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

Audit breakdown by category with detailed findings.

82

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:0.15554199999999999] map[node:map[boundingRect:map[bottom:7622 height:7069 left:0 right:1350 top:553 width:1350] lhId:page-9-MAIN nodeLabel:LEADERSHIP An ‘Inappropriate Relationship’ Sank Ohio State’s Leader. A New Repo… path:1,HTML,1,BODY,7,MAIN selector:body.HomePage-body > main#main-content snippet:<main id="main-content" class="HomePage-main" data-copmanion-content=""> type:node] score:0.155437 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:968 height:415 left:40 right:778 top:553 width:738] lhId:page-0-IMG nodeLabel:INDIANAPOLIS, INDIANA - DECEMBER 06: Ohio State Buckeyes President Ted Carter l… path:1,HTML,1,BODY,7,MAIN,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,A,0,PICTURE,6,IMG selector:div.ContentPromo-top-media > a.Link > picture > img.Image snippet:<img class="Image" data-image-size="promoImageLarge" alt="INDIANAPOLIS, INDIANA - DECEMBER 06: Ohio State Buckeyes President Ted Car…" srcset="https://chronicle.brightspotcdn.com/dims4/default/d2862c2/2147483647/strip…" width="800" height="450" loading="lazy" src="https://chronicle.brightspotcdn.com/dims4/default/f4c3718/2147483647/strip…"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:466 height:34 left:679 right:825 top:432 width:146] lhId:page-1-BSP-NAVIGATION-ITEM nodeLabel:Audio Stories path:1,HTML,1,BODY,5,CHRON-HEADER-MENU,0,DIV,0,BSP-HEADER,1,DIV,0,DIV,0,DIV,0,BSP-NAV,0,NAV,0,UL,5,LI,0,BSP-NAVIGATION-ITEM selector:nav > ul.Navigation-items > li.Navigation-items-item > bsp-navigation-item.NavigationItem snippet:<bsp-navigation-item class="NavigationItem"> type:node] score:8e-05 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:968 height:415 left:40 right:778 top:553 width:738] lhId:page-0-IMG nodeLabel:INDIANAPOLIS, INDIANA - DECEMBER 06: Ohio State Buckeyes President Ted Carter l… path:1,HTML,1,BODY,7,MAIN,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,A,0,PICTURE,6,IMG selector:div.ContentPromo-top-media > a.Link > picture > img.Image snippet:<img class="Image" data-image-size="promoImageLarge" alt="INDIANAPOLIS, INDIANA - DECEMBER 06: Ohio State Buckeyes President Ted Car…" srcset="https://chronicle.brightspotcdn.com/dims4/default/d2862c2/2147483647/strip…" width="800" height="450" loading="lazy" src="https://chronicle.brightspotcdn.com/dims4/default/f4c3718/2147483647/strip…"> type:node]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/crimsontext/v19/wlp2gwHKFkZgtmSR3NB0oRJfbwhTIfFd3A.woff2]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:466 height:34 left:1114 right:1231 top:432 width:117] lhId:page-6-BSP-NAVIGATION-ITEM nodeLabel:Store path:1,HTML,1,BODY,5,CHRON-HEADER-MENU,0,DIV,0,BSP-HEADER,1,DIV,0,DIV,0,DIV,0,BSP-NAV,0,NAV,0,UL,7,LI,0,BSP-NAVIGATION-ITEM selector:nav > ul.Navigation-items > li.Navigation-items-item > bsp-navigation-item.NavigationItem snippet:<bsp-navigation-item class="NavigationItem" data-brand-color="brand-store"> type:node] score:2.5e-05 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:3557 height:262 left:40 right:389 top:3295 width:349] lhId:page-20-IMG nodeLabel:Portrait photograph of Judith Butler path:1,HTML,1,BODY,7,MAIN,0,DIV,0,DIV,4,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,A,0,PICTURE,10,IMG selector:div.PromoCardA-media > a.Link > picture > img.Image snippet:<img class="Image" data-image-size="mediumFixedMedia" alt="Portrait photograph of Judith Butler" srcset="https://chronicle.brightspotcdn.com/dims4/default/71e17ca/2147483647/strip…" width="800" height="600" loading="lazy" src="https://chronicle.brightspotcdn.com/dims4/default/6ff0355/2147483647/strip…"> 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:43.373 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: INDIANAPOLIS, INDIANA - DECEMBER 06: Ohio State Buckeyes President Ted Carter l…
path: 1,HTML,1,BODY,7,MAIN,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,A,0,PICTURE,6,IMG
selector: div.ContentPromo-top-media > a.Link > picture > img.Image
snippet: <img class="Image" data-image-size="promoImageLarge" alt="INDIANAPOLIS, INDIANA - DECEMBER 06: Ohio State Buckeyes President Ted Car…" srcset="https://chronicle.brightspotcdn.com/dims4/default/d2862c2/2147483647/strip…" width="800" height="450" loading="lazy" src="https://chronicle.brightspotcdn.com/dims4/default/f4c3718/2147483647/strip…">

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

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
/css2?family=Crimson+Text:ital,wght@0,400;0,600;0,700;1,4...3.5 KiB241 ms
/resource/00000191-9a32-d99e-abf3-9ef60cab0000/styleguide...122.0 KiB559 ms
/resource/00000191-9a32-d99e-abf3-9ef60cab0000/styleguide...1.5 KiB
/resource/00000191-9a32-d99e-abf3-9ef60cab0000/styleguide...672 B
/p.css?s=1&k=iji1cyl&ht=tk&f=56024.56027.56028.56029.5603...173 B204 ms
assets.login.chronicle.com/common/che-auth0-user.js2.9 KiB237 ms
use.typekit.net/iji1cyl.css1.0 KiB209 ms
experiments.parsely.com/vip-experiments.js?apiKey=chronicle.com8.9 KiB236 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
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s73.1 KiB
static.chronicle.com/topjobs/vendor.2c806c90e1bc352f9e7e.js300.0 s48.5 KiB
assets.adobedtm.com/e68ed707f811/44551a260275/launch-e36887dfe6d1.min.js3600.0 s45.6 KiB
experiments.parsely.com/vip-experiments.js?apiKey=chronicle.com30.0 s8.9 KiB
/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/...14400.0 s12.8 KiB
/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312...86400.0 s10.7 KiB
assets.login.chronicle.com/common/che-auth0-user.js0.0 ms2.9 KiB
static.chronicle.com/topjobs/app.735b265f5b84f723bde7.js300.0 s2.4 KiB
munchkin.marketo.net/munchkin.js0.0 ms1.2 KiB
static.chronicle.com/topjobs/41b5e56ccce455450846.js300.0 s1.1 KiB
/pagead/js/r20260420/r20110914/client/window_focus_fy2021.js1209600.0 s1.6 KiB
/p.css?s=1&k=iji1cyl&ht=tk&f=56024.56027.56028.56029.5603...604800.0 s173 B

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
use.typekit.net/af/062d99/00000000000000007753f6bc/30/l?subset_id=2&fvd=n6&v=35.0 ms
/af/2f4d9e/00000000000000007753f6b8/30/l?primer=7cdcb44be...5.0 ms
use.typekit.net/af/77c9b6/00000000000000007753f6bf/30/l?subset_id=2&fvd=n7&v=35.0 ms

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
body > div#google_image_div > a#aw0 > img.img_ad body > div#google_image_div > a#aw0 > img.img_ad
tpc.googlesyndication.com/simgad/4646350954289908816180.4 KiB140.9 KiB
Photo-based illustration of a partially covered mirror reflecting a campus cloc… div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/bd66343/2147483647/strip/true/crop/9000x50...101.2 KiB95.6 KiB
Portrait of Ian Bogost, a professor at Washington U. div.PromoCardA-media > a.Link > picture > img.Image
/dims4/default/09a74a9/2147483647/strip/true/crop/960x720...106.1 KiB91.3 KiB
Illustration of a steamroller rolling over a colorful road and leaving gray asp… div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/e736803/2147483647/strip/true/crop/3533x19...86.3 KiB71.9 KiB
Photo-based illustration of vintage typewriter keys with the letters A and I on… div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/740aa37/2147483647/strip/true/crop/5194x29...77.1 KiB71.5 KiB
Photo-illustration of a faceless man in a suit with a headset pointing to a gri… div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/d9261e3/2147483647/strip/true/crop/6000x33...63.5 KiB57.9 KiB
Vector illustration of a computer screen with symbols indicating code with two … div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/86de686/2147483647/strip/true/crop/9000x50...59.7 KiB54.1 KiB
Portrait photograph of Judith Butler div.PromoCardA-media > a.Link > picture > img.Image
/dims4/default/6ff0355/2147483647/strip/true/crop/960x720...59.8 KiB48.4 KiB
Photo illustration showing a man in a business suit holding a megephone div.PromoCardA-media > a.Link > picture > img.Image
/dims4/default/c351bbd/2147483647/strip/true/crop/960x720...57.6 KiB46.6 KiB
Graphic vector illustration of a ship with education-like embellishments being … div.PromoCardA-media > a.Link > picture > img.Image
/dims4/default/40ab99e/2147483647/strip/true/crop/960x720...31.9 KiB25.8 KiB
Cover of the April 24, 2026, print issue of The Chronicle of Higher Education div.DigitalReplicaModule-media > a.Link > picture > img.Image
/dims4/default/aa17432/2147483647/strip/true/crop/3225x43...56.6 KiB23.5 KiB
040926_PromoImage.jpg div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/ce9b479/2147483647/strip/true/crop/1592x89...28.4 KiB21.4 KiB
Illustration depicting a scale or meter with blue on the left and red on the ri… div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/576fd07/2147483647/strip/true/crop/6000x33...20.6 KiB15.5 KiB
Paper airplane made of a $100 bill falling from the sky div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/12ad099/2147483647/strip/true/crop/3504x19...16.4 KiB14.9 KiB
Photo-based illustration of an open book lying flat with a model of the U.S. Ca… div.ContentPromo-top-media > a.Link > picture > img.Image
/dims4/default/1a9b9e5/2147483647/strip/true/crop/6000x33...16.1 KiB14.6 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: 206 ms
URLTime Spent
chronicle.com/206 ms
www.chronicle.com/0.0 ms

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.4 s
URLTime Spent
www.chronicle.com/1.5 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
LEADERSHIP An ‘Inappropriate Relationship’ Sank Ohio State’s Leader. A New Repo… body.HomePage-body > main#main-content
0.155
Audio Stories nav > ul.Navigation-items > li.Navigation-items-item > bsp-navigation-item.NavigationItem
0.000
Store nav > ul.Navigation-items > li.Navigation-items-item > bsp-navigation-item.NavigationItem
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

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: 80 ms 110.7 KiB
URLTransfer SizeEst Savings
/resource/00000191-9a32-d99e-abf3-9ef60cab0000/styleguide...121.6 KiB110.7 KiB

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 the main frame.Actionable

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.

Estimated savings: 0.0 ms 44.8 KiB
URLTransfer SizeEst Savings
c950.chronicle.com/plugin/library/5a71c6c64b699d38428bcce09f4f0384165.6 KiB44.8 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

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 594.4 KiB
URLTransfer SizeEst Savings
/resource/00000191-9a32-d99e-abf3-9ef60cab0000/styleguide...171.6 KiB140.7 KiB
/pagead/managed/js/gpt/m202604200101/pubads_impl.js?cb=31...187.7 KiB99.2 KiB
c950.chronicle.com/plugin/library/5a71c6c64b699d38428bcce09f4f0384165.6 KiB92.1 KiB
www.googletagmanager.com/gtag/js?id=G-WPH6W31S6Y&cx=c&gtm=4e64h1174.1 KiB69.6 KiB
www.googletagmanager.com/gtag/js?id=AW-10987626046&l=dataLayer145.7 KiB58.2 KiB
c950.chronicle.com/plugin/plugin/bcc23bbf0a2058a8c6bf1068a40cb2d666.5 KiB39.2 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js73.1 KiB30.3 KiB
code.jquery.com/jquery-3.6.4.min.js30.3 KiB22.7 KiB
plugins.blueconic.net/static/scripts/jquery/jquery-3.7.1-BC-v2.min.js29.7 KiB22.1 KiB
static.chronicle.com/topjobs/vendor.2c806c90e1bc352f9e7e.js48.1 KiB20.3 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
/pagead/managed/js/gpt/m202604200101/pubads_impl.js?cb=31...187.7 KiB
tpc.googlesyndication.com/simgad/4646350954289908816180.8 KiB
www.googletagmanager.com/gtag/js?id=G-WPH6W31S6Y&cx=c&gtm=4e64h1174.2 KiB
/resource/00000191-9a32-d99e-abf3-9ef60cab0000/styleguide...172.0 KiB
c950.chronicle.com/plugin/library/5a71c6c64b699d38428bcce09f4f0384166.1 KiB
www.googletagmanager.com/gtag/js?id=AW-10987626046&l=dataLayer146.0 KiB
/resource/00000191-9a32-d99e-abf3-9ef60cab0000/styleguide...122.0 KiB
/dims4/default/09a74a9/2147483647/strip/true/crop/960x720...106.7 KiB
/dims4/default/bd66343/2147483647/strip/true/crop/9000x50...101.7 KiB
/dims4/default/e736803/2147483647/strip/true/crop/3533x19...86.8 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
The High-Stakes Hunt for Research Funds - cover image of a dollar bill under a … div.col-md-3 > div.section--4x1 > a > img.content-grid__image
/rest/v2/contentStores/0d74ba7a-7130-4046-8823-4b7ea85c9f...
Preparing Students for the AI Work Force: What employers want colleges to know,… div.col-md-3 > div.section--4x1 > a > img.content-grid__image
/rest/v2/contentStores/0d74ba7a-7130-4046-8823-4b7ea85c9f...
Today's Teaching Strategies - Cover photo of a professor in front of an auditor… div.col-md-3 > div.section--4x1 > a > img.content-grid__image
/rest/v2/contentStores/0d74ba7a-7130-4046-8823-4b7ea85c9f...
The Budget Crisis is Here: How Smart Institutions Are Responding - cover image … div.col-md-3 > div.section--4x1 > a > img.content-grid__image
/rest/v2/contentStores/0d74ba7a-7130-4046-8823-4b7ea85c9f...

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

●Max Potential First Input Delay 90 ms
●Optimize DOM size
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 9 user timings
●JavaScript execution time 0.8 s
●Minimizes main-thread work 1.7 s
●Avoid long main-thread tasks 4 long tasks found
●Network Requests
●Network Round Trip Times 20 ms
●Server Backend Latencies 40 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
○INP breakdown
○Avoid non-composited animations
97

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.

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.SignupModule > div.SignupModule-container > div.SignupModule-container-action > chron-account-check.NewsletterButton-UserNotAuthenticated div.SignupModule > div.SignupModule-container > div.SignupModule-container-action > chron-account-check.NewsletterButton-UserNotAuthenticated

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
Lead With Insight div.Page-footer-container > div.Page-footer-row-header > div.Page-footer-logo > 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-*]` attributes match their 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
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Image elements have `[alt]` attributes
●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.
●`button`, `link`, and `menuitem` elements have accessible names
●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
●Background and foreground colors have a sufficient contrast ratio
●Document has a `<title>` element
●`<frame>` or `<iframe>` elements have a title
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●Links have a discernible name
●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
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●ARIA IDs are unique
●Identical links have the same purpose.
○`[accesskey]` values are unique
○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 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
○No form fields have multiple labels
○`<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
○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.
○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
SharedStorage
www.chronicle.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
StorageType.persistent is deprecated. Please use standardized navigator.storage instead.
www.chronicle.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
Fledge
www.chronicle.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
Unload event listeners are deprecated and will be removed.
c950.chronicle.com/plugin/library/5a71c6c64b699d38428bcce09f4f0384 line 37, col 32316
●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
100

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.

○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
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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