Lighthouse Mobile

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

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Detailed Report

Audit breakdown by category with detailed findings.

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.

Request	Cache TTL	Transfer Size
us01ccistatic.zoom.us/us01cci/web-sdk/chat-client.js	30.0 s	55.0 KiB
www.zoom.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js?	14400.0 s	11.0 KiB
cdn.cookielaw.org/logos/static/powered_by_logo.svg	86400.0 s	2.5 KiB
/logos/65962359-ef0d-4399-9db4-572d06de08aa/35aa5f80-9a65...	86400.0 s	1.8 KiB
cdn.cookielaw.org/logos/static/ot_close.svg	86400.0 s	622 B
cdn.cookielaw.org/scripttemplates/202409.2.0/otBannerSdk.js	86400.0 s	0 B
cdn.bc0a.com/autopilot/f00000000314502/autopilot_sdk.js	3600.0 s	0 B
cdn.cookielaw.org/scripttemplates/otSDKStub.js	86400.0 s	0 B
/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c124171768917...	86400.0 s	0 B
cdn.cookielaw.org/logos/static/powered_by_logo.svg	86400.0 s	0 B
/logos/65962359-ef0d-4399-9db4-572d06de08aa/35aa5f80-9a65...	86400.0 s	0 B
cdn.cookielaw.org/logos/static/ot_close.svg	86400.0 s	0 B

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:0.153079] map[node:map[boundingRect:map[bottom:2331 height:1304 left:0 right:412 top:1028 width:412] lhId:page-1-SECTION nodeLabel:Introducing Zoom AI Companion 3.0 AI Companion does more than save you time. I… path:1,HTML,1,BODY,7,MAIN,1,SECTION selector:body.fonts-loaded > main#main > section.module-columns snippet:<section block-spacing="" class="module-columns layout-1-columns module-padding-medium module-padding-top-m…"> type:node] score:0.153079]]

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:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:118.226 source:map[column:47 line:18 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/main.js urlProvider:network]]]

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:56.312 source:map[column:15 line:673 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/NavigationWorkplace/NavigationWorkplace.js urlProvider:network]] map[reflowTime:7.333 source:map[column:51 line:1558 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/NavigationWorkplace/NavigationWorkplace.js urlProvider:network]] map[reflowTime:7.978 source:map[column:35 line:59 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/modules/Hero/Hero.js urlProvider:network]] map[reflowTime:7.467 source:map[column:28 line:212 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/modules/Hero/Hero.js urlProvider:network]] map[reflowTime:26.141 source:map[column:29 line:67 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/CustomSwiperSlider/CustomSwiperSlider.js urlProvider:network]] map[reflowTime:27.67 source:map[column:18 line:194 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/CustomSwiperSlider/CustomSwiperSlider.js urlProvider:network]] map[reflowTime:9.371 source:map[column:15 line:50 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/foundation/LogoSlide/LogoSlide.js urlProvider:network]] map[reflowTime:16.972 source:map[column:27 line:63 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/CustomerStoriesExpandedCards/CustomerStoriesExpandedCards.js urlProvider:network]] map[reflowTime:15.888 source:map[column:10280 line:12 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/js/utilities/swiper-bundle.min.js urlProvider:network]] map[reflowTime:15.442 source:map[column:16795 line:12 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/js/utilities/swiper-bundle.min.js urlProvider:network]] map[reflowTime:0.131 source:map[column:35 line:221 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/CustomerStoriesExpandedCards/CustomerStoriesExpandedCards.js urlProvider:network]] map[reflowTime:15.357 source:map[column:31 line:12 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/Footer-v1/Footer-v1.js urlProvider:network]] map[reflowTime:8.915 source:map[column:54 line:69 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/Footer-v1/Footer-v1.js urlProvider:network]] map[reflowTime:0.414 source:map[column:11 line:195 type:source-location url:https://cdn.jsdelivr.net/npm/gsap@3.13.0/CSSPlugin.js urlProvider:network]] map[reflowTime:61.11 source:map[column:10760 line:12 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/js/utilities/swiper-bundle.min.js urlProvider:network]] map[reflowTime:45.044 source:map[column:4560 line:12 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/js/utilities/swiper-bundle.min.js urlProvider:network]] map[reflowTime:10.238 source:map[column:48340 line:12 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/js/utilities/swiper-bundle.min.js urlProvider:network]] map[reflowTime:8.584 source:map[column:19 line:329 type:source-location url:https://st1.zoom.us/homepage/20260413-1449/primary/dist/components/product-hub-components/feature-tab-accordion/feature-tab-accordion.js urlProvider:network]] map[reflowTime:18.463 source:map[column:265033 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/202409.2.0/otBannerSdk.js urlProvider:network]] map[reflowTime:0.141 source:map[column:265377 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/202409.2.0/otBannerSdk.js urlProvider:network]] map[reflowTime:15.496 source:map[column:150604 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/202409.2.0/otBannerSdk.js 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-IMG

nodeLabel: Meetings: Zoom Meetings app interface featuring various emoticons for enhanced …

path: 1,HTML,1,BODY,7,MAIN,0,SECTION,1,DIV,0,DIV,0,DIV,0,DIV,10,DIV,0,DIV,0,A,0,IMG

selector: div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image

snippet: <img src="https://st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/m…" alt="Meetings: Zoom Meetings app interface featuring various emoticons for enha…" class="custom-swiper-slider__slide-image">

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.

URL	Transfer Size
cdn.bc0a.com/autopilot/f00000000314502/autopilot_sdk.js	0 B
st1.zoom.us/homepage/20260413-1449/primary/dist/main.css?t=639108142964549050	0 B
st1.zoom.us/homepage/20260413-1449/primary/dist/swiper-bundle.min.css	0 B

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

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 2.4 s

URL	Time Spent
zoom.us/	830 ms
www.zoom.com/	1.5 s
zoom.us/syncStatus?continue=https://www.zoom.com/	0.0 ms
www.zoom.com/?cms_guid=false	0.0 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Element	Layout shift score
Introducing Zoom AI Companion 3.0 AI Companion does more than save you time. I… `body.fonts-loaded > main#main > section.module-columns`	0.153

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.

Estimated savings: 150 ms 138.9 KiB

URL	Transfer Size	Est Savings
/us01cci/web-sdk/9283/web-campaign.js?env=us01&apikey=AM_...	301.4 KiB	92.4 KiB
cdn.jsdelivr.net/npm/gsap@3.13.0/gsap-core.js	49.2 KiB	23.3 KiB
cdn.jsdelivr.net/npm/gsap@3.13.0/CSSPlugin.js	18.7 KiB	8.3 KiB
/homepage/20260413-1449/primary/dist/js/utilities/datalay...	9.6 KiB	5.3 KiB
/homepage/20260413-1449/primary/dist/components/product-h...	16.2 KiB	4.6 KiB
/homepage/20260413-1449/primary/dist/components/product-h...	11.8 KiB	3.0 KiB
st1.zoom.us/homepage/20260413-1449/primary/dist/js/utilities/utilities.js	4.7 KiB	2.0 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: 1.9 s 587.9 KiB

URL	Transfer Size	Est Savings
/us01cci/web-sdk/9283/web-campaign.js?env=us01&apikey=AM_...	301.3 KiB	159.4 KiB
www.googletagmanager.com/gtm.js?id=GTM-5WKFT9	204.4 KiB	72.7 KiB
www.googletagmanager.com/gtm.js?id=GTM-5WKFT9	204.4 KiB	72.7 KiB
cdn.cookielaw.org/scripttemplates/202409.2.0/otBannerSdk.js	111.8 KiB	61.1 KiB
cdn.cookielaw.org/scripttemplates/202409.2.0/otBannerSdk.js	111.8 KiB	61.0 KiB
cdn.jsdelivr.net/npm/gsap@3.13.0/gsap-core.js	49.2 KiB	44.2 KiB
/homepage/20260413-1449/primary/dist/js/utilities/swiper-...	42.7 KiB	41.4 KiB
/homepage/20260413-1449/primary/dist/js/utilities/swiper-...	42.7 KiB	28.4 KiB
cdn.jsdelivr.net/npm/gsap@3.13.0/gsap-core.js	49.2 KiB	23.7 KiB
us01ccistatic.zoom.us/us01cci/web-sdk/chat-client.js	54.9 KiB	23.3 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Total CPU Time	Script Evaluation	Script Parse
www.zoom.com/?cms_guid=false	2.8 s	108 ms	12 ms
Unattributable	1.6 s	228 ms	0.0 ms
www.googletagmanager.com/gtm.js?id=GTM-5WKFT9	925 ms	555 ms	354 ms
cdn.cookielaw.org/scripttemplates/202409.2.0/otBannerSdk.js	861 ms	399 ms	171 ms
st1.zoom.us/homepage/20260413-1449/primary/dist/main.js	748 ms	211 ms	1.1 ms
/homepage/20260413-1449/primary/dist/components/product-h...	614 ms	25 ms	1.1 ms
/us01cci/web-sdk/9283/web-campaign.js?env=us01&apikey=AM_...	525 ms	356 ms	8.1 ms
us01ccistatic.zoom.us/us01cci/web-sdk/chat-client.js	374 ms	267 ms	51 ms
www.zoom.com/cdn-cgi/challenge-platform/scripts/jsd/main.js	302 ms	289 ms	3.1 ms
cdn.jsdelivr.net/npm/gsap@3.13.0/gsap-core.js	264 ms	30 ms	15 ms
/homepage/20260413-1449/primary/dist/components/product-h...	253 ms	17 ms	2.1 ms
www.zoom.com/	211 ms	71 ms	11 ms
cdn.bc0a.com/autopilot/f00000000314502/autopilot_sdk.js	171 ms	119 ms	27 ms
/homepage/20260413-1449/primary/dist/components/product-h...	153 ms	11 ms	6.0 ms
/homepage/20260413-1449/primary/dist/js/utilities/swiper-...	116 ms	15 ms	60 ms
cdn.cookielaw.org/scripttemplates/otSDKStub.js	106 ms	78 ms	11 ms
st1.zoom.us/homepage/20260413-1449/primary/dist/main.css?t=639108142964549050	75 ms	0.0 ms	0.0 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.

Category	Time Spent
Style & Layout	3.1 s
Script Evaluation	2.8 s
Other	2.8 s
Script Parsing & Compilation	786 ms
Rendering	464 ms
Parse HTML & CSS	373 ms
Garbage Collection	27 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 reason	Failure type
The page has an unload handler in the main 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 17.4 KiB

URL	Transfer Size	Est Savings
	20.0 KiB	17.4 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.

URL	Transfer Size
/us01cci/web-sdk/9283/web-campaign.js?env=us01&apikey=AM_...	301.5 KiB
/homepage/20260413-1449/primary/dist/assets/zoommedia/emp...	227.7 KiB
www.googletagmanager.com/gtm.js?id=GTM-5WKFT9	204.8 KiB
st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/sales.jpg	198.4 KiB
st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/marketing.jpg	188.7 KiB
/homepage/20260413-1449/primary/dist/assets/zoommedia/cus...	177.3 KiB
st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/docs.jpg	174.9 KiB
st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/clips.jpg	132.6 KiB
/homepage/20260413-1449/primary/dist/assets/zoommedia/col...	131.6 KiB
st1.zoom.us/homepage/20260413-1449/primary/dist/main.css?t=639108142964549050	123.5 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
A smiling woman poses in front of a camera in Zoom Clips, radiating joy and con… `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/clips.jpg
Screenshot from a document kickoff session, featuring a list of topics and atte… `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/docs.jpg
Screenshot of contact center software showing a man providing virtual customer … `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	/homepage/20260413-1449/primary/dist/assets/zoommedia/con...
Meetings: Zoom Meetings app interface featuring various emoticons for enhanced … `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/meetings.jpg
A woman engaged in a conversation on Zoom Phone, smiling as she talks. `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/phone.jpg
Visual of the Zoom Whiteboard app, illustrating its note-taking capabilities an… `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/whiteboard.jpg
Visual of an AI Companion being prompted to list action items from a meeting `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/AIC.jpg
Automatically captures, summarizes, and extracts action items from any virtual … `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	/homepage/20260413-1449/primary/dist/assets/zoommedia/my-...
Live video chat screenshot from a webinar, featuring multiple participants inte… `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/web.jpg
Attendees in a Zoom conference room engaged in discussion, with a large screen … `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/zoom-rooms.jpg
Chatbot screen showing the prompt, "How can I assist you?quot; inviting user in… `div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a > img.custom-swiper-slider__slide-image`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/virtual.jpg
div.nav-drawer__stores > div.nav-drawer__stores-group > a > img `div.nav-drawer__stores > div.nav-drawer__stores-group > a > img`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/image_4.svg
div.nav-drawer__stores > div.nav-drawer__stores-group > a > img `div.nav-drawer__stores > div.nav-drawer__stores-group > a > img`	/homepage/20260413-1449/primary/dist/assets/zoommedia/Fra...
Zoom Workplace for Apple `div.zdcm-module-footer-nav__getApp-appstore > a.link-app > div > img`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/image_4.svg
Zoom Workplace for Android `div.zdcm-module-footer-nav__getApp-playstore > a.link-app > div > img`	/homepage/20260413-1449/primary/dist/assets/zoommedia/Fra...
Zoom AI Companion 3.0 `div.zdcm-feature-spotlight-container > div.top-content > div.svg-icon > img`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/icon-aic.svg
ul.utility-nav__list > li.utility-nav__item > a#ot-do-not-sell > img `ul.utility-nav__list > li.utility-nav__item > a#ot-do-not-sell > img`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/images/privacyoptions.png
div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg `div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/CaretDown.svg
div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg `div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/zoommedia/CaretDown.svg
Zoom wins Emmy `div.custom-swiper-slider__slide-content > a.fdn-zdcm-cards > div.card-image > img`
Zoom AI tools `div.custom-swiper-slider__slide-content > a.fdn-zdcm-cards > div.card-image > img`

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

●Optimize DOM size

●Font display

●Improve image delivery

●LCP breakdown

●Modern HTTP

●Network dependency tree

●Optimize viewport for mobile

●Minify CSS

●Avoid long main-thread tasks 20 long tasks found

●Avoid non-composited animations 5 animated elements found

●Network Requests

●Network Round Trip Times 0 ms

●Server Backend Latencies 150 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 170 ms

○INP breakdown

○User Timing marks and measures

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
Get in touch 1.888.799.9666 Download on Apple Store Zoom Workplace for Apple… `div.zdcm-module-footer-top > div.container > div.zdcm-module-footer-top__primary > nav.zdcm-module-footer-nav`

Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Collaboration Customer support Marketing Sales Employee engagement AI-first UCa… `div#one-platform > div.wrapper > div.column > section#multi-tab-feature-component`

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

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
section#logo-slider > div.body-container > div.fdn-logo-slide__controls > button.fdn-logo-slide__control `section#logo-slider > div.body-container > div.fdn-logo-slide__controls > button.fdn-logo-slide__control`

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.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg `div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg`
div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg `div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg`
ul.utility-nav__list > li.utility-nav__item > a#ot-do-not-sell > img `ul.utility-nav__list > li.utility-nav__item > a#ot-do-not-sell > 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
Register now Join the Zoom Scale-UP Summit EMEA - grow with AI Tools Register n… `section#eff7fb9b-dc00-45ed-b1e6-ed23ddf82301 > div.hero__container > div.hero__content > a.fdn-alert-banner`

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.

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
out of 7.9k+ reviews `div.ratings-container > div.rating-item > div.rating-text > p`
out of 54.9k+ reviews `div.ratings-container > div.rating-item > div.rating-text > p`
out of 5.8k+ reviews `div.ratings-container > div.rating-item > div.rating-text > p`

These are opportunities to improve the legibility of your content.

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
Privacy `div.utility-nav > ul.utility-nav__list > li.utility-nav__item > a.utility-nav__link`
Legal & Compliance `div.utility-nav > ul.utility-nav__list > li.utility-nav__item > a.utility-nav__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
Zoom wins Emmy for Engineering, Science & Technology From connecting remote wo… `div#sliderWrapper > div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a.fdn-zdcm-cards`
Eric Yuan on accessible AI: Include AI tools for business Zoom CEO, Eric Yuan,… `div#sliderWrapper > div.custom-swiper-slider__slide > div.custom-swiper-slider__slide-content > a.fdn-zdcm-cards`

○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]`s are contained by their required parent element

●`[role]` values are valid

●`[aria-*]` attributes have valid values

●`[aria-*]` attributes are valid and not misspelled

●`[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

●Links are distinguishable without relying on color.

●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

●`<video>` elements contain a `<track>` element with `[kind="captions"]`

●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 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

○`<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

○Form elements have associated labels

○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>`.

○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.

Best Practices

User Experience

Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Aspect Ratio (Displayed)	Aspect Ratio (Actual)
close banner `div.sub-wrapper > div.right-side > span.fdn-alert-banner__close > img`	st1.zoom.us/homepage/20260413-1449/primary/dist/assets/icons/abcloseicon.png	14 x 16 (0.88)	49 x 48 (1.02)

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 / Warning	Source
Unload event listeners are deprecated and will be removed.	us01ccistatic.zoom.us/us01cci/web-sdk/chat-client.js line 4, col 6778
SharedStorage	www.zoom.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
StorageType.persistent is deprecated. Please use standardized navigator.storage instead.	www.zoom.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
Fledge	www.zoom.com/cdn-cgi/challenge-platform/scripts/jsd/main.js

●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

●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 clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Detected JavaScript libraries

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.

Link destination	Link Text
www.zoom.com/en/products/ai-assistant/features/ai-note-taking/	Learn more
www.zoom.com/en/products/ai-assistant/	Learn more
www.zoom.com/en/customer-stories/major-league-baseball/	Read more

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.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg `div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg`
div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg `div.dropdowns-mobile > div.zdcm-module-footer-dropdown > button.zdcm-module-footer-dropdown__btn > img.zdcm-module-footer-dropdown__svg`
ul.utility-nav__list > li.utility-nav__item > a#ot-do-not-sell > img `ul.utility-nav__list > li.utility-nav__item > a#ot-do-not-sell > img`

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

Crawling and Indexing

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
Cookies Settings `div.utility-nav > ul.utility-nav__list > li.utility-nav__item > a.ot-sdk-show-settings`

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

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Document has a meta description

●Page has successful HTTP status code

●robots.txt is valid

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`