> type:node]]] type:subitems]]]

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLEst Savings
m.media-amazon.com/images/S/sash/lZemoC3awOEEzLR.woff295 ms
m.media-amazon.com/images/S/sash/NvWNxKhmDbgI1lq.woff295 ms
m.media-amazon.com/images/S/sash/KwhNPG8Jz-Vz2X7.woff290 ms
m.media-amazon.com/images/S/sash/1Ep1kWVX5g73xrY.woff290 ms
m.media-amazon.com/images/S/sash/ozb5-CLHQWI6Soc.woff265 ms
m.media-amazon.com/images/I/61Gu5MYhFyL.ttf55 ms
m.media-amazon.com/images/S/sash/WOnTLzkiaEccV7F.woff255 ms
m.media-amazon.com/images/S/sash/2SazJx$EeTHfhMN.woff255 ms
m.media-amazon.com/images/S/sash/Wdqa3S7nfGc3Naj.woff255 ms
m.media-amazon.com/images/S/sash/Dv1WQ5DdeMS5qP7.woff250 ms
m.media-amazon.com/images/S/sash/gyrV-mLs7VcgiFC.woff250 ms
m.media-amazon.com/images/S/sash/8AuIu4whVB5EMoJ.woff250 ms
m.media-amazon.com/images/S/sash/MexTn601PAhMvAn.woff250 ms
m.media-amazon.com/images/S/sash/rlTCFdyUZFR9mQI.woff250 ms
m.media-amazon.com/images/S/sash/ukoYNzKrqDRxhTq.woff250 ms
m.media-amazon.com/images/S/sash/1yLvxs7jafx7AW$.woff250 ms
m.media-amazon.com/images/S/sash/VjTR4RqBzY0mUYx.woff240 ms
m.media-amazon.com/images/S/sash/pnZF3$c0rgepEUt.woff230 ms
m.media-amazon.com/images/S/sash/-w6hwcDxlefrOYI.woff230 ms
m.media-amazon.com/images/S/sash/KFPk-9IF4FqAqY-.woff225 ms
m.media-amazon.com/images/S/sash/pDxWAF1pBB0dzGB.woff220 ms
m.media-amazon.com/images/I/616IPb5jvvL.ttf15 ms
m.media-amazon.com/images/I/61m0rIzJkqL.ttf15 ms

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:2213.983 label:Time to first byte subpart:timeToFirstByte] map[duration:681.844 label:Resource load delay subpart:resourceLoadDelay] map[duration:43.246 label:Resource load duration subpart:resourceLoadDuration] map[duration:243.581 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-IMG
nodeLabel: Theo of Golden: A Novel
path: 1,HTML,4,BODY,0,DIV,42,DIV,11,DIV,0,DIV,5,DIV,11,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,1,BDS-CAROUSEL-ITEM,0,DIV,0,BDS-UNIFIED-BOOK-FACEOUT,a,#document-fragment,1,DIV,3,A,2,BDS-BOOK-COVER-IMAGE,a,#document-fragment,1,DIV,3,PICTURE,3,IMG
selector: div.coverImageWrapper > picture.fixedHeight > img.coverImage
snippet: <img style="max-height: 210px; min-height: 105px;" height="210" class="coverImage " alt="Theo of Golden: A Novel">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-IMG
nodeLabel: Theo of Golden: A Novel
path: 1,HTML,4,BODY,0,DIV,42,DIV,11,DIV,0,DIV,5,DIV,11,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,1,BDS-CAROUSEL-ITEM,0,DIV,0,BDS-UNIFIED-BOOK-FACEOUT,a,#document-fragment,1,DIV,3,A,2,BDS-BOOK-COVER-IMAGE,a,#document-fragment,1,DIV,3,PICTURE,3,IMG
selector: div.coverImageWrapper > picture.fixedHeight > img.coverImage
snippet: <img style="max-height: 210px; min-height: 105px;" height="210" class="coverImage " alt="Theo of Golden: A Novel">

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
value: No additional origins are good candidates for preconnecting

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer SizeDuration
/images/I/11i1DYEiaoL._RC|01GaLSH4siL.css,51fMLkDdAPL.css...36.8 KiB301 ms
/images/I/51G19spDCAL._RC|41w5Jrt7mLL.css,01FcI3FsaiL.css...10.1 KiB150 ms
/images/I/51AuMXFXGYL._RC|51waPb-h-9L.css,51IpuNHA9ZL.css...12.6 KiB
/images/I/01+72+wCC9L.css?AUIClients/GlowToasterAssets1.2 KiB
/images/I/41Q63wvCUzL.css?AUIClients/InternationalCustome...4.9 KiB
/images/I/21SmWNnUNnL._RC|51flkNeC2kL.css_.css?AUIClients...8.7 KiB768 ms

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2025/Freida_...29979.0 s7.3 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q3_2025/Kristi_...29979.0 s7.1 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2025/Jen_Wil...29765.0 s6.2 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/KidsLogo.svg86400.0 s6.7 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/PrLogo.svg86400.0 s5.0 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2026/James_P...29950.0 s3.1 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/ComixologyLogo.svg86400.0 s4.3 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2026/Game_Ch...29950.0 s2.9 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2026/Sarah_J...29950.0 s2.7 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2026/Elin_Hi...29765.0 s2.6 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/KULogo.svg86400.0 s3.1 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLogo.svg86400.0 s2.2 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/AudibleLogo.svg86400.0 s2.1 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/close.svg86400.0 s1.3 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/back-btn.svg86400.0 s1.2 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/external_link.svg86400.0 s1.1 KiB
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/selected-light.svg86400.0 s1.1 KiB
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/starEmptySmall.svg86400.0 s1.0 KiB
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/starHalfSmall.svg86400.0 s993 B
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/chevron-right.svg86400.0 s977 B
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/starFullSmall.svg86400.0 s948 B
m.media-amazon.com/images/G/01/books-voyager/subnav/chevron_right.png86400.0 s887 B
m.media-amazon.com/images/G/01/books-voyager/subnav/ArrowIcon.svg86400.0 s853 B
m.media-amazon.com/images/G/01/books-voyager/subnav/DropDown.svg86400.0 s845 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms148 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms148 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms148 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms148 B
/1/batch/1/OP/ATVPDKIKX0DER:132-6024377-1611412:THRCEEKH4...0.0 ms148 B
/rd/uedata?rid=THRCEEKH42NR8HZYRSM3&sid=132-6024377-16114...0.0 ms71 B
/rd/uedata?rid=THRCEEKH42NR8HZYRSM3&sid=132-6024377-16114...0.0 ms71 B

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
div.icp-container-mobile > div#icp-touch-link-language > a.icp-language-link > div.icp-nav-globe-img-2 div.icp-container-mobile > div#icp-touch-link-language > a.icp-language-link > div.icp-nav-globe-img-2
m.media-amazon.com/images/S/sash/MAbi1rCjQI9H2y0.png44.3 KiB35.0 KiB
My Dreadful Darling (Hollow Graves Duet) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51rL6zqdoBL._UY420_FMwebp_.jpg?aicid=books-desi...24.2 KiB5.6 KiB
Rites of the Starling: A Slow-Burn Epic Romantasy (Shield of Sparrows Book 2) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51k1hIr3lGL._UY420_FMwebp_.jpg?aicid=books-desi...24.7 KiB5.6 KiB
London Falling: A Mysterious Death in a Gilded City and a Family's Search for T… div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51oy7hf6odL._UY420_FMwebp_.jpg?aicid=books-desi...23.5 KiB4.6 KiB

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 2.8 s
URLTime Spent
bookdepository.com/1.3 s
amazon.com/books1.5 s
www.amazon.com/books0.0 ms
www.amazon.com/b/ref=usbk_surl_books/?node=2831550.0 ms
www.amazon.com/amz-books/store?ou=psf&ref_=usbk_surl_books0.0 ms

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

ElementLayout shift score
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.018
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.018
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.018
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.017
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.013
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.010
Best sellers in print div#carousel-container > ul#carousel-list
0.007
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.006
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.006
Shop Books div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > div.a-section > a.a-link-normal
0.004
Filter by Results have been updated based on filter selection Buzzworthy books … body.a-m-us > div#a-page > div#brixlayer-page-content
0.003
div#carousel-container > ul#carousel-list div#carousel-container > ul#carousel-list
0.001
Kindle Daily Deals - today only div#carousel-container > ul#carousel-list
0.000
Untitled Empyrean (Not Book Four) div.coverImageWrapper > picture.fixedHeight
0.000

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 150 ms 122.8 KiB
URLTransfer SizeEst Savings
/images/I/11i1DYEiaoL._RC|01GaLSH4siL.css,51fMLkDdAPL.css...53.2 KiB51.9 KiB
m.media-amazon.com/images/I/71vgWNFeerL.css38.7 KiB38.7 KiB
/images/I/51AuMXFXGYL._RC|51waPb-h-9L.css,51IpuNHA9ZL.css...22.1 KiB16.4 KiB
/images/I/51G19spDCAL._RC|41w5Jrt7mLL.css,01FcI3FsaiL.css...15.9 KiB15.8 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 1.4 s 526.1 KiB
URLTransfer SizeEst Savings
m.media-amazon.com/images/I/A1V2CkXb8tL.js302.2 KiB181.6 KiB
m.media-amazon.com/images/I/81tmPvvnEdL.js110.9 KiB110.8 KiB
m.media-amazon.com/images/I/91K0JIEE1LL.js167.6 KiB79.8 KiB
/images/I/11I0WXrZVoL._RC|11Y+5x+kkTL.js,51vYHGMfzIL.js,1...80.6 KiB57.0 KiB
/images/I/01QvReFeJyL._RC|01kC46b9vjL.js,81tZ4+n2afL.js_....55.8 KiB35.5 KiB
m.media-amazon.com/images/I/81kCF8wuZEL.js?AUIClients/FWCIMAssets56.3 KiB35.4 KiB
m.media-amazon.com/images/I/91fVq2f+7aL.js90.8 KiB26.0 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
www.amazon.com/amz-books/store?ou=psf&ref_=usbk_surl_books7.4 s1.2 s108 ms
m.media-amazon.com/images/I/91K0JIEE1LL.js1.3 s984 ms126 ms
Unattributable1.3 s17 ms0.0 ms
m.media-amazon.com/images/I/91fVq2f+7aL.js1.1 s807 ms81 ms
m.media-amazon.com/images/I/A1V2CkXb8tL.js477 ms258 ms217 ms
/images/I/11I0WXrZVoL._RC|11Y+5x+kkTL.js,51vYHGMfzIL.js,1...402 ms287 ms46 ms
/images/I/01+pnQJuQ0L._RC|01JFYUQurFL.js_.js?AUIClients/I...303 ms18 ms0.6 ms
m.media-amazon.com/images/I/61xJcNKKLXL.js?AUIClients/AmazonUIjQuery174 ms108 ms21 ms
m.media-amazon.com/images/I/31yCF4ftzxL.js?AUIClients/GlowToasterAssets154 ms102 ms3.1 ms
/images/I/01QvReFeJyL._RC|01kC46b9vjL.js,81tZ4+n2afL.js_....120 ms85 ms35 ms
/images/I/51jC0T3AfxL._RC|4134jecY+uL.js_.js?AUIClients/N...105 ms84 ms8.7 ms
m.media-amazon.com/images/I/413eRNyQplL.js71 ms36 ms35 ms
m.media-amazon.com/images/I/81kCF8wuZEL.js?AUIClients/FWCIMAssets71 ms36 ms34 ms
m.media-amazon.com/images/I/81tmPvvnEdL.js55 ms1.1 ms53 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation4.1 s
Other3.2 s
Style & Layout2.7 s
Rendering2.2 s
Script Parsing & Compilation805 ms
Parse HTML & CSS233 ms
Garbage Collection84 ms

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
m.media-amazon.com/images/I/A1V2CkXb8tL.js313.6 KiB
m.media-amazon.com/images/I/91K0JIEE1LL.js168.3 KiB
m.media-amazon.com/images/I/81tmPvvnEdL.js111.6 KiB
www.amazon.com/amz-books/store?ou=psf&ref_=usbk_surl_books106.0 KiB
m.media-amazon.com/images/I/91fVq2f+7aL.js94.6 KiB
/images/I/11I0WXrZVoL._RC|11Y+5x+kkTL.js,51vYHGMfzIL.js,1...81.3 KiB
m.media-amazon.com/images/I/81kCF8wuZEL.js?AUIClients/FWCIMAssets57.0 KiB
/images/I/01QvReFeJyL._RC|01kC46b9vjL.js,81tZ4+n2afL.js_....56.5 KiB
m.media-amazon.com/images/I/61m0rIzJkqL.ttf56.0 KiB
m.media-amazon.com/images/I/616IPb5jvvL.ttf53.8 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7
m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLogo.svg
div.a-section > div.a-section > a._Ym9va_buttonIconContainer_28hm5 > img._Ym9va_buttonIconContainerImage_1GwSD div.a-section > div.a-section > a._Ym9va_buttonIconContainer_28hm5 > img._Ym9va_buttonIconContainerImage_1GwSD
m.media-amazon.com/images/G/01/books-voyager/subnav/chevron_right.png
div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7
/images/G/01/x-locale/common/transparent-pixel._V19223467...

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Optimize DOM size
●Forced reflow
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●Avoid long main-thread tasks 20 long tasks found
●Avoid non-composited animations 2 animated elements found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 260 ms
●Server Backend Latencies 270 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 290 ms
○INP breakdown
○User Timing marks and measures
87

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

ARIA

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Search Amazon form#nav-search-form > div.nav-fill > div.nav-search-field > input#nav-search-keywords

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Names and labels

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > div.a-section > a._Ym9va_buttonIconContainer_28hm5 div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > div.a-section > a._Ym9va_buttonIconContainer_28hm5

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Tables and lists

Screen readers require list items (`<li>`) to be contained within a parent `<ul>`, `<ol>` or `<menu>` to be announced properly. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > div.a-section > a._Ym9va_buttonIconContainer_28hm5 div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > div.a-section > a._Ym9va_buttonIconContainer_28hm5
Romance a.bds-link
Children's Books a.bds-link
Mystery, Thriller & Suspense a.bds-link
Science Fiction & Fantasy a.bds-link
Literature & Fiction a.bds-link
History a.bds-link
Biographies & Memoirs a.bds-link
Teen & Young Adult a.bds-link
Business & Money a.bds-link
Self-help a.bds-link
Conditions of Use div#nav-ftr > ul.nav-ftr-horiz > li.nav-li > a.nav-a
Privacy Notice div#nav-ftr > ul.nav-ftr-horiz > li.nav-li > a.nav-a
Consumer Health Data Privacy Disclosure div#nav-ftr > ul.nav-ftr-horiz > li.nav-li > a.nav-a
Your Ads Privacy Choices div#nav-ftr > ul.nav-ftr-horiz > li.nav-li > a.nav-a

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html.a-touch html.a-touch

These items highlight common accessibility best practices.

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
0 div#navbar > div#nav-logobar > div.nav-right > a#nav-button-cart
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
●`[role]`s are contained by their required parent element
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Image elements have `[alt]` attributes
●Input buttons have discernible text.
●Form elements have associated labels
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●ARIA attributes are used as specified for the element's role
●Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
●`[aria-hidden="true"]` elements do not contain focusable descendents
●ARIA `progressbar` elements have accessible names
●Elements use only permitted ARIA attributes
●Elements with the `role=text` attribute do not have focusable descendents.
●Background and foreground colors have a sufficient contrast ratio
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●No element has a `[tabindex]` value greater than 0
●`[lang]` attributes have a valid value
●Heading elements appear in a sequentially-descending order
●Deprecated ARIA roles were not used
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<frame>` or `<iframe>` elements have a title
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○`<input type="image">` elements have `[alt]` text
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
73

Best Practices

User Experience

Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLDisplayed sizeActual sizeExpected size
div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7 div#CardInstanceOP8YWZfUY2V6daQsjeUg6w > div.a-section > a.a-link-normal > img._Ym9va_imageItem_1m_c7
/images/G/01/x-locale/common/transparent-pixel._V19223467...22 x 221 x 133 x 33
div.a-section > div.a-section > a._Ym9va_buttonIconContainer_28hm5 > img._Ym9va_buttonIconContainerImage_1GwSD div.a-section > div.a-section > a._Ym9va_buttonIconContainer_28hm5 > img._Ym9va_buttonIconContainerImage_1GwSD
m.media-amazon.com/images/G/01/books-voyager/subnav/chevron_right.png16 x 1616 x 1624 x 24

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
SharedStorage
www.amazon.com/amz-books/store?ou=psf&ref_=usbk_surl_books line 2204, col 2048

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
www.amazon.com/tt/i
Failed to load resource: net::ERR_TRUST_TOKEN_OPERATION_FAILED
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Ensure proper origin isolation with COOP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Use a strong HSTS policy
○Mitigate clickjacking with XFO or CSP
75

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
/amz-books/seeMore/?_encoding=UTF8&pd_rd_w=3ALaw&content-...See more
/amz-books/seeMore/?_encoding=UTF8&pd_rd_w=X088d&content-...See more
/amz-books/seeMore/?_encoding=UTF8&pd_rd_w=FqWu1&content-...See more
/amz-books/seeMore/?_encoding=UTF8&pd_rd_w=1KgmX&content-...See more
www.amazon.com/firstreads/ref=apubna_fr_na_10002_im_si_at_usfSee more
www.amazon.com/b?node=17143709011See more

Format your HTML in a way that enables crawlers to better understand your app’s content.

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
body.a-m-us > div#hmenu-container > div#hmenu-canvas > a#hmenu-back-to-top body.a-m-us > div#hmenu-container > div#hmenu-canvas > a#hmenu-back-to-top

To appear in search results, crawlers need access to your app.

○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Page has successful HTTP status code
●robots.txt is valid
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

37
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
80
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
83
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

2.54 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

3.19 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

160 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.945

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

3.90 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

4.23 s

Detailed Report

Audit breakdown by category with detailed findings.

37

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.9451189999999999] map[node:map[boundingRect:map[bottom:3836 height:3635 left:0 right:1350 top:201 width:1350] lhId:page-25-DIV nodeLabel:Buzzworthy books New and noteworthy Expand your horizons Discover fresh and cur… path:1,HTML,4,BODY,0,DIV,45,DIV,12,DIV,0,DIV,5,DIV selector:div#brixlayer-page-content > div.a-section > div.a-section > div.a-section snippet:<div data-brix-element-id="filterableZonePercolate" data-csa-c-content-id="filterableZonePercolate" data-csa-c-slot-id="root.filterableZonePercolate" data-csa-c-type="slot" class="a-section a-spacing-none" data-csa-c-id="w30s3s-c83lix-lqyqfo-pu7xq2"> type:node] score:0.852128] map[node:map[boundingRect:map[bottom:1107 height:440 left:16 right:1334 top:667 width:1318] lhId:page-29-DIV nodeLabel:Loading path:1,HTML,4,BODY,0,DIV,45,DIV,12,DIV,0,DIV,5,DIV,11,DIV,2,DIV selector:div.a-section > div.a-section > div.a-section > div.celwidget snippet:<div class="celwidget pd_rd_w-VMn3f content-id-amzn1.sym.e0527c21-1e95-40b3-a63b-b7ff5…" cel_widget_id="books-multiformat-shoveler_desktop-books-storefront_2" data-csa-op-log-render="" data-csa-c-content-id="amzn1.sym.e0527c21-1e95-40b3-a63b-b7ff53bbe8a5" data-csa-c-slot-id="zeitgeist-3" data-csa-c-type="widget" data-csa-c-painter="books-multiformat-shoveler-cards" data-csa-c-id="w135ch-bugiil-49e3vz-lz0vz7" data-cel-widget="books-multiformat-shoveler_desktop-books-storefront_2"> type:node] score:0.066997] map[node:map[boundingRect:map[bottom:667 height:334 left:985 right:1162 top:333 width:177] lhId:page-31-DIV nodeLabel:The Camp of the Saints path:1,HTML,4,BODY,0,DIV,45,DIV,12,DIV,0,DIV,5,DIV,11,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,5,BDS-CAROUSEL-ITEM,0,DIV,0,BDS-UNIFIED-BOOK-FACEOUT,a,#document-fragment,1,DIV selector:div.unified-book-faceout snippet:<div class="unified-book-faceout standardV2 light desktop " style="font-family: var(--bds-font-family-functional-body)" data-csa-c-type="item" data-csa-c-item-type="asin" data-csa-c-item-id="B0FG4MJS8K"> type:node] score:0.01773] map[node:map[boundingRect:map[bottom:60 height:60 left:960 right:1350 top:0 width:390] lhId:page-22-DIV nodeLabel:EN Hello, sign in Account & Lists Returns & Orders 0 Cart path:1,HTML,4,BODY,0,DIV,33,HEADER,0,DIV,0,DIV,2,DIV selector:header#navbar-main > div#navbar > div#nav-belt > div.nav-right snippet:<div class="nav-right"> type:node] score:0.004726] map[node:map[boundingRect:map[bottom:139 height:40 left:613 right:725 top:99 width:112] lhId:page-37-SPAN nodeLabel:Your Books path:1,HTML,4,BODY,0,DIV,33,HEADER,0,DIV,6,DIV,1,DIV,4,DIV,0,DIV,0,DIV,17,SPAN selector:div#CardInstancewj0zkqPPwMGmk5hMvUHUoQ > div.a-section > div.a-section > span#your-books snippet:<span class="a-declarative" data-action="a-popover" data-csa-c-type="widget" data-csa-c-func-deps="aui-da-a-popover" data-a-popover="{&quot;dataStrategy&quot;:&quot;preload&quot;,&quot;name&quot;:&quot;a6yipqec5euk4w2dq8oueqfk&quot;,&quot;closeButton&quot;:…" id="your-books" data-csa-c-id="3f3khh-no9o4h-dl5j3p-onxu3o"> type:node] score:0.003145]]

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLEst Savings
m.media-amazon.com/images/S/sash/rlTCFdyUZFR9mQI.woff245 ms
m.media-amazon.com/images/S/sash/1yLvxs7jafx7AW$.woff245 ms
m.media-amazon.com/images/S/sash/gyrV-mLs7VcgiFC.woff240 ms
m.media-amazon.com/images/S/sash/MexTn601PAhMvAn.woff240 ms
m.media-amazon.com/images/S/sash/ukoYNzKrqDRxhTq.woff240 ms
m.media-amazon.com/images/S/sash/VjTR4RqBzY0mUYx.woff235 ms
m.media-amazon.com/images/S/sash/NvWNxKhmDbgI1lq.woff235 ms
m.media-amazon.com/images/S/sash/1Ep1kWVX5g73xrY.woff235 ms
m.media-amazon.com/images/I/61Gu5MYhFyL.ttf30 ms
m.media-amazon.com/images/S/sash/KwhNPG8Jz-Vz2X7.woff230 ms
m.media-amazon.com/images/S/sash/lZemoC3awOEEzLR.woff230 ms
m.media-amazon.com/images/S/sash/pnZF3$c0rgepEUt.woff230 ms
m.media-amazon.com/images/S/sash/-w6hwcDxlefrOYI.woff230 ms
m.media-amazon.com/images/S/sash/8AuIu4whVB5EMoJ.woff230 ms
m.media-amazon.com/images/I/616IPb5jvvL.ttf25 ms
m.media-amazon.com/images/S/sash/ozb5-CLHQWI6Soc.woff225 ms
m.media-amazon.com/images/S/sash/Wdqa3S7nfGc3Naj.woff225 ms
m.media-amazon.com/images/S/sash/WOnTLzkiaEccV7F.woff220 ms
m.media-amazon.com/images/S/sash/2SazJx$EeTHfhMN.woff220 ms
m.media-amazon.com/images/I/61m0rIzJkqL.ttf10 ms
m.media-amazon.com/images/S/sash/Dv1WQ5DdeMS5qP7.woff210 ms
m.media-amazon.com/images/S/sash/pDxWAF1pBB0dzGB.woff25.0 ms

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:11.772 source:map[column:457 line:6433 type:source-location url:https://m.media-amazon.com/images/I/91fVq2f+7aL.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:14.105 source:map[type:text value:[unattributed]]] map[reflowTime:24.911 source:map[column:2430 line:5190 type:source-location url:https://m.media-amazon.com/images/I/91fVq2f+7aL.js urlProvider:network]] map[reflowTime:16.623 source:map[column:2562 line:5190 type:source-location url:https://m.media-amazon.com/images/I/91fVq2f+7aL.js urlProvider:network]] map[reflowTime:11.772 source:map[column:619 line:6432 type:source-location url:https://m.media-amazon.com/images/I/91fVq2f+7aL.js urlProvider:network]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
United States a.nav-a > span.icp-nav-link-inner > span.nav-line-2 > span.icp-nav-flag
m.media-amazon.com/images/S/sash/MAbi1rCjQI9H2y0.png44.3 KiB35.0 KiB
Murder in the Secret Garden (A Book Retreat Mystery 3) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/61pGIlVLGVL._UY266_FMwebp_.jpg?aicid=books-desi...16.8 KiB9.6 KiB
Frozen by Stardust (Beasts of the Briar Book 5) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51wRh5sj0QL._UY266_FMwebp_.jpg?aicid=books-desi...15.9 KiB8.7 KiB
Taming the Heart (Crimson Ridge Book 3) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/5125FaI4G5L._UY266_FMwebp_.jpg?aicid=books-desi...14.8 KiB7.7 KiB
The Let Them Theory: A Life-Changing Tool That Millions of People Can't Stop Ta… div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51UmNg33hCL._UY266_FMwebp_.jpg?aicid=books-desi...14.5 KiB6.9 KiB
My Dreadful Darling (Hollow Graves Duet Book 1) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/510L+VoUDEL._UY266_FMwebp_.jpg?aicid=books-desi...14.3 KiB6.7 KiB
Dungeon Crawler Carl: Dungeon Crawler Carl Book 1 div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/514McFhKyML._UY266_FMwebp_.jpg?aicid=books-desi...13.5 KiB6.3 KiB
Rites of the Starling: A Slow-Burn Epic Romantasy (Shield of Sparrows Book 2) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51k1hIr3lGL._UY266_FMwebp_.jpg?aicid=books-desi...13.8 KiB6.1 KiB
Marsh Mystics (Miss Fortune Mysteries Book 30) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/518A9JVaNkL._UY266_FMwebp_.jpg?aicid=books-desi...13.4 KiB5.9 KiB
The Vanished Birds: A Novel div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51zfo+ZlYVL._UY266_FMwebp_.jpg?aicid=books-desi...13.5 KiB5.8 KiB
London Falling: A Mysterious Death in a Gilded City and a Family's Search for T… div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/514r+x+PrTL._UY266_FMwebp_.jpg?aicid=books-desi...13.2 KiB5.6 KiB
The Final System div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51nOpXEKVhL._UY266_FMwebp_.jpg?aicid=books-desi...13.1 KiB5.6 KiB
London Falling: A Mysterious Death in a Gilded City and a Family's Search for T… div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51oy7hf6odL._UY266_FMwebp_.jpg?aicid=books-desi...13.1 KiB5.5 KiB
The Camp of the Saints div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/515iYWlQInL._UY266_FMwebp_.jpg?aicid=books-desi...13.2 KiB5.5 KiB
When The Storm Passes: A Thriller div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51Mx6pp252L._UY266_FMwebp_.jpg?aicid=books-desi...12.9 KiB5.5 KiB
The Wrong Catch: A Football Romance (The Wrong Player Series Book 3) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51wNPHPuz6L._UY266_FMwebp_.jpg?aicid=books-desi...13.0 KiB5.4 KiB
Betrayal Road (Torpedo Ink Book 9) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51j+cFLRbCL._UY266_FMwebp_.jpg?aicid=books-desi...11.8 KiB4.7 KiB
UNTAMED: A Dark Mafia Cowboy Romance (Beneath The Reign Book 1) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51zPheQ0nKL._UY266_FMwebp_.jpg?aicid=books-desi...12.1 KiB4.6 KiB
Unexpected (A Silver Creek Romance Book 1) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51GDldqgolL._UY266_FMwebp_.jpg?aicid=books-desi...11.6 KiB4.5 KiB
The Jesus Discoveries: 10 Historic Finds That Bring Us Face-to-Face with Jesus div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/518VSTsV4WL._UY266_FMwebp_.jpg?aicid=books-desi...11.8 KiB4.3 KiB
The Price of Honey (Deadly Ambition collection) div.coverImageWrapper > picture.fixedHeight > img.coverImage
/images/I/51SPXc1l5AL._UY266_FMwebp_.jpg?aicid=books-desi...11.7 KiB4.0 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:2215.894 label:Time to first byte subpart:timeToFirstByte] map[duration:1106.099 label:Resource load delay subpart:resourceLoadDelay] map[duration:78.703 label:Resource load duration subpart:resourceLoadDuration] map[duration:287.089 label:Element render delay subpart:elementRenderDelay]]
lhId: page-21-IMG
nodeLabel: Purple State: A Small-Town Romcom Debut Novel from the Bestselling Author and F…
path: 1,HTML,4,BODY,0,DIV,45,DIV,12,DIV,0,DIV,5,DIV,11,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,2,BDS-CAROUSEL-ITEM,0,DIV,0,BDS-UNIFIED-BOOK-FACEOUT,a,#document-fragment,1,DIV,3,A,2,BDS-BOOK-COVER-IMAGE,a,#document-fragment,1,DIV,3,PICTURE,3,IMG
selector: div.coverImageWrapper > picture.fixedHeight > img.coverImage
snippet: <img style="max-height: 266px; min-height: 133px;" height="266" class="coverImage " alt="Purple State: A Small-Town Romcom Debut Novel from the Bestselling Author …">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-21-IMG
nodeLabel: Purple State: A Small-Town Romcom Debut Novel from the Bestselling Author and F…
path: 1,HTML,4,BODY,0,DIV,45,DIV,12,DIV,0,DIV,5,DIV,11,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,BDS-RENDER-CONTEXT-PROVIDER,1,BDS-CAROUSEL,2,BDS-CAROUSEL-ITEM,0,DIV,0,BDS-UNIFIED-BOOK-FACEOUT,a,#document-fragment,1,DIV,3,A,2,BDS-BOOK-COVER-IMAGE,a,#document-fragment,1,DIV,3,PICTURE,3,IMG
selector: div.coverImageWrapper > picture.fixedHeight > img.coverImage
snippet: <img style="max-height: 266px; min-height: 133px;" height="266" class="coverImage " alt="Purple State: A Small-Town Romcom Debut Novel from the Bestselling Author …">

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
value: No additional origins are good candidates for preconnecting

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer SizeDuration
/images/I/51waPb-h-9L._RC|71-kuAf1e-L.css,41WcY5PbsbL.css...57.0 KiB82 ms
/images/I/11WsGYSItxL._RC|01DE6WSvLKL.css,41ixaNR85ML.css...28.3 KiB
/images/I/21skJF47J6L._RC|51Y8Xg9itbL.css_.css?AUIClients...6.8 KiB222 ms

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2025/Freida_...86400.0 s7.5 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q3_2025/Kristi_...86400.0 s7.3 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/Desktop_Kids_Logo.svg86400.0 s6.5 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2025/Jen_Wil...86400.0 s6.4 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/Desktop_PRR_Logo.svg86400.0 s4.7 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/Desktop_Comixology_Logo.svg86400.0 s4.0 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2026/James_P...86400.0 s3.3 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2026/Game_Ch...86400.0 s3.1 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2026/Sarah_J...86400.0 s2.9 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/KULogo.svg86400.0 s2.8 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/Desktop_KU_Logo.svg86400.0 s2.8 KiB
/images/G/01//US-hq/2020/img/Books/CatFav/Q2_2026/Elin_Hi...86400.0 s2.8 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLogo.svg86400.0 s1.9 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/Desktop_Audible_Logo.svg86400.0 s1.8 KiB
m.media-amazon.com/images/G/01/books-voyager/subnav/external_link.svg86400.0 s800 B
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/selected-light.svg86400.0 s793 B
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/starEmptySmall.svg86400.0 s705 B
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/starHalfSmall.svg86400.0 s669 B
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/chevron-left.svg86400.0 s650 B
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/chevron-right.svg86400.0 s649 B
m.media-amazon.com/images/G/01/Books/BooksDesignSystem/icons/starFullSmall.svg86400.0 s615 B
m.media-amazon.com/images/G/01/books-voyager/subnav/Collapsed.svg86400.0 s583 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms150 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms149 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms148 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms148 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms148 B
/1/batch/1/OP/ATVPDKIKX0DER:131-7075972-9919122:C7G1EQZ6Z...0.0 ms148 B
/rd/uedata?rid=C7G1EQZ6ZJS58TY3M496&sid=131-7075972-99191...0.0 ms71 B
/rd/uedata?rid=C7G1EQZ6ZJS58TY3M496&sid=131-7075972-99191...0.0 ms71 B

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.6 s
URLTime Spent
bookdepository.com/700 ms
amazon.com/books919 ms
www.amazon.com/books0.0 ms
www.amazon.com/b/ref=usbk_surl_books/?node=2831550.0 ms
www.amazon.com/amz-books/store?ou=psf&ref_=usbk_surl_books0.0 ms

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

ElementLayout shift score
Buzzworthy books New and noteworthy Expand your horizons Discover fresh and cur… div#brixlayer-page-content > div.a-section > div.a-section > div.a-section
0.852
Loading div.a-section > div.a-section > div.a-section > div.celwidget
0.067
The Camp of the Saints div.unified-book-faceout
0.018
EN Hello, sign in Account & Lists Returns & Orders 0 Cart header#navbar-main > div#navbar > div#nav-belt > div.nav-right
0.005
Your Books div#CardInstancewj0zkqPPwMGmk5hMvUHUoQ > div.a-section > div.a-section > span#your-books
0.003
Categories div#CardInstancewj0zkqPPwMGmk5hMvUHUoQ > div.a-section > div.a-section > span#categories
0.000
Untitled Empyrean (Not Book Four) div.coverImageWrapper > picture.fixedHeight
0.000

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 140 ms 536.6 KiB
URLTransfer SizeEst Savings
m.media-amazon.com/images/I/A1V2CkXb8tL.js302.2 KiB181.6 KiB
m.media-amazon.com/images/I/81tmPvvnEdL.js88.7 KiB88.5 KiB
m.media-amazon.com/images/I/91K0JIEE1LL.js167.6 KiB79.7 KiB
/images/I/51jC0T3AfxL._RC|71UfmdDxASL.js,416IQz5llzL.js,0...124.0 KiB77.4 KiB
/images/I/11I0WXrZVoL._RC|11Y+5x+kkTL.js,51vYHGMfzIL.js,1...68.7 KiB48.2 KiB
m.media-amazon.com/images/I/81kCF8wuZEL.js?AUIClients/FWCIMAssets56.3 KiB35.4 KiB
m.media-amazon.com/images/I/91fVq2f+7aL.js90.8 KiB25.7 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
www.amazon.com/amz-books/store?ou=psf&ref_=usbk_surl_books1.7 s274 ms33 ms
m.media-amazon.com/images/I/91fVq2f+7aL.js518 ms391 ms21 ms
m.media-amazon.com/images/I/91K0JIEE1LL.js463 ms353 ms31 ms
Unattributable327 ms6.5 ms0.0 ms
/images/I/51jC0T3AfxL._RC|71UfmdDxASL.js,416IQz5llzL.js,0...271 ms148 ms20 ms
m.media-amazon.com/images/I/A1V2CkXb8tL.js115 ms60 ms54 ms
/images/I/11I0WXrZVoL._RC|11Y+5x+kkTL.js,51vYHGMfzIL.js,1...81 ms43 ms9.5 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation1.3 s
Other879 ms
Style & Layout569 ms
Rendering509 ms
Script Parsing & Compilation208 ms
Parse HTML & CSS77 ms
Garbage Collection26 ms

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 20 ms 178.2 KiB
URLTransfer SizeEst Savings
/images/I/51waPb-h-9L._RC|71-kuAf1e-L.css,41WcY5PbsbL.css...104.4 KiB94.8 KiB
/images/I/11WsGYSItxL._RC|01DE6WSvLKL.css,41ixaNR85ML.css...50.8 KiB49.3 KiB
m.media-amazon.com/images/I/71vgWNFeerL.css34.1 KiB34.1 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
m.media-amazon.com/images/I/A1V2CkXb8tL.js313.3 KiB
m.media-amazon.com/images/I/91K0JIEE1LL.js167.9 KiB
www.amazon.com/amz-books/store?ou=psf&ref_=usbk_surl_books131.7 KiB
/images/I/51jC0T3AfxL._RC|71UfmdDxASL.js,416IQz5llzL.js,0...125.1 KiB
m.media-amazon.com/images/I/91fVq2f+7aL.js94.3 KiB
m.media-amazon.com/images/I/81tmPvvnEdL.js89.0 KiB
/images/I/11I0WXrZVoL._RC|11Y+5x+kkTL.js,51vYHGMfzIL.js,1...69.0 KiB
/images/I/51waPb-h-9L._RC|71-kuAf1e-L.css,41WcY5PbsbL.css...57.0 KiB
m.media-amazon.com/images/I/81kCF8wuZEL.js?AUIClients/FWCIMAssets56.6 KiB
m.media-amazon.com/images/I/61m0rIzJkqL.ttf46.1 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
Books div.a-section > div.a-section > a.a-link-normal > img._Ym9va_imageItem_17Tdi
m.media-amazon.com/images/G/01/books-voyager/subnav/Subnav_BooksLogo.svg

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Optimize DOM size
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●Avoid long main-thread tasks 5 long tasks found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 240 ms
●Server Backend Latencies 470 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 300 ms
○INP breakdown
○User Timing marks and measures
○Avoid non-composited animations
80

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

ARIA

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Search Amazon form#nav-search-bar-form > div.nav-fill > div.nav-search-field > input#twotabsearchtextbox

ARIA dialog elements without accessible names may prevent screen readers users from discerning the purpose of these elements. Learn how to make ARIA dialog elements more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#a-page > header#navbar-main > div#navbar > div#nav-flyout-ewc div#a-page > header#navbar-main > div#navbar > div#nav-flyout-ewc

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Get to Know Us div.navFooterVerticalColumn > div.navFooterVerticalRow > div.navFooterLinkCol > div.navFooterColHead

These are opportunities to improve keyboard navigation in your application.

Contrast

Low-contrast text is difficult or impossible for many users to read. Link text that is discernible improves the experience for users with low vision. Learn how to make links distinguishable.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Start here. div.nav-signin-tt > div#nav-signin-tooltip > div.nav-signin-tooltip-footer > a.nav-a

These are opportunities to improve the legibility of your content.

Tables and lists

Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Today's Deals Gift Cards Sell Registry Prime Video Customer Service Disability … div.nav-fill > div#nav-xshop-container > div#nav-xshop > ul.nav-ul

Screen readers require list items (`<li>`) to be contained within a parent `<ul>`, `<ol>` or `<menu>` to be announced properly. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item
li.carousel-item li.carousel-item

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Expand to Change Language or Country div.nav-right > div#nav-tools > div#icp-nav-flyout > button.nav-flyout-button
Expand Account and Lists div.nav-right > div#nav-tools > div#nav-link-accountList > button.nav-flyout-button
4.7 79,460 div.starRating > a.starRatingLink
3.9 8 div.starRating > a.starRatingLink
4.7 221,343 div.starRating > a.starRatingLink
4.8 105 div.starRating > a.starRatingLink
4.8 259 div.starRating > a.starRatingLink
4.8 13 div.starRating > a.starRatingLink
4.0 184 div.starRating > a.starRatingLink
4.6 95,089 div.starRating > a.starRatingLink
4.6 41,839 div.starRating > a.starRatingLink
4.4 617 div.starRating > a.starRatingLink
4.2 5,433 div.starRating > a.starRatingLink
4.4 1,308 div.starRating > a.starRatingLink
4.2 7,712 div.starRating > a.starRatingLink
4.2 9,002 div.starRating > a.starRatingLink
4.7 4,371 div.starRating > a.starRatingLink
4.6 2,032 div.starRating > a.starRatingLink
4.4 674 div.starRating > a.starRatingLink
4.9 2,692 div.starRating > a.starRatingLink
4.7 1,613 div.starRating > a.starRatingLink
4.8 1,028 div.starRating > a.starRatingLink
4.4 48,464 div.starRating > a.starRatingLink
3.4 1,895 div.starRating > a.starRatingLink
4.9 26 div.starRating > a.starRatingLink
4.2 125,931 div.starRating > a.starRatingLink
4.7 65,111 div.starRating > a.starRatingLink
5.0 20 div.starRating > a.starRatingLink
3.7 14,963 div.starRating > a.starRatingLink
4.5 46,069 div.starRating > a.starRatingLink
4.6 13,114 div.starRating > a.starRatingLink
4.4 285 div.starRating > a.starRatingLink
4.6 594 div.starRating > a.starRatingLink
4.8 180 div.starRating > a.starRatingLink
4.7 106 div.starRating > a.starRatingLink
4.6 402 div.starRating > a.starRatingLink
4.1 1,215 div.starRating > a.starRatingLink
4.8 158 div.starRating > a.starRatingLink
4.9 41 div.starRating > a.starRatingLink
4.4 230 div.starRating > a.starRatingLink
4.6 394 div.starRating > a.starRatingLink
4.4 17 div.starRating > a.starRatingLink
5.0 2 div.starRating > a.starRatingLink
5.0 8 div.starRating > a.starRatingLink
4.4 230 div.starRating > a.starRatingLink
4.7 24 div.starRating > a.starRatingLink
4.5 306 div.starRating > a.starRatingLink
5.0 1 div.starRating > a.starRatingLink
4.8 18 div.starRating > a.starRatingLink
4.7 24 div.starRating > a.starRatingLink
4.0 184 div.starRating > a.starRatingLink
4.3 35 div.starRating > a.starRatingLink
5.0 1 div.starRating > a.starRatingLink
4.2 11 div.starRating > a.starRatingLink
4.4 26 div.starRating > a.starRatingLink
4.6 8,631 div.starRating > a.starRatingLink
3.8 47 div.starRating > a.starRatingLink
4.6 622 div.starRating > a.starRatingLink
4.6 394 div.starRating > a.starRatingLink
4.6 402 div.starRating > a.starRatingLink
3.9 150 div.starRating > a.starRatingLink
4.0 157 div.starRating > a.starRatingLink
2.7 106 div.starRating > a.starRatingLink
4.1 68 div.starRating > a.starRatingLink
4.1 1,215 div.starRating > a.starRatingLink
4.4 50 div.starRating > a.starRatingLink
4.1 90 div.starRating > a.starRatingLink
4.6 42 div.starRating > a.starRatingLink

These items highlight common accessibility best practices.

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
EN div.nav-right > div#nav-tools > div#icp-nav-flyout > a.nav-a
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Image elements have `[alt]` attributes
●Input buttons have discernible text.
●Form elements have associated labels
●Select elements have associated label elements.
●ARIA attributes are used as specified for the element's role
●`[aria-hidden="true"]` elements do not contain focusable descendents
●ARIA `progressbar` elements have accessible names
●Elements use only permitted ARIA attributes
●Background and foreground colors have a sufficient contrast ratio
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links have a discernible name
●No element has a `[tabindex]` value greater than 0
●`[lang]` attributes have a valid value
●Skip links are focusable.
●Document has a main landmark.
●Deprecated ARIA roles were not used
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○`[role]`s are contained by their required parent element
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<frame>` or `<iframe>` elements have a title
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○`<input type="image">` elements have `[alt]` text
○The document does not use `<meta http-equiv="refresh">`
○`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
○`<object>` elements have alternate text
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
77

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
SharedStorage
www.amazon.com/amz-books/store?ou=psf&ref_=usbk_surl_books line 3420, col 2048

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
www.amazon.com/tt/i
Failed to load resource: net::ERR_TRUST_TOKEN_OPERATION_FAILED
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Ensure proper origin isolation with COOP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Use a strong HSTS policy
○Mitigate clickjacking with XFO or CSP
83

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
/amz-books/seeMore/?_encoding=UTF8&pd_rd_w=yyUho&content-...See more
/amz-books/seeMore/?_encoding=UTF8&pd_rd_w=KtXme&content-...See more
/amz-books/seeMore/?_encoding=UTF8&pd_rd_w=uznKc&content-...See more
/amz-books/seeMore/?_encoding=UTF8&pd_rd_w=NL2Z9&content-...See more
www.amazon.com/b?node=17143709011See more
www.amazon.com/firstreads/ref=apubna_fr_na_10002_im_si_at_usfSee more

Format your HTML in a way that enables crawlers to better understand your app’s content.

○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Page has successful HTTP status code
●Links are crawlable
●robots.txt is valid
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

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