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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.

27

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
talkdeskchatsdk.talkdeskapp.com/talkdeskchatsdk.js3600.0 s431.6 KiB
talkdeskchatsdk.talkdeskapp.com/516.talkdeskchatsdk.js3600.0 s224.7 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
/siteassets/homepage/news/news-two-african-american-men-s...24953.0 s71.0 KiB
/signals/config/1151417345835405?v=2.9.303&r=stable&domai...1200.0 s44.9 KiB
www.asha.org/siteassets/homepage/news/news-protect-medicaid-access.png14400.0 s57.5 KiB
www.asha.org/Static/themes/asha/css/ajax-loader.gif14400.0 s51.7 KiB
/siteassets/homepage/courses-and-products/2026-asha-schoo...14400.0 s48.8 KiB
/Static/themes/asha/plugins/font-awesome/fonts/fontawesom...86400.0 s55.8 KiB
js.monitor.azure.com/scripts/a/ai.0.js1800.0 s21.6 KiB
www.asha.org/siteassets/homepage/news/news-2026-schools-survey.png24953.0 s21.2 KiB
/siteassets/homepage/features/feature-day-in-the-life-adr...14400.0 s18.9 KiB
servedbyadbutler.com/app.js1800.0 s13.0 KiB
tags.tiqcdn.com/libs/tealiumjs/latest/tealium_collect.min.js300.0 s11.0 KiB
scripts.clarity.ms/0.8.59/clarity.js86400.0 s26.2 KiB
www.asha.org/siteassets/homepage/features/feature-ashfoundation-david-rivera.jpg14400.0 s15.3 KiB
/siteassets/homepage/features/feature-doctor-showing-a-mo...14400.0 s15.1 KiB
talkdeskchatsdk.talkdeskapp.com/123.talkdeskchatsdk.js3600.0 s12.6 KiB
www.asha.org/Static/themes/associates/js/career/plugins.js86400.0 s23.4 KiB
/siteassets/homepage/courses-and-products/2026-dysphagia-...14400.0 s13.2 KiB
www.asha.org/Static/themes/asha/css/fonts/urw-geometric-800-web.woff286400.0 s20.8 KiB
/contentassets/2b59c13d1819441da6ac7fd335320b8c/asha_logo...14400.0 s12.2 KiB
www.asha.org/Static/themes/asha/css/fonts/urw-geometric-700-web.woff286400.0 s20.6 KiB
www.asha.org/Static/themes/asha/css/fonts/urw-geometric-600-web.woff286400.0 s20.3 KiB
www.asha.org/Static/themes/asha/css/fonts/urw-geometric-500-web.woff286400.0 s20.2 KiB
www.asha.org/Static/themes/asha/css/fonts/urw-geometric-400-web.woff286400.0 s19.7 KiB
/siteassets/homepage/courses-and-products/2026-olc-autism...24953.0 s11.7 KiB
s3.amazonaws.com/asha-website/SVG/icon_Find-CE.svg0.0 ms5.3 KiB
www.asha.org/siteassets/corporate-partners/stepping-stones-horiz-logo-200-62.png19850.0 s7.9 KiB
www.asha.org/siteassets/corporate-partners/parapharma-tech-scroll.png19864.0 s5.6 KiB
www.asha.org/Static/themes/asha/plugins/animate.css86400.0 s8.4 KiB
www.asha.org/siteassets/corporate-partners/spg-scroll-v2.png25593.0 s4.9 KiB
www.asha.org/siteassets/corporate-partners/encompass-health-scroll.png19863.0 s4.3 KiB
www.asha.org/siteassets/corporate-partners/simplepractice-300-62.jpg25484.0 s4.4 KiB
script.crazyegg.com/pages/scripts/0007/6958.js300.0 s2.7 KiB
www.asha.org/siteassets/corporate-partners/presence-scroll.png22181.0 s4.0 KiB
www.asha.org/Static/themes/asha/plugins/font-awesome/css/font-awesome.min.css86400.0 s5.6 KiB
www.asha.org/siteassets/corporate-partners/amn-healthcare-200-62.jpg32798.0 s3.9 KiB
www.asha.org/siteassets/corporate-partners/ambiki-200-62.png38485.0 s4.1 KiB
www.asha.org/siteassets/homepage/certification-button.png38487.0 s4.0 KiB
www.asha.org/siteassets/corporate-partners/fusion-by-ensora-health-200-62.jpg38485.0 s3.9 KiB
www.asha.org/siteassets/homepage/member-button.png17836.0 s3.1 KiB
www.asha.org/siteassets/corporate-partners/nss-scroll.png19864.0 s2.9 KiB
s3.amazonaws.com/asha-website/SVG/icon_Find-Professional.svg0.0 ms1.8 KiB
www.asha.org/siteassets/corporate-partners/plural-scroll.png19388.0 s2.7 KiB
s3.amazonaws.com/asha-website/SVG/icon_Academic.svg0.0 ms1.7 KiB
www.asha.org/Static/themes/asha/css/custom2022.css86400.0 s3.1 KiB
munchkin.marketo.net/munchkin.js0.0 ms1.2 KiB
www.asha.org/Static/themes/asha/plugins/line-icons/line-icons.css86400.0 s2.6 KiB
www.asha.org/siteassets/homepage/asha-member-center.png14400.0 s1.5 KiB
/cdn-assets/latest/talkdesk/product/app-icons/sms.svg0.0 ms1.0 KiB
www.asha.org/Static/themes/asha/plugins/parallax-slider/css/parallax-slider.css86400.0 s2.4 KiB
www.asha.org/siteassets/corporate-partners/amba-200-62.png25327.0 s1.5 KiB
www.asha.org/Static/themes/associates/js/career/app.js86400.0 s1.9 KiB
/Static/themes/asha/plugins/owl-carousel/owl-carousel/owl...86400.0 s1.8 KiB
www.asha.org/Static/themes/asha/plugins/flexslider/flexslider.css86400.0 s1.7 KiB
www.asha.org/Static/Themes/GlobalBanner.css86400.0 s1.1 KiB
www.asha.org/Static/themes/asha/plugins/image-hover/css/img-hover.css86400.0 s1.1 KiB
cdn.jsdelivr.net/gh/derekcavaliero/attributor@latest/dist/attributor.min.js604800.0 s3.3 KiB
/v.gif?cd=0&a=756997&d=asha.org&u=D30A1ACD0D1344185091856...43200.0 s147 B
/tr/?id=1151417345835405&ev=PageView&dl=https%3A%2F%2Fwww...0.0 ms19 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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:15.975 source:map[column:6496 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:32.237 source:map[column:6521 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:0.846 source:map[column:8969 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:0.992 source:map[column:9696 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:0.722 source:map[column:9890 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:0.642 source:map[column:10197 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:0.632 source:map[column:10350 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:0.863 source:map[column:8817 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:0.689 source:map[column:10117 line:0 type:source-location url:https://www.asha.org/Static/themes/associates/js/career/plugins.js urlProvider:network]] map[reflowTime:2.039 source:map[column:56989 line:0 type:source-location url:https://www.asha.org/bundles/asha/js?v=tTzRr31Wi4Y-qPDmDAvIO8b-fVf61FnkZwbOP9nP2mk1 urlProvider:network]] map[reflowTime:0.245 source:map[column:57047 line:0 type:source-location url:https://www.asha.org/bundles/asha/js?v=tTzRr31Wi4Y-qPDmDAvIO8b-fVf61FnkZwbOP9nP2mk1 urlProvider:network]] map[reflowTime:0.264 source:map[column:57111 line:0 type:source-location url:https://www.asha.org/bundles/asha/js?v=tTzRr31Wi4Y-qPDmDAvIO8b-fVf61FnkZwbOP9nP2mk1 urlProvider:network]] map[reflowTime:0.28 source:map[column:86111 line:0 type:source-location url:https://www.asha.org/bundles/asha/js?v=tTzRr31Wi4Y-qPDmDAvIO8b-fVf61FnkZwbOP9nP2mk1 urlProvider:network]] map[reflowTime:0.991 source:map[column:288270 line:0 type:source-location url:https://www.asha.org/bundles/asha/bottom-js?v=MmOt-yY7_ERTzZrMKrMPfEQ4G_whdesbTR8KgfZp4q41 urlProvider:network]] map[reflowTime:2.173 source:map[column:288804 line:0 type:source-location url:https://www.asha.org/bundles/asha/bottom-js?v=MmOt-yY7_ERTzZrMKrMPfEQ4G_whdesbTR8KgfZp4q41 urlProvider:network]] map[reflowTime:0.805 source:map[column:283485 line:0 type:source-location url:https://www.asha.org/bundles/asha/bottom-js?v=MmOt-yY7_ERTzZrMKrMPfEQ4G_whdesbTR8KgfZp4q41 urlProvider:network]] map[reflowTime:0.184 source:map[column:283520 line:0 type:source-location url:https://www.asha.org/bundles/asha/bottom-js?v=MmOt-yY7_ERTzZrMKrMPfEQ4G_whdesbTR8KgfZp4q41 urlProvider:network]]]

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:309.056 label:Time to first byte subpart:timeToFirstByte] map[duration:4162.895 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-SPAN
nodeLabel: We use cookies to offer you a better browsing experience, analyze site traffic,…
path: 1,HTML,6,BODY,0,DIV,1,SPAN
selector: body.home-template > div.cc-window > span#cookieconsent:desc
snippet: <span id="cookieconsent:desc" class="cc-message">

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

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.

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
Register now and save! div.row > div.col-md-4 > a > img
/siteassets/homepage/courses-and-products/2026-asha-schoo...48.3 KiB38.5 KiB
It's back! Gain practical skills you can use right away. div#placement_509530_0 > div#placement_509530_0_ins > a > img
servedbyadbutler.com/getad.img/;libID=528324424.2 KiB12.0 KiB
American Speech-Language-Hearing Association div.navbar-header > div.row > a.navbar-brand > img
/contentassets/2b59c13d1819441da6ac7fd335320b8c/asha_logo...11.8 KiB11.6 KiB
Stepping Stones Group div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/stepping-stones-horiz-logo-200-62.png7.4 KiB5.4 KiB

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

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.

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: 761 ms
URLTime Spent
asha.org/761 ms
www.asha.org/0.0 ms

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

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: 80 ms 5.2 KiB
URLTransfer SizeEst Savings
servedbyadbutler.com/app.js12.8 KiB5.2 KiB

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: 680 ms 80.3 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.

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 Evaluation4.6 s
Other1.2 s
Script Parsing & Compilation925 ms
Style & Layout512 ms
Garbage Collection157 ms
Parse HTML & CSS111 ms
Rendering82 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 the main frame.Actionable

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
American Speech-Language-Hearing Association div.navbar-header > div.row > a.navbar-brand > img
www.asha.org/link/33c379849e054875be60cb40471c9e65.aspx
Member Benefits div.row > div.col-md-4 > a > img.img-responsive
www.asha.org/siteassets/homepage/member-button.png
Certification Benefits div.row > div.col-md-4 > a > img.img-responsive
www.asha.org/siteassets/homepage/certification-button.png
SimplePractice div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/simplepractice-300-62.jpg
SimplePractice div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/simplepractice-300-62.jpg
Fusion by Ensora Health div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/fusion-by-ensora-health-200-62.jpg
Stepping Stones Group div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/stepping-stones-horiz-logo-200-62.png
Speech Pathology Group div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/spg-scroll-v2.png
Parapharma Tech div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/parapharma-tech-scroll.png
Presence div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/presence-scroll.png
AMN Healthcare div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/amn-healthcare-200-62.jpg
Plural Publishing div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/plural-scroll.png
Northern Speech Services (NSS) div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/nss-scroll.png
AMBA div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/amba-200-62.png
Encompass Health div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/encompass-health-scroll.png
Ambiki div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/ambiki-200-62.png
Fusion by Ensora Health div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/fusion-by-ensora-health-200-62.jpg
Stepping Stones Group div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/stepping-stones-horiz-logo-200-62.png
Speech Pathology Group div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/spg-scroll-v2.png
Parapharma Tech div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/parapharma-tech-scroll.png
Presence div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/presence-scroll.png
AMN Healthcare div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/amn-healthcare-200-62.jpg
Plural Publishing div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/plural-scroll.png
Northern Speech Services (NSS) div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/nss-scroll.png
AMBA div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/amba-200-62.png
Encompass Health div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/encompass-health-scroll.png
Ambiki div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/ambiki-200-62.png
Fusion by Ensora Health div > div > a.img > img.img
www.asha.org/siteassets/corporate-partners/fusion-by-ensora-health-200-62.jpg

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

Layout shift culprits
Optimize DOM size
Modern HTTP
Optimize viewport for mobile
Minify CSS
Avoids enormous network payloads Total size was 2,648 KiB
User Timing marks and measures 15 user timings
Avoid long main-thread tasks 20 long tasks found
Avoid non-composited animations 24 animated elements found
Network Requests
Network Round Trip Times 260 ms
Server Backend Latencies 260 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 270 ms
INP breakdown
LCP request discovery
Avoid large layout shifts
88

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.

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
Cookie Statement. body.home-template > div.cc-window > span#cookieconsent:desc > a.cc-link
SITE HELP | A–Z TOPIC INDEX | PRIVACY STATEMENT | TERMS OF USE div.row > div.col-md-6 > p > span.hidden-print

These are opportunities to improve the legibility of your content.

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
Take action to protect access to Medicaid div.col-md-4 > div.panel > div.panel-body > h4
It's back! Build practical skills you can use immediately. div.container > div.row > div.col-md-4 > h4.text-center
Adrienne uses her experience as a pathway to become a pediatric SLP div.col-md-4 > div.panel > div.panel-body > h4
APR 17 div.block > div > div.event-box > h4.date

These are opportunities to improve keyboard navigation in your application.

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
Take action to protect access to Medicaid div.col-md-4 > div.panel > div.panel-body > a
Tips for supporting a loved one with dementia div.col-md-4 > div.panel > div.panel-body > a
Complete the 2026 ASHA schools survey div.col-md-4 > div.panel > div.panel-body > a
Adrienne uses her experience as a pathway to become a pediatric SLP div.col-md-4 > div.panel > div.panel-body > a
April is FND Awareness Month. Explore ASHA's newest Evidence Map: Functional Ne… div.col-md-4 > div.panel > div.panel-body > a
Watch David’s story and see how your support helps real people find their voices div.col-md-4 > div.panel > div.panel-body > a
div.container > div.row > div.col-md-6 > a div.container > div.row > div.col-md-6 > 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.

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
ADVERTISING DISCLAIMER div.ad-box > ul.list-unstyled > li > a#ctl00_ContentPlaceHolder1_aAdDisclaimer
ADVERTISE WITH US div.ad-box > ul.list-unstyled > li > a
POLICIES div.ad-box > ul.list-unstyled > li > a
ASHA Community div.col-md-4 > ul.footer-list > li > a.link
Become a Mentor div.col-md-4 > ul.footer-list > li > a.link
Become a Volunteer div.col-md-4 > ul.footer-list > li > a.link
Press Room div.col-md-4 > ul.footer-list > li > a.link
Press Queries div.col-md-4 > ul.footer-list > li > a.link

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
Cookie Statement. body.home-template > div.cc-window > span#cookieconsent:desc > a.cc-link
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
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[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
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
Document has a main landmark.
Deprecated ARIA roles were not used
Uses ARIA roles only on compatible elements
`[accesskey]` values are unique
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
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
All heading elements contain content.
Image elements do not have `[alt]` attributes that are redundant text.
Identical links have the same purpose.
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

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
ASHA Member Center div.row > div.col-md-4 > a > img.img-responsive
www.asha.org/siteassets/homepage/asha-member-center.png322 x 69350 x 75483 x 104
Certification Benefits div.row > div.col-md-4 > a > img.img-responsive
www.asha.org/siteassets/homepage/certification-button.png322 x 69350 x 75483 x 104
Member Benefits div.row > div.col-md-4 > a > img.img-responsive
www.asha.org/siteassets/homepage/member-button.png322 x 69350 x 75483 x 104

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
Unload event listeners are deprecated and will be removed.
Authorization will not be covered by the wildcard symbol (*) in CORS Access-Control-Allow-Headers handling.
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 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 clickjacking with XFO or CSP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Page has valid source maps
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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