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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.

32

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
/v1/imgs/a38/a90/653bd5f5a85864fd1a49a48d7c3ce0d504-yeste...86400.0 s1.6 MiB
cdn.concert.io/lib/concert-ads/v2-latest/concert_ads.js3600.0 s104.3 KiB
c.amazon-adsystem.com/aax2/apstag.js3600.0 s90.9 KiB
/v1/imgs/e32/29c/988f868a6abf2826ff104ea9744d7d1fdd-olivi...86400.0 s145.0 KiB
/v1/imgs/d45/6c0/8956bff882c71d26d51240804f0173c480-jerry...86400.0 s142.2 KiB
/v1/imgs/b4a/fe0/5c7d554165d6231b2b1b3b715f78a173f8-arian...86400.0 s141.4 KiB
/v1/imgs/422/eb7/96c19247754e012333db1a59cb39df5308-olivi...86400.0 s123.5 KiB
/v1/imgs/f64/847/60b82541f73fa5aaa79604ec1d9dbc8b53-snl-f...86400.0 s118.1 KiB
/v1/imgs/f4a/40e/36a76a878179755e202fc582c625836b83-madon...86400.0 s117.6 KiB
/v1/imgs/9ab/20f/3c1dc60f8ec76656188618d1dfd66dda59-taskm...86400.0 s111.9 KiB
btloader.com/tag?o=6315858775244800&upapi=true300.0 s36.8 KiB
assets.zephr.com/zephr-browser/1.9.1/zephr-browser.umd.js0.0 ms34.0 KiB
pub.doubleverify.com/dvtag/21236410/DV464041/pub.js900.0 s33.6 KiB
fonts.nymag.com/elderkin/Elderkin.woff20.0 ms21.0 KiB
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js900.0 s21.7 KiB
/v1/imgs/344/c8a/22f5b9b1ae614249269be5eb88a84f70ae-pat-t...86400.0 s42.9 KiB
/v1/imgs/2b1/010/f469cf263fdca61a1010f6546400e064d0-stass...86400.0 s37.0 KiB
/v1/imgs/506/276/52e91f11eb8684a34c8086aa61b0a2e8c4-titan...86400.0 s36.5 KiB
/v1/imgs/755/1a5/fb71dced788f5ca8d0c40530a92a200adc-lena-...86400.0 s31.4 KiB
/v1/imgs/5e3/a90/e49fd407e99d01a905cbecd32f3a61d2fe-matil...86400.0 s29.4 KiB
/v1/imgs/0d5/1ba/fa82c0a0371f30fa518ad8204813540494-Falle...86400.0 s28.1 KiB
/v1/imgs/aee/c0d/37d25d8ebecdcfb4f34e0af87eefbfc223-5unde...86400.0 s26.7 KiB
/v1/imgs/89b/1d2/101c8559bb11cccb42364622c4308d2020-Janet...86400.0 s26.6 KiB
/v1/imgs/f72/e12/302df6d93aa3ab264c43650feeb5468c1c-proof...86400.0 s25.3 KiB
/v1/imgs/3d3/b93/7a0f9716ba86a6c0fa6bd7a87860dc5eed-peter...86400.0 s23.2 KiB
/v1/imgs/0ed/034/fd6e365317bbc7a55fc642d3a653b428ae-zaynm...86400.0 s23.2 KiB
/v1/imgs/36d/51e/22bbc0db97f4f4dc498149793d4019d8de-malco...86400.0 s23.0 KiB
/v1/imgs/139/a97/45bbee00e55f37f2c4c5b60ade88aad123-dogda...86400.0 s23.0 KiB
/v1/imgs/bb3/ab4/c16825c76393530320498ad82b21f443f2-d4vd-...86400.0 s22.8 KiB
/v1/imgs/01a/257/221520cb41b46f9a83794b644fb3d1dc35-15-so...86400.0 s21.7 KiB
/v1/imgs/5ed/978/603487c2f4419857815b7a11bf42b9b133-west-...86400.0 s21.5 KiB
/v1/imgs/e89/d7c/074a6289fd43493668c647654a39a312f1-cinem...86400.0 s20.4 KiB
/v1/imgs/e0e/db4/05a79f1a881e25072e2fbd80e56b4fb372-taylo...86400.0 s20.3 KiB
/v1/imgs/dd3/164/3ef90318a624bf09780d01eaf5a22d1d26-natal...86400.0 s20.3 KiB
/v1/imgs/93b/4b0/7223a5d13dd1e658bc9fe1f5e4362df2fe-29-st...86400.0 s19.0 KiB
/v1/imgs/1b5/7d9/29b8f07497f7d6716233e2f6fc0c913763-theho...86400.0 s18.5 KiB
/v1/imgs/7ae/15c/9cf87ee16779be3cf1f294699dfa092bc2-fames...86400.0 s17.9 KiB
/v1/imgs/2ce/f47/ea2fa425965f2d3044997724439beddd6d-popcu...86400.0 s17.4 KiB
public.profitwell.com/js/profitwell.js?auth=2d1c024c7e0c8a7449a9e35d2b494e7b14400.0 s9.7 KiB
/v1/imgs/5a1/fc6/e4d650ba7edf4c3be5cd5b0cd6df675560-strea...86400.0 s16.3 KiB
/v1/imgs/0a3/7e9/2ad3c46580d3ca69f3e82b8868341f33fa-billi...86400.0 s15.9 KiB
/v1/imgs/939/637/1031a744c4b51547c97b6befa3c53bd863-reggi...86400.0 s15.7 KiB
/v1/imgs/745/ddb/e22def68941b7b62f679ba1cbc2faaaaaa-zara-...86400.0 s15.7 KiB
/v1/imgs/307/c6a/11458d461fb3b56ff570aebd03d5a7d755-bigmi...86400.0 s15.6 KiB
/v1/imgs/4db/da5/68d3dfe944bcf5b4b34d2e45738138befd-Bang-...86400.0 s15.2 KiB
/v1/imgs/5fb/34d/1174ee0c6dc24b5fc3ee523b16961cadf3-rebel...86400.0 s15.1 KiB
/v1/imgs/6ef/64f/0ebea3c48ccbb5d67a5adadebed70d1056-zayn-...86400.0 s14.9 KiB
/v1/imgs/013/f08/d63c2400f0e0b6d66218d2101e0de12411-charl...86400.0 s14.7 KiB
/v1/imgs/d62/ede/e806feaa6524358725dfe57b5186b1e813-hacks...86400.0 s14.2 KiB
/v1/imgs/5b8/70b/77c9b5369dda491ae25e5daafd030c99f4-Carav...86400.0 s13.7 KiB
/v1/imgs/95a/647/dd790fb0401fcd3543ff3adf8b77fbb9d2-Pract...86400.0 s13.5 KiB
/v1/imgs/665/007/2f08023beec7eb33deae492eb65488870a-Peter...86400.0 s13.1 KiB
/v1/imgs/057/c74/c16064e45a218fb5310d1525a3bcffe772-Devin...86400.0 s12.6 KiB
/v1/imgs/7c2/ae4/9ef1900c24cf430da95962a2bbee329a2a-megan...86400.0 s12.5 KiB
/v1/imgs/e32/415/f928d8141e4fcf3585aabc6d811077f627-disne...86400.0 s12.2 KiB
/v1/imgs/0d6/492/b8d6b94e2fd614b107309a3466b3fa27e8-fear1...86400.0 s11.9 KiB
/v1/imgs/e54/337/316e7878a7b3fa79ebe84f9ea69bb753d1-lette...86400.0 s11.9 KiB
/v1/imgs/37c/1dd/c7ba410b0bbdefc167ee04f8391d8e4e5b-nicol...86400.0 s11.6 KiB
/v1/imgs/66c/80c/f4d001fe3a28cd796538c1afcc0d707a9c-blueh...86400.0 s11.5 KiB
/v1/imgs/d2c/7c1/e02d068cbbdc6f5937617ab7a48e9e238c-chris...86400.0 s10.9 KiB
/v1/imgs/ce1/6ad/7e2aa8ded24bbbdcf1c093e249e82bab92-catsb...86400.0 s10.6 KiB
/v1/imgs/f28/b5a/96ffd11d0282f88d38a2b55861fcedbb3d-0O2A9...86400.0 s10.3 KiB
/v1/imgs/851/362/97add7efeb8fc527841fbdd2453b057e1d-color...86400.0 s9.9 KiB
config.aps.amazon-adsystem.com/configs/31763600.0 s4.5 KiB
sb.scorecardresearch.com/internal-cs/default/beacon-and.js86400.0 s7.8 KiB
/v1/imgs/56a/117/f28c995a3ef22b151687c1b1913fdf580d-pink-...86400.0 s3.8 KiB
assets.nymag.com/media/components/most-popular/most-popular-vulture-title.svg0.0 ms1.5 KiB
/v1/imgs/34e/82b/ab0f2694456c3f03e4c987600513d49702-coach...86400.0 s3.2 KiB
/v1/imgs/081/6e0/3a1ccc576bbe68a83746468a5cc3b5ee59-Rache...86400.0 s2.6 KiB
/v1/imgs/6f1/99a/c89ca320b45810c04c8636adb2dd8db24d-ciara...86400.0 s2.3 KiB
/v1/imgs/b7d/b02/4191c9959e85a6021a635263effebc8ca1-kenki...86400.0 s2.2 KiB
/v1/imgs/0df/be5/fc06ff3b30c2fd27dcb4cd1916313f1e65-bob-k...86400.0 s2.0 KiB
/v1/imgs/4a4/051/00e1c2c8f71ecbcde5a0b2105bf8767277-Isa-B...86400.0 s1.9 KiB
/v1/imgs/53a/e80/f496ff9c1ba9fe7322691f9cb5a0f75781-death...86400.0 s1.6 KiB
/v1/imgs/9b9/5ab/028ff74b23e8bebb1e27a6a98d7bcbb591-benah...86400.0 s1.4 KiB
assets.nymag.com/media/sites/vulture/vulture-arrow-simple.svg0.0 ms566 B
assets.nymag.com/media/components/customer-alert-banner/double_chevron.svg0.0 ms544 B
assets.nymag.com/media/components/customer-alert-banner/alert.svg0.0 ms511 B
assets.nymag.com/media/sites/vulture/squiggle-hr.svg0.0 ms505 B
apps.voxmedia.com/ad-block-detect/test_ads_prebid_blocker.js0.0 ms378 B
assets.nymag.com/media/components/customer-alert-banner/close_x.svg0.0 ms335 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:0.21998600000000001] map[node:map[boundingRect:map[bottom:655 height:223 left:20 right:392 top:433 width:372] lhId:page-6-DIV nodeLabel:ON THAT NOTE ‘Do You Think Donald Trump Could Make Peace With New Order?’ Negot… path:1,HTML,2,BODY,3,MAIN,0,DIV,0,DIV,0,DIV,0,SECTION,1,DIV selector:div.container-lede > div.collection-articles-lede_first-featured > section.lede-item > div.lede-text-wrap snippet:<div class="lede-text-wrap has-rubric long"> type:node] score:0.219839] map[node:map[boundingRect:map[bottom:154 height:16 left:214 right:295 top:138 width:81] lhId:page-1-LI nodeLabel:The Forsytes path:1,HTML,2,BODY,1,HEADER,0,DIV,0,DIV,5,DIV,0,DIV,1,UL,1,LI selector:div.hot-topics > div.scroll-wrap > ul.items > li.item snippet:<li class="item"> type:node] score:0.000147]]

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.

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:2.015 source:map[column:1138 line:10365 type:source-location url:https://www.vulture.com/ 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:87.888 source:map[type:text value:[unattributed]]] map[reflowTime:1.796 source:map[column:264 line:9744 type:source-location url:https://www.vulture.com/ urlProvider:network]] map[reflowTime:5.016 source:map[column:693 line:10342 type:source-location url:https://www.vulture.com/ urlProvider:network]] map[reflowTime:11.126 source:map[column:1039 line:10344 type:source-location url:https://www.vulture.com/ urlProvider:network]] map[reflowTime:2.015 source:map[column:1198 line:9644 type:source-location url:https://www.vulture.com/ urlProvider:network]] map[reflowTime:0.18 source:map[column:1721 line:9644 type:source-location url:https://www.vulture.com/ urlProvider:network]] map[reflowTime:0.429 source:map[column:88394 line:1 type:source-location url:https://pub.doubleverify.com/dvtag/21236410/DV464041/pub.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: section.lede-item > div.lede-image-wrap > picture.lede-image > img
path: 1,HTML,2,BODY,3,MAIN,0,DIV,0,DIV,0,DIV,0,SECTION,0,DIV,0,PICTURE,5,IMG
selector: section.lede-item > div.lede-image-wrap > picture.lede-image > img
snippet: <img src="https://pyxis.nymag.com/v1/imgs/665/007/2f08023beec7eb33deae492eb65488870a…" alt="">

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
value: No additional origins are good candidates for preconnecting

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
div.story-div > div.image-wrapper > picture.story-image > img div.story-div > div.image-wrapper > picture.story-image > img
/v1/imgs/344/c8a/22f5b9b1ae614249269be5eb88a84f70ae-pat-t...42.8 KiB33.0 KiB
li.feed-item > div.feed-image-wrap > picture.feed-image > img li.feed-item > div.feed-image-wrap > picture.feed-image > img
/v1/imgs/01a/257/221520cb41b46f9a83794b644fb3d1dc35-15-so...21.6 KiB17.4 KiB
li.feed-item > div.feed-image-wrap > picture.feed-image > img li.feed-item > div.feed-image-wrap > picture.feed-image > img
/v1/imgs/2ce/f47/ea2fa425965f2d3044997724439beddd6d-popcu...17.3 KiB14.2 KiB
div.article-wrap > div.article-img-wrapper > picture > img.article-img div.article-wrap > div.article-img-wrapper > picture > img.article-img
/v1/imgs/4db/da5/68d3dfe944bcf5b4b34d2e45738138befd-Bang-...15.0 KiB13.8 KiB
li.feed-item > div.feed-image-wrap > picture.feed-image > img li.feed-item > div.feed-image-wrap > picture.feed-image > img
/v1/imgs/5a1/fc6/e4d650ba7edf4c3be5cd5b0cd6df675560-strea...16.2 KiB13.2 KiB
li.feed-item > div.feed-image-wrap > picture.feed-image > img li.feed-item > div.feed-image-wrap > picture.feed-image > img
/v1/imgs/5fb/34d/1174ee0c6dc24b5fc3ee523b16961cadf3-rebel...15.0 KiB12.1 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: 782 ms
URLTime Spent
vulture.com/782 ms
www.vulture.com/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.

ElementLayout shift score
ON THAT NOTE ‘Do You Think Donald Trump Could Make Peace With New Order?’ Negot… div.container-lede > div.collection-articles-lede_first-featured > section.lede-item > div.lede-text-wrap
0.220
The Forsytes div.hot-topics > div.scroll-wrap > ul.items > li.item
0.000

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.

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 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 Evaluation3.7 s
Other1.5 s
Style & Layout762 ms
Script Parsing & Compilation541 ms
Rendering482 ms
Garbage Collection190 ms
Parse HTML & CSS188 ms

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 3.2 KiB
URLTransfer SizeEst Savings
inline: /******/ (function(modules) { // w…5.5 KiB3.2 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: 0.0 ms 33.0 KiB
URLTransfer SizeEst Savings
.ad_static,.ad_static.is-edit-mode{display:none} …45.4 KiB33.0 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
section.lede-item > div.lede-image-wrap > picture.lede-image > img section.lede-item > div.lede-image-wrap > picture.lede-image > img
/v1/imgs/665/007/2f08023beec7eb33deae492eb65488870a-Peter...
div.story-div > div.image-wrapper > picture.story-image > img div.story-div > div.image-wrapper > picture.story-image > img
/v1/imgs/344/c8a/22f5b9b1ae614249269be5eb88a84f70ae-pat-t...
The Real Housewives of Atlanta Recap: Fake Booties, Fake Vegans, and Fake Busin… a.feed-image-link > div.feed-image-wrap > picture.feed-image > img
The Real Housewives of Rhode Island Recap: Wrong Side of the Tracks a.feed-image-link > div.feed-image-wrap > picture.feed-image > img
section.lede-item > div.lede-image-wrap > picture.lede-image > img section.lede-item > div.lede-image-wrap > picture.lede-image > img
/v1/imgs/34e/82b/ab0f2694456c3f03e4c987600513d49702-coach...
Top Chef Recap: Dessert Storm a.feed-image-link > div.feed-image-wrap > picture.feed-image > img
Below Deck Down Under Recap: Breakup Cake a.feed-image-link > div.feed-image-wrap > picture.feed-image > img
The Comeback Recap: Not the End of the World a.feed-image-link > div.feed-image-wrap > picture.feed-image > img
Rooster Recap: Thanksgiving Breakup a.feed-image-link > div.feed-image-wrap > picture.feed-image > img
The Forsytes Recap: Panic at the Brokerage a.feed-image-link > div.feed-image-wrap > picture.feed-image > img
The Audacity Recap: Completely Typical a.feed-image-link > div.feed-image-wrap > picture.feed-image > img
Euphoria Recap: Tinseltown a.feed-image-link > div.feed-image-wrap > picture.feed-image > img

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

Optimize DOM size
LCP breakdown
Modern HTTP
Render blocking requests
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 10 user timings
Avoid long main-thread tasks 20 long tasks found
Avoid non-composited animations 1 animated element found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 50 ms
Server Backend Latencies 190 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 0 ms
INP breakdown
82

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

ARIA

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

Why this matters

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

Source: MDN Permissions-Policy

Failing Elements
div.container-sidebar > section.latest-feed_vulture-homepage > div.tabs > a#News-feed-title div.container-sidebar > section.latest-feed_vulture-homepage > div.tabs > a#News-feed-title

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

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.article-wrap > div.article-img-wrapper > picture > img.article-img div.article-wrap > div.article-img-wrapper > picture > img.article-img
div.article-wrap > div.article-img-wrapper > picture > img.article-img div.article-wrap > div.article-img-wrapper > picture > img.article-img

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.container-main > div.tv-recap-feed > div.read-more-wrapper > a.read-more-image div.container-main > div.tv-recap-feed > div.read-more-wrapper > a.read-more-image
div.container-rail > div.container-main > div.collection-articles_4-upcircles > a.title-image-link div.container-rail > div.container-main > div.collection-articles_4-upcircles > a.title-image-link
main.main > section.container-section > header.container-section-header > a.logo-wrapper main.main > section.container-section > header.container-section-header > a.logo-wrapper
main.main > section.container-section > header.container-section-header > a.logo-wrapper main.main > section.container-section > header.container-section-header > a.logo-wrapper
main.main > section.container-section > header.container-section-header > a.logo-wrapper main.main > section.container-section > header.container-section-header > a.logo-wrapper
main.main > section.container-section > header.container-section-header > a.logo-wrapper main.main > section.container-section > header.container-section-header > a.logo-wrapper
main.main > section.container-section > header.container-section-header > a.logo-wrapper main.main > section.container-section > header.container-section-header > a.logo-wrapper
main.main > section.container-section > header.container-section-header > a.logo-wrapper main.main > section.container-section > header.container-section-header > a.logo-wrapper
main.main > section.container-section > header.container-section-header > a.logo-wrapper main.main > section.container-section > header.container-section-header > a.logo-wrapper

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Tables and lists

Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
BOOK REVIEW Making Girls Made Lena Dunham Sick Her second book is her first wor… div.container-section-main > div.collection-articles_vulture-carousel > div.list-wrapper > ul.collection-articles-wrapper
THE YESTERYEAR ISSUE Jerry Saltz’s ’90s Slideshow “I knew nothing about photogr… div.container-section-main > div.collection-articles_vulture-carousel > div.list-wrapper > ul.collection-articles-wrapper

Screen readers require list items (`<li>`) to be contained within a parent `<ul>`, `<ol>` or `<menu>` to be announced properly. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
THE VOICE OF A GENERATION All the Gossip From Lena Dunham’s Famesick div.list-wrapper > ul.collection-articles-wrapper > div.carousel-stories-container > li.feed-item
CHAPTERS ‘He Was Genius About Sex’ div.list-wrapper > ul.collection-articles-wrapper > div.carousel-stories-container > li.feed-item
SECRET IDENTITY It Would Be Crazy If Your Brain Doctor Wrote The Housemaid div.list-wrapper > ul.collection-articles-wrapper > div.carousel-stories-container > li.feed-item
WELL READ Behold: The National Book Foundation’s ‘5 Under 35’ div.list-wrapper > ul.collection-articles-wrapper > div.carousel-stories-container > li.feed-item
THE YESTERYEAR ISSUE Jerry Saltz’s ’90s Art World div.list-wrapper > ul.collection-articles-wrapper > div.carousel-stories-container > li.feed-item
2026 PREVIEW 10 Art Shows We Can’t Wait to See in 2026 div.list-wrapper > ul.collection-articles-wrapper > div.carousel-stories-container > li.feed-item
ART REVIEW The Crazed Cataclysms of Nicole Eisenman div.list-wrapper > ul.collection-articles-wrapper > div.carousel-stories-container > li.feed-item
FURNITURE Bianca Censori Made Some Medical Sex-Dungeon Furniture div.list-wrapper > ul.collection-articles-wrapper > div.carousel-stories-container > li.feed-item

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

Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s are contained by their required parent element
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
ARIA attributes are used as specified for the element's role
Elements use only permitted ARIA attributes
Background and foreground colors have a sufficient contrast ratio
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.
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Document has a main landmark.
Deprecated ARIA roles were not used
ARIA IDs are unique
`[accesskey]` values are unique
`button`, `link`, and `menuitem` elements have accessible names
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements with the `role=text` attribute do not have focusable descendents.
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
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
`<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.
Identical links have the same purpose.
Elements with visible text labels have matching accessible names.
Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
`<td>` elements in a large `<table>` have one or more table headers.
96

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
section.lede-item > div.lede-image-wrap > picture.lede-image > img section.lede-item > div.lede-image-wrap > picture.lede-image > img
/v1/imgs/665/007/2f08023beec7eb33deae492eb65488870a-Peter...372 x 248380 x 253558 x 372
section.lede-item > div.lede-image-wrap > picture.lede-image > img section.lede-item > div.lede-image-wrap > picture.lede-image > img
/v1/imgs/34e/82b/ab0f2694456c3f03e4c987600513d49702-coach...95 x 9595 x 95143 x 143

General

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uses HTTPS
Avoids deprecated APIs
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
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

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.article-wrap > div.article-img-wrapper > picture > img.article-img div.article-wrap > div.article-img-wrapper > picture > img.article-img
div.article-wrap > div.article-img-wrapper > picture > img.article-img div.article-wrap > div.article-img-wrapper > picture > img.article-img

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

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Document has a meta description
Page has successful HTTP status code
Links have descriptive text
Links are crawlable
robots.txt is valid
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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