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Lighthouse Mobile

· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.
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Detailed Report

Audit breakdown by category with detailed findings.

35

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

Performance issues directly impact user engagement and conversion rates.

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:0.119227] map[node:map[boundingRect:map[bottom:696 height:137 left:16 right:396 top:559 width:380] lhId:page-1-DIV nodeLabel:INTERVIEW Making Each One a Little Bit Special BY ADRIAN MATEJKA APRIL 20, 20… path:1,HTML,1,BODY,0,DIV,3,DIV,3,DIV,4,DIV,1,MAIN,1,DIV,1,SECTION,0,DIV,3,DIV,3,DIV,1,DIV,0,ARTICLE,3,DIV selector:div.grid > div.col-span-full > article.flex > div.flex snippet:<div class="flex grow flex-col"> type:node] score:0.052146 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:2542 height:61 left:16 right:396 top:2481 width:380] lhId:page-7-IMG nodeLabel:PF Website Horizonta 4 path:1,HTML,1,BODY,0,DIV,3,DIV,3,DIV,4,DIV,1,MAIN,1,DIV,3,SECTION,0,A,0,PICTURE,0,IMG selector:section > a.flex > picture > img.w-full snippet:<img src="https://cdn-test.poetryfoundation.org/cdn-cgi/image/w=1146,q=80/content/im…" onerror="this.setAttribute('data-error', 1)" alt="PF Website Horizonta 4" loading="lazy" data-nuxt-img="" class="w-full" sizes="(max-width: 640px) 640px, (max-width: 768px) 735px, (max-width: 1024px) 99…" srcset="https://cdn-test.poetryfoundation.org/cdn-cgi/image/w=640,q=80/content/ima…"> type:node]] map[cause:Web font extra:map[type:url value:https://www.poetryfoundation.org/fonts/Gibson-Regular.woff2]] map[cause:Web font extra:map[type:url value:https://www.poetryfoundation.org/fonts/agaramondpro-italic-webfont.woff2]] map[cause:Web font extra:map[type:url value:https://www.poetryfoundation.org/fonts/agaramondpro-regular-webfont.woff2]] map[cause:Web font extra:map[type:url value:https://www.poetryfoundation.org/fonts/Gibson-SemiBold.woff2]] map[cause:Web font extra:map[type:url value:https://www.poetryfoundation.org/fonts/Gibson-Bold.woff2]] map[cause:Web font extra:map[type:url value:https://www.poetryfoundation.org/fonts/Gibson-SemiBoldItalic.woff2]] map[cause:Web font extra:map[type:url value:https://www.poetryfoundation.org/fonts/Gibson-LightItalic.woff2]] map[cause:Web font extra:map[type:url value:https://www.poetryfoundation.org/fonts/agaramondpro-bold-webfont.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:696 height:137 left:16 right:396 top:559 width:380] lhId:page-1-DIV nodeLabel:INTERVIEW Making Each One a Little Bit Special BY ADRIAN MATEJKA APRIL 20, 20… path:1,HTML,1,BODY,0,DIV,3,DIV,3,DIV,4,DIV,1,MAIN,1,DIV,1,SECTION,0,DIV,3,DIV,3,DIV,1,DIV,0,ARTICLE,3,DIV selector:div.grid > div.col-span-full > article.flex > div.flex snippet:<div class="flex grow flex-col"> type:node] score:0.045538 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:2542 height:61 left:16 right:396 top:2481 width:380] lhId:page-7-IMG nodeLabel:PF Website Horizonta 4 path:1,HTML,1,BODY,0,DIV,3,DIV,3,DIV,4,DIV,1,MAIN,1,DIV,3,SECTION,0,A,0,PICTURE,0,IMG selector:section > a.flex > picture > img.w-full snippet:<img src="https://cdn-test.poetryfoundation.org/cdn-cgi/image/w=1146,q=80/content/im…" onerror="this.setAttribute('data-error', 1)" alt="PF Website Horizonta 4" loading="lazy" data-nuxt-img="" class="w-full" sizes="(max-width: 640px) 640px, (max-width: 768px) 735px, (max-width: 1024px) 99…" srcset="https://cdn-test.poetryfoundation.org/cdn-cgi/image/w=640,q=80/content/ima…"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:5622 height:5383 left:0 right:412 top:239 width:412] lhId:page-6-DIV nodeLabel:EDITORS’ PICKS LATEST OPPORTUNITIES ARAB AMERICAN HERITAGE MONTH INTERVIEW … path:1,HTML,1,BODY,0,DIV,3,DIV,3,DIV,4,DIV selector:div#__nuxt > div.ais-InstantSearch > div.flex > div#mainContent snippet:<div id="mainContent" role="main" class="flex-1 print:pt-12" data-dl_element_location="main"> type:node] score:0.021543 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:2542 height:61 left:16 right:396 top:2481 width:380] lhId:page-7-IMG nodeLabel:PF Website Horizonta 4 path:1,HTML,1,BODY,0,DIV,3,DIV,3,DIV,4,DIV,1,MAIN,1,DIV,3,SECTION,0,A,0,PICTURE,0,IMG selector:section > a.flex > picture > img.w-full snippet:<img src="https://cdn-test.poetryfoundation.org/cdn-cgi/image/w=1146,q=80/content/im…" onerror="this.setAttribute('data-error', 1)" alt="PF Website Horizonta 4" loading="lazy" data-nuxt-img="" class="w-full" sizes="(max-width: 640px) 640px, (max-width: 768px) 735px, (max-width: 1024px) 99…" srcset="https://cdn-test.poetryfoundation.org/cdn-cgi/image/w=640,q=80/content/ima…"> 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.

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:119.293 source:map[type:text value:[unattributed]]]]

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: A photograph of the cover of Jack White's book Collected Lyrics and Selected Wr…
path: 1,HTML,1,BODY,0,DIV,3,DIV,3,DIV,4,DIV,1,MAIN,1,DIV,1,SECTION,0,DIV,3,DIV,3,DIV,1,DIV,0,ARTICLE,1,A,0,IMG
selector: div.col-span-full > article.flex > a.relative > img.size-full
snippet: <img src="https://cdn-test.poetryfoundation.org/cdn-cgi/image/g=0.5512x0.4491,w=1146…" onerror="this.setAttribute('data-error', 1)" width="1940" height="1293" alt="A photograph of the cover of Jack White's book Collected Lyrics and Select…" loading="lazy" data-nuxt-img="" class="size-full object-cover" sizes="(max-width: 640px) 640px, (max-width: 768px) 735px, (max-width: 1024px) 99…" srcset="https://cdn-test.poetryfoundation.org/cdn-cgi/image/g=0.5512x0.4491,w=640,…">

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
value: no origins were preconnected
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

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.

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.

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
Poetry Dec2025 cover RGB div.col-span-full > div.flex > a.group > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/poetry-Dec2025-...458.7 KiB448.1 KiB
Cover of the March 2026 issue of magazine with a light green background and the… div.col-span-full > div.flex > a.group > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/poetry-March202...196.6 KiB190.7 KiB
Poetry Jan Feb2026 cover RGB div.col-span-full > div.flex > a.group > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/poetry-JanFeb20...146.0 KiB141.6 KiB
Bright blue cover for the April 2026 issue of POETRY with the letters for POETR… div.col-span-full > div.flex > a.group > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/poetry-April202...132.5 KiB128.5 KiB
Photo of poet Linda Gregg div.grid > div.relative > div.size-full > img.object-cover
/cdn-cgi/image/w=1146,q=80,fit=cover/content/images/13846...49.3 KiB48.2 KiB
Headshot of Patti Smith div.col-span-full > article.flex > a.relative > img.size-full
/cdn-cgi/image/g=0.3547x0.2339,w=1146,h=764,q=80,fit=cove...38.7 KiB25.7 KiB
A photograph of the cover of Jack White's book Collected Lyrics and Selected Wr… div.col-span-full > article.flex > a.relative > img.size-full
/cdn-cgi/image/g=0.5512x0.4491,w=1146,h=764,q=80,fit=cove...36.2 KiB24.0 KiB
PF Website Horizonta 4 section > a.flex > picture > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/PF-Website-Hori...22.4 KiB14.8 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: 1.1 s

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
INTERVIEW Making Each One a Little Bit Special BY ADRIAN MATEJKA APRIL 20, 20… div.grid > div.col-span-full > article.flex > div.flex
0.052
INTERVIEW Making Each One a Little Bit Special BY ADRIAN MATEJKA APRIL 20, 20… div.grid > div.col-span-full > article.flex > div.flex
0.046
EDITORS’ PICKS LATEST OPPORTUNITIES ARAB AMERICAN HERITAGE MONTH INTERVIEW … div#__nuxt > div.ais-InstantSearch > div.flex > div#mainContent
0.022

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

Performance issues directly impact user engagement and conversion rates.

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.

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 Evaluation2.5 s
Other909 ms
Style & Layout563 ms
Script Parsing & Compilation155 ms
Garbage Collection144 ms
Parse HTML & CSS110 ms
Rendering80 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: 0.0 ms 22.8 KiB
URLTransfer SizeEst Savings
.plyr{z-index:1} …28.4 KiB22.8 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
PF Website Horizonta 4 section > a.flex > picture > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/PF-Website-Hori...
Bright blue cover for the April 2026 issue of POETRY with the letters for POETR… div.col-span-full > div.flex > a.group > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/poetry-April202...
Cover of the March 2026 issue of magazine with a light green background and the… div.col-span-full > div.flex > a.group > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/poetry-March202...
Poetry Jan Feb2026 cover RGB div.col-span-full > div.flex > a.group > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/poetry-JanFeb20...
Poetry Dec2025 cover RGB div.col-span-full > div.flex > a.group > img.w-full
/cdn-cgi/image/w=1146,q=80/content/images/poetry-Dec2025-...
Photo of poet Linda Gregg div.grid > div.relative > div.size-full > img.object-cover
/cdn-cgi/image/w=1146,q=80,fit=cover/content/images/13846...

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

Optimize DOM size
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 5 user timings
Avoid long main-thread tasks 18 long tasks found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 180 ms
Server Backend Latencies 130 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 70 ms
INP breakdown
Avoid non-composited animations
86

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

Focusable descendents within an `[aria-hidden="true"]` element prevent those interactive elements from being available to users of assistive technologies like screen readers. Learn how `aria-hidden` affects focusable elements.

Why this matters

Informational: a Permissions-Policy directive showing feature -> allowed origins.

Source: MDN Permissions-Policy

Failing Elements
POEMS & POETS TOPICS & THEMES FEATURES GRANTS & PROGRAMS ABOUT US Poetry magaz… div.flex > div > div.print:hidden > div#mobile-menu
Search div.flex > div > div.print:hidden > div#mobile-search
Quote: In time I have come to comprehend this: that you believe in the world b… div.relative > div.overflow-hidden > div.flex > div#content-v-0-0-0-0-0-0-0-0-0-0-0-0-0-0-3-0-0-0-0-0-0-0-3-0-0-0-1
Quote: The best life is the life Lived out unmeasured. . Unquote. The best li… div.relative > div.overflow-hidden > div.flex > div#content-v-0-0-0-0-0-0-0-0-0-0-0-0-0-0-3-0-0-0-0-0-0-0-3-0-0-0-2
Quote: I am so alive it gnaws. . Unquote. I am so alive it gnaws. — Nur Turkm… div.relative > div.overflow-hidden > div.flex > div#content-v-0-0-0-0-0-0-0-0-0-0-0-0-0-0-3-0-0-0-0-0-0-0-3-0-0-0-3

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.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
INTERVIEW article.flex > div.flex > div.mb-2 > span.type-iota
POEM SAMPLER article.flex > div.flex > div.mb-2 > span.type-iota
POEM article.relative > div.flex-1 > div.mb-2 > span.type-iota
POEM article.relative > div.flex-1 > div.mb-2 > span.type-iota
POEM article.relative > div.flex-1 > div.mb-2 > span.type-iota
POEM OF THE DAY main.container > div.mb-6 > section.my-4 > h2.type-zeta
Subscribe to Poem of the Day div.col-span-full > a.button-large > span > p
FROM THE CURRENT ISSUE OF section.flex > div.container > div.flex > h2.type-iota
Poetry magazine div.flex > div.flex > span.text-[22px] > p
Poetry div.flex > span.text-[22px] > p > em
Subscribe div.container > a.flex > span.type-lambda > p
POEM div.col-span-full > article.flex > div.mb-2 > span.type-iota
POEM div.col-span-full > article.flex > div.mb-2 > span.type-iota
POEM div.col-span-full > article.flex > div.mb-2 > span.type-iota
POEM div.col-span-full > article.flex > div.mb-2 > span.type-iota
PROSE FROM POETRY MAGAZINE article.flex > div.mb-2 > span.type-iota > p
POETRY div.mb-2 > span.type-iota > p > i
AUDIO div.col-span-full > article.flex > div.mb-2 > span.type-iota
Sign Up footer.container > div.grid > div.col-span-full > button.block

These are opportunities to improve the legibility of your content.

Internationalization and localization

If a page doesn't specify a `lang` attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more about the `lang` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html html

These are opportunities to improve the interpretation of your content by users in different locales.

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.mb-6 > div.grid > div.col-span-12 > a div.mb-6 > div.grid > div.col-span-12 > a

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.

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-*]` attributes match their 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
`[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 use only permitted ARIA attributes
Document has a `<title>` element
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
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
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
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 a valid value for its `[lang]` attribute
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
Form elements have associated labels
Links are distinguishable without relying on color.
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.
`[lang]` attributes have a valid value
`<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.
Elements with visible text labels have matching accessible names.
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
AttributionReporting

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
Hydration completed but contains mismatches.

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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
Use a strong HSTS policy
Ensure proper origin isolation with COOP
Mitigate clickjacking with XFO or CSP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
92

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

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.

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
Document has a meta description
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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