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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.

29

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.

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
cdn-swell-assets.yotpo.com/app.v1.0.368.js0.0 ms192.0 KiB
cdn-widgetsrepository.yotpo.com/v1/loader/2VN_Wx54eEmm7ydGhnEwYQ0.0 ms111.2 KiB
strn.rise-ai.com/?shop=jennikayne-prod.myshopify.com120.0 s54.5 KiB
gkera.jennikayne.com/eat/core0.0 ms50.9 KiB
/apps/proxy/script/shopify/market/nosto.js?merchant=shopi...600.0 s52.8 KiB
connect.nosto.com/include/shopify-56512348333600.0 s49.3 KiB
str.rise-ai.com/?shop=jennikayne-prod.myshopify.com120.0 s31.3 KiB
cdn.searchspring.net/intellisuggest/is.min.js1800.0 s30.8 KiB
d-code.liadm.com/did-004t.min.js86400.0 s52.7 KiB
/v1/loader/SL07maOFcf3dBQcQCVtgs9CRRP9PvEvDUQ80O5Yw?langu...0.0 ms14.6 KiB
/v1/loader/Tj3oaL0ikBv72JR171jMHqxBzybItarmtBU7ymfh0.0 ms14.1 KiB
cmp.osano.com/Pv8SZI3P1N/cf39c77d-abff-4a46-ab67-8ee82f580597/osano-ui.js86400.0 s29.1 KiB
/tag-manager/95e7d3c8-2a20-4020-8d71-5c173a9cbe3c-additio...0.0 ms11.4 KiB
d2hrivdxn8ekm8.cloudfront.net/tracker-latest.min.js3600.0 s14.2 KiB
/tag-manager/95e7d3c8-2a20-4020-8d71-5c173a9cbe3c-latest.js0.0 ms7.2 KiB
/proxy/690cb11a898a26d8a3fc4cf3f7f9c4a38f0937edc0aa73002c...600.0 s6.0 KiB
safevisit.online/?lcid=113920.0 ms4.3 KiB
gtbpy.jennikayne.com/jennikayne/load300.0 s3.8 KiB
static.klaviyo.com/onsite/js/Ppytcf/klaviyo.js?company_id=Ppytcf1.0 s3.0 KiB
/tatari-shopify/tracker-snippet-latest.min.js?tatari-toke...3600.0 s3.5 KiB
static.myshlf.us/Affiliates/sms_aff_clicktrack.js300.0 s2.9 KiB
nosto.stackla.com/media/js/dist/ugc.bundle.js0.0 ms2.6 KiB
c.albss.com/p/l/loader.iife.js3600.0 s2.7 KiB
/a/elevar/static/configs/641126fb8f7a98f9250c2396ce78a26e...1.0 s2.1 KiB
/merchant/cookieConsentScript?merchantId=30000729&country...300.0 s1.4 KiB
/shopifycloud/shop-js/modules/v2/loader.init-shop-cart-sy...1800.0 s1.1 KiB
/checkouts/internal/preloads.js?locale=en-US&configuratio...60.0 s476 B
/set?t=Browsing%20Start&co=US&sid=872683008.719001287.300...0.0 ms179 B
/?lcid=11392&ncookie=e18879c6-8fb5-4fd2-9250-3578fee913a1...0.0 ms125 B
connect.nosto.com/include/shopify-56512348333600.0 s0 B
/cdn/shopifycloud/portable-wallets/latest/accelerated-che...300.0 s0 B

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:45.295 source:map[column:17456 line:145 type:source-location url:https://www.jennikayne.com/cdn/shop/t/1513/assets/jk-scripts-global.js?v=130185723439306924151791907871 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:32.539 source:map[type:text value:[unattributed]]] map[reflowTime:0.814 source:map[column:29117 line:0 type:source-location url:https://www.jennikayne.com/cdn/shopifycloud/perf-kit/shopify-perf-kit-3.11.0.min.js urlProvider:network]] map[reflowTime:2.461 source:map[column:32197 line:110 type:source-location url:https://www.jennikayne.com/cdn/shop/t/1513/assets/jk-scripts-global.js?v=130185723439306924151791907871 urlProvider:network]] map[reflowTime:28.761 source:map[column:4762 line:144 type:source-location url:https://www.jennikayne.com/cdn/shop/t/1513/assets/jk-scripts-global.js?v=130185723439306924151791907871 urlProvider:network]] map[reflowTime:13.795 source:map[column:55626 line:110 type:source-location url:https://www.jennikayne.com/cdn/shop/t/1513/assets/jk-scripts-global.js?v=130185723439306924151791907871 urlProvider:network]] map[reflowTime:0.278 source:map[column:3426 line:144 type:source-location url:https://www.jennikayne.com/cdn/shop/t/1513/assets/jk-scripts-global.js?v=130185723439306924151791907871 urlProvider:network]]]

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-VIDEO
nodeLabel: div.mt-[0px] > div.video > a.lg:hidden > video#template--27997824057517__redesign_hero_EmMjym-mobile-video
path: 1,HTML,1,BODY,14,MAIN,0,SECTION,0,DIV,0,DIV,2,A,0,VIDEO
selector: div.mt-[0px] > div.video > a.lg:hidden > video#template--27997824057517__redesign_hero_EmMjym-mobile-video
snippet: <video playsinline="true" loop="loop" id="template--27997824057517__redesign_hero_EmMjym-mobile-video" muted="muted" autoplay="autoplay" class="lg:hidden w-full h-full lazyloaded" preload="metadata" poster="//www.jennikayne.com/cdn/shop/files/preview_images/612820111dea43edb23c7b3…">

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.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.
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

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.relative > a.block > div.relative > img.absolute div.relative > a.block > div.relative > img.absolute
www.jennikayne.com/cdn/shop/files/Rectangle_4_21.jpg?v=1791908169&width=960307.0 KiB245.0 KiB
div.relative > a.block > div.relative > img.absolute div.relative > a.block > div.relative > img.absolute
www.jennikayne.com/cdn/shop/files/Rectangle_4_22.jpg?v=1791908179&width=960185.8 KiB123.8 KiB
A woman stands outdoors leaning against a large tree trunk, wearing a brown and… a.js-link > div.absolute > div > img.img1
/cdn/shop/files/DEMI-PANT-DARK-BROWN_028-1_540x.png?v=179...150.4 KiB103.5 KiB
A woman sits on a grassy lawn wearing a gray knit sweater with a brown and crea… a.js-link > div.absolute > div > img.img1
/cdn/shop/files/THATCHER-CREWNECK-CARDIGAN-CHARCOAL_041-1...86.5 KiB39.7 KiB
A woman wearing a beige cowl-neck knit sweater and a dark plaid pleated skirt, … a.js-link > div.absolute > div > img.img1
/cdn/shop/files/FLYNN-CASHMERE-TURTLENECK-UNDYEDSTONE_034...77.6 KiB30.7 KiB

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

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

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify 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.

URLTotal CPU TimeScript EvaluationScript Parse
Unattributable4.8 s449 ms0.0 ms
www.jennikayne.com/4.0 s549 ms81 ms
cmp.osano.com/Pv8SZI3P1N/cf39c77d-abff-4a46-ab67-8ee82f580597/osano.js3.2 s2.7 s57 ms
/cdn/shop/t/1513/assets/jk-scripts-global.js?v=1301857234...2.0 s1.3 s62 ms
7ce243a1e1a2.cdn4.forter.com/snS/7ce243a1e1a2/script.js1.9 s1.8 s80 ms
acsbapp.com/apps/app/dist/js/app.js1.0 s780 ms119 ms
(program):2883 ms307 ms0.0 ms
www.googletagmanager.com/gtag/destination?id=G-2MJZJY84L1&cx=c&gtm=4e6ag1870 ms752 ms104 ms
www.googletagmanager.com/gtm.js?id=GTM-T2S87DFD785 ms691 ms68 ms
cdn-swell-assets.yotpo.com/app.v1.0.368.js764 ms578 ms149 ms
gkera.jennikayne.com/eat/core546 ms414 ms28 ms
www.googletagmanager.com/gtag/js?id=AW-944358801&cx=c&gtm=4e6ag1403 ms337 ms64 ms
www.googletagmanager.com/gtag/js?id=AW-7151867429037&cx=c&gtm=4e6ag1303 ms245 ms56 ms
/apps/proxy/script/shopify/market/nosto.js?merchant=shopi...265 ms218 ms18 ms
cdn.gladly.com/assets/chat-sdk/apiBootstrap~0fcf377a6e8df6d0.js246 ms221 ms24 ms
www.jennikayne.com/cdn/shopifycloud/perf-kit/shopify-perf-kit-3.11.0.min.js234 ms208 ms14 ms
cdn-widgetsrepository.yotpo.com/v1/loader/2VN_Wx54eEmm7ydGhnEwYQ218 ms30 ms187 ms
d-code.liadm.com/did-004t.min.js210 ms177 ms20 ms
str.rise-ai.com/?shop=jennikayne-prod.myshopify.com201 ms148 ms26 ms
d2hrivdxn8ekm8.cloudfront.net/tracker-latest.min.js179 ms175 ms2.5 ms
/resources/js/app?shop=jennikayne-prod.myshopify.com175 ms157 ms13 ms
/widget-assets/yotpo-pixel/2026-05-19_07-47-44/bundle.js159 ms130 ms24 ms
/js/gdpr_cookie_consent.min.js?shop=jennikayne-prod.mysho...151 ms131 ms13 ms
www.googletagmanager.com/gtag/js?id=AW-944358801147 ms41 ms105 ms
track.sv.rkdms.com/js/sv.js?sv_cid=5264_04510&sv_origin=jennikayne.com130 ms120 ms7.1 ms
connect.nosto.com/include/shopify-56512348333125 ms94 ms28 ms
/v1/loader/Tj3oaL0ikBv72JR171jMHqxBzybItarmtBU7ymfh124 ms32 ms11 ms
strn.rise-ai.com/?shop=jennikayne-prod.myshopify.com117 ms83 ms33 ms
/cdn/shopifycloud/storefront/assets/shopify_pay/storefron...108 ms93 ms14 ms
cdn.shopify.com/shopifycloud/shop-js/modules/v2/chunk.register_cLcgCW8c.esm.js107 ms99 ms0.4 ms
/cdn/shopifycloud/storefront/assets/storefront/load_featu...94 ms91 ms2.5 ms
/cdn/shopifycloud/storefront/assets/storefront/remote_pro...80 ms66 ms11 ms
cmp.osano.com/Pv8SZI3P1N/cf39c77d-abff-4a46-ab67-8ee82f580597/osano-ui.js76 ms41 ms13 ms
gtbpy.jennikayne.com/jennikayne/load75 ms60 ms2.2 ms
/widget-assets/widgets-initializer/app.v0.9.11-42.js67 ms44 ms20 ms
safevisit.online/?lcid=1139264 ms62 ms1.4 ms
www.jennikayne.com/a/elevar/static/getelevar/3.37.1/dl-app-embed-block.js63 ms1.9 ms0.7 ms
s.replay.uxtweak.com/Collector.3f1c4194.js63 ms55 ms6.5 ms
cdn.gladly.com/chat-sdk/widget.js?q=179244655226858 ms55 ms3.0 ms
/v1/loader/SL07maOFcf3dBQcQCVtgs9CRRP9PvEvDUQ80O5Yw?langu...55 ms19 ms14 ms
/merchant/cookieConsentScript?merchantId=30000729&country...51 ms46 ms0.9 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 Evaluation14.5 s
Other5.9 s
Style & Layout2.9 s
Script Parsing & Compilation1.6 s
Garbage Collection586 ms
Parse HTML & CSS484 ms
Rendering286 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in a sub frame.Actionable

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 16.6 KiB
URLTransfer SizeEst Savings
cdn-swell-assets.yotpo.com/bootstrap.min.css16.6 KiB16.6 KiB

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

●Layout shift culprits
●Document request latency
●Optimize DOM size
●Font display
●LCP breakdown
●Modern HTTP
●Render blocking requests
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 44 user timings
●Avoid long main-thread tasks 20 long tasks found
●Avoid non-composited animations 1 animated element found
●Image elements have explicit `width` and `height`
●Network Requests
●Network Round Trip Times 160 ms
●Server Backend Latencies 200 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Avoid multiple page redirects
●Initial server response time was short Root document took 10 ms
●Avoid large layout shifts 1 layout shift found
○INP breakdown
71

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
Shop All div#menu-Aam1OclY0TmMwQWtwc__menu_item_qmGFWc > div.xl:col-span-24 > div.flex > div#mega-menu-AYW1TQ1o2SFNTNW03c__sub_item_hQQatN
Sweaters div#menu-Aam1OclY0TmMwQWtwc__menu_item_qmGFWc > div.xl:col-span-24 > div.flex > div#mega-menu-AbGZrVGx0TjFTemJEQ__sub_item_QHVhC3
Shoes div#menu-Aam1OclY0TmMwQWtwc__menu_item_qmGFWc > div.xl:col-span-24 > div.flex > div#mega-menu-AZS8zL3hGR0hvWlQ3S__sub_item_BFzVVH
Featured div#menu-Aam1OclY0TmMwQWtwc__menu_item_qmGFWc > div.xl:col-span-24 > div.flex > div#mega-menu-Ab3BVeEdTNFR1L0oxV__sub_item_tMCKim
Blog div#menu-Aam1OclY0TmMwQWtwc__menu_item_qmGFWc > div.xl:col-span-24 > div.flex > div#mega-menu-AYXo0T2QxbXQwVHN5S__sub_item_DD63VB

Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid names. Learn more about valid ARIA attributes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
New Arrivals The Classics Shop All Sweaters Shoes Featured Blog div.nav-mobile-menu > nav.nav-mobile > div#shopify-block-Aam1OclY0TmMwQWtwc__menu_item_qmGFWc > div#menu-Aam1OclY0TmMwQWtwc__menu_item_qmGFWc

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

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

Source: MDN Permissions-Policy

Failing Elements
Account Welcome to Jenni Kayne My Account Rewards Become a JKH Member Store Loc… div#shopify-section-redesign-header > sticky-header > div.account-drawer--wrapper > div.account-drawer
Choose a country or region North America Europe Oceania Shop In United States div#shopify-section-redesign-header > sticky-header > div.country-drawer--wrapper > div.country-selector-drawer
  Close cart drawer YOUR CART IS EMPTY. Shop New Arrivals Shop Best-Sellers OUR… body#jenni-kayne-california-inspired-design-for-the-wardrobe-and-home > div.cart-drawer--wrapper > div#cartDrawer

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
© JenniKayne 2026. All rights reserved. div.mx-auto > div.lg:col-span-6 > div.mt-8 > span.redesign-body-8

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.video > a.lg:hidden > video#template--27997824057517__redesign_hero_EmMjym-mobile-video > img div.video > a.lg:hidden > video#template--27997824057517__redesign_hero_EmMjym-mobile-video > img

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.container > div.grid > div.lg:col-span-4 > a.flex div.container > div.grid > div.lg:col-span-4 > a.flex
div.flex > div.w-full > div.relative > a.block div.flex > div.w-full > div.relative > a.block
div.flex > div.w-full > div.relative > a.block div.flex > div.w-full > div.relative > a.block

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 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
My Account Rewards Become a JKH Member Store Locations Start a Return Customer … div.relative > div.flex > div.px-28 > ul.drawer-content
North America Europe Oceania div.relative > div.flex > div.px-28 > ul#country-selector-accordion

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

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
Cart 0 div.lg:col-span-4 > div.flex > div.header-utility > button#openDrawerBtn
○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
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●Buttons have an accessible name
●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
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●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
●`<video>` elements contain a `<track>` element with `[kind="captions"]`
●All heading elements contain content.
●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 `progressbar` elements have accessible names
○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
○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 buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○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
○Tables have different content in the summary attribute and `<caption>`.
○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.
81

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
Unload event listeners are deprecated and will be removed.
●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 browser errors logged to the console
●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 DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
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

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.video > a.lg:hidden > video#template--27997824057517__redesign_hero_EmMjym-mobile-video > img div.video > a.lg:hidden > video#template--27997824057517__redesign_hero_EmMjym-mobile-video > img

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 have descriptive text
●Links are crawlable
●robots.txt is valid
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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