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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.

58

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
forward.com/wp-content/themes/studio-simpatico/fonts/Montserrat-Regular.woff20.0 ms64.9 KiB
forward.com/wp-content/themes/studio-simpatico/fonts/Merriweather-Regular.woff20.0 ms61.7 KiB
forward.com/wp-content/themes/studio-simpatico/fonts/Merriweather-Black.woff20.0 ms60.2 KiB
forward.com/wp-content/themes/studio-simpatico/fonts/Merriweather-Bold.woff20.0 ms59.8 KiB
console.adgrid.io/adgrid-build/forward-com/prebid.js?19358300.0 s62.3 KiB
/wp-content/cache/autoptimize/css/autoptimize_a8d960351ab...0.0 ms57.3 KiB
console.adgrid.io/adgrid-build/forward-com/revenue-grid-lib.js?19358300.0 s55.4 KiB
forward.com/wp-content/themes/studio-simpatico/fonts/MerriweatherSans-Bold.woff20.0 ms47.7 KiB
/wp-content/themes/studio-simpatico/fonts/MerriweatherSan...0.0 ms46.4 KiB
/wp-content/themes/studio-simpatico/fonts/MerriweatherSan...0.0 ms44.2 KiB
forward.com/wp-content/themes/studio-simpatico/js/jquery.min.js?ver=6.9.40.0 ms32.0 KiB
console.adgrid.io/adgrid-build/forward-com/revenue-grid.js300.0 s19.9 KiB
forward.com/wp-content/themes/studio-simpatico/fonts/ForwardFrankruhl-Bold.woff20.0 ms19.1 KiB
/wp-content/themes/studio-simpatico/fonts/ForwardFrankruh...0.0 ms18.7 KiB
/wp-content/themes/studio-simpatico/fonts/ForwardFrankruh...0.0 ms16.5 KiB
static.chartbeat.com/js/chartbeat.js7200.0 s16.1 KiB
static.chartbeat.com/js/subscriptions.js7200.0 s10.8 KiB
static.chartbeat.com/js/chartbeat_mab.js7200.0 s10.1 KiB
forward.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?14400.0 s10.9 KiB
forward.com/wp-content/themes/studio-simpatico/svgs/logo.svg0.0 ms4.5 KiB
/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312...86400.0 s10.7 KiB
forward.com/wp-content/plugins/perfmatters/vendor/fastclick/pmfastclick.min.js0.0 ms3.0 KiB
forward.com/wp-content/themes/studio-simpatico/svgs/icon-caret.svg0.0 ms1.1 KiB
forward.com/wp-content/themes/studio-simpatico/svgs/icon-caret-white.svg0.0 ms1.1 KiB
/wp-content/themes/studio-simpatico/svgs/fontawesome/bran...0.0 ms1.1 KiB
forward.com/wp-content/themes/studio-simpatico/svgs/icon-caret-gold.svg0.0 ms1022 B
/wp-content/themes/studio-simpatico/svgs/fontawesome/bran...0.0 ms917 B
/wp-content/themes/studio-simpatico/svgs/fontawesome/bran...0.0 ms777 B
/wp-content/themes/studio-simpatico/svgs/fontawesome/bran...0.0 ms776 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:0.126348] map[node:map[boundingRect:map[bottom:9652 height:9592 left:0 right:412 top:60 width:412] lhId:page-22-MAIN nodeLabel:The Forward JEWISH. INDEPENDENT. NONPROFIT. Featured Articles CULTURE Lena Dunh… path:1,HTML,1,BODY,37,MAIN selector:body.home > main#main snippet:<main id="main"> type:node] score:0.045059] map[node:map[boundingRect:map[bottom:9652 height:9592 left:0 right:412 top:60 width:412] lhId:page-22-MAIN nodeLabel:The Forward JEWISH. INDEPENDENT. NONPROFIT. Featured Articles CULTURE Lena Dunh… path:1,HTML,1,BODY,37,MAIN selector:body.home > main#main snippet:<main id="main"> type:node] score:0.045059] map[node:map[boundingRect:map[bottom:1366 height:717 left:20 right:392 top:648 width:372] lhId:page-16-UL nodeLabel:CULTURE Lena Dunham’s new memoir is the most millennial thing ever By Mira Fox … path:1,HTML,1,BODY,37,MAIN,2,SECTION,1,DIV,1,UL selector:main#main > section.hero > div.container > ul.left-column snippet:<ul class="left-column"> type:node] score:0.031767 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://forward.com/wp-content/themes/studio-simpatico/fonts/Merriweather-Bold.woff2]] map[cause:Web font extra:map[type:url value:https://forward.com/wp-content/themes/studio-simpatico/fonts/Merriweather-Black.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:1366 height:717 left:20 right:392 top:648 width:372] lhId:page-16-UL nodeLabel:CULTURE Lena Dunham’s new memoir is the most millennial thing ever By Mira Fox … path:1,HTML,1,BODY,37,MAIN,2,SECTION,1,DIV,1,UL selector:main#main > section.hero > div.container > ul.left-column snippet:<ul class="left-column"> type:node] score:0.004298 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://forward.com/wp-content/themes/studio-simpatico/fonts/MerriweatherSans-Regular.woff2]] map[cause:Web font extra:map[type:url value:https://forward.com/wp-content/themes/studio-simpatico/fonts/Merriweather-Regular.woff2]] map[cause:Web font extra:map[type:url value:https://forward.com/wp-content/themes/studio-simpatico/fonts/MerriweatherSans-Bold.woff2]] map[cause:Web font extra:map[type:url value:https://forward.com/wp-content/themes/studio-simpatico/fonts/ForwardFrankruhl-Bold.woff2]] map[cause:Web font extra:map[type:url value:https://forward.com/wp-content/themes/studio-simpatico/fonts/ForwardFrankruhl-Medium.woff2]] map[cause:Web font extra:map[type:url value:https://forward.com/wp-content/themes/studio-simpatico/fonts/MerriweatherSans-Italic.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:821 height:52 left:20 right:309 top:769 width:289] lhId:page-23-P nodeLabel:Support the Forward with a matched gift! path:1,HTML,1,BODY,39,FOOTER,0,DIV,34,DIV,0,DIV,0,P selector:div.container > div#donate-mobile-bar > div.mobile-map-content > p snippet:<p> type:node] score:0.000165 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/merriweather/v33/u-4e0qyriQwlOrhSvowK_l5UcA6zuSYEqOzpPe3HOZJ5eX1WtLaQwmYiSeqqJ-mXq1Gi.woff2]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/merriweather/v33/u-4e0qyriQwlOrhSvowK_l5UcA6zuSYEqOzpPe3HOZJ5eX1WtLaQwmYiSeqkJ-mXq1Gi3iE.woff2]]] type:subitems]]]

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
A pro-Palestinian student at the University of Michigan's commencement on May 0… ul.grid > li > a.post > img.attachment-featuredLarge
/cdn/image-resize/768x0/2024/09/4b4a09a5-9246-da28-214b-4...570.3 KiB564.5 KiB
A man dressed as Moses stands next to a sign supporting the Texas Ten Commandme… ul.grid > li > a.post > img.attachment-featuredLarge
/cdn/image-resize/768x0/2026/04/ten-commandments-alabama-...404.4 KiB399.5 KiB
Sarah Lawrence College in Bronxville, New York. ul.grid > li > a.post > img.attachment-featuredLarge
/cdn/image-resize/768x0/2026/04/sarah-lawrence-antisemiti...391.4 KiB386.5 KiB
Supersessionism is the Christian belief that Jesus has made Judaism obsolete, r… ul.grid > li.left-column > a.post > img.attachment-featuredLarge
/cdn/image-resize/768x0/2026/03/Untitled-design-2026-03-2...387.0 KiB374.3 KiB
Temple Beth-El in Great Neck, N.Y. ul.grid > li > a.post > img.attachment-featuredLarge
forward.com/cdn/image-resize/768x0/2026/04/Temple-Beth-El-exterior-1296x732.jpg377.6 KiB372.8 KiB
People in Tel Aviv celebrating Yom Ha'atzmaut, or Israeli Independence Day, on … ul.grid > li > a.post > img.attachment-featuredLarge
/cdn/image-resize/768x0/2026/04/yom-haatzmaut-israeli-ind...373.9 KiB369.1 KiB
Sibylle Maria Dordel in 'Die Passagierin.' div.container > div.divider > a.post > img.attachment-featuredLarge
/cdn/image-resize/768x0/2026/04/08-DNO-Die-Passagierin-Mo...371.6 KiB358.9 KiB
Lena Dunham, her new memoir, and a few of the memorable characters in it ul.left-column > li > a.post > img.attachment-featuredLarge
forward.com/cdn/image-resize/768x0/2026/04/By-Lena-Dunham-1-1296x732.jpg273.1 KiB260.4 KiB
Jason Rapert, founder of the National Association of Christian Lawmakers, testi… ul.grid > li > a.post > img.attachment-featuredLarge
forward.com/cdn/image-resize/768x0/2026/04/Untitled-design-7-1296x732.jpg227.7 KiB222.9 KiB
New York City Mayor Zohran Mamdani and Manhattan Borough President Brad Hoylman… ul.grid > li > a.post > img.attachment-featuredLarge
/cdn/image-resize/768x0/2026/04/GettyImages-2271327933-12...207.7 KiB202.8 KiB
Michigan Senate candidate Abdul El-Sayed on Feb. 21. ul.grid > li > a.post > img.attachment-featuredLarge
/cdn/image-resize/768x0/2026/04/GettyImages-2266649407-12...188.2 KiB183.3 KiB
The UCLA campus. ul.divider > li > a.post > img.attachment-medium
/wp-content/uploads/2026/04/ucla-hillel-hostage-omer-shem...96.5 KiB94.9 KiB
Sam Firstenberg, left, and an actor on the set of "Riverbend." The director's t… ul.divider > li > a.post > img.attachment-medium
forward.com/wp-content/uploads/2026/04/dCFcJE4g-1-copy-768x424.jpg84.6 KiB82.7 KiB
Harpo Marx, circa 1935. ul > li > a.post > img.attachment-featuredMedium
/wp-content/uploads/2026/04/GettyImages-109363540-1296x73...65.0 KiB59.6 KiB
President of Argentina Javier Milei at the main rehearsal of the 78th anniversa… ul.divider > li > a.post > img.attachment-medium
forward.com/wp-content/uploads/2026/04/milei-singing-768x427.jpg57.3 KiB55.4 KiB
The front page of the first issue of the Jewish Daily Forward from April 22, 18… ul.left-column > li > a.post > img.attachment-featuredLarge
forward.com/wp-content/uploads/2022/04/unnamed-7-e1650393082296.jpg70.1 KiB50.2 KiB

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-7-IMG
nodeLabel: Lena Dunham, her new memoir, and a few of the memorable characters in it
path: 1,HTML,1,BODY,37,MAIN,2,SECTION,1,DIV,1,UL,0,LI,0,A,0,IMG
selector: ul.left-column > li > a.post > img.attachment-featuredLarge
snippet: <img width="1296" height="732" src="https://forward.com/cdn/image-resize/768x0/2026/04/By-Lena-Dunham-1-1296x7…" class="attachment-featuredLarge size-featuredLarge wp-post-image" alt="Lena Dunham, her new memoir, and a few of the memorable characters in it" srcset="https://forward.com/cdn/image-resize/320x0/2026/04/By-Lena-Dunham-1-1296x7…" sizes=" (min-width: 1760px) 1040px, (min-width: 1500px) calc(54.17vw + 9…" decoding="async" pinger-seen="true">

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
value: no origins were preconnected
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

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.

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

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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
The Forward JEWISH. INDEPENDENT. NONPROFIT. Featured Articles CULTURE Lena Dunh… body.home > main#main
0.045
The Forward JEWISH. INDEPENDENT. NONPROFIT. Featured Articles CULTURE Lena Dunh… body.home > main#main
0.045
CULTURE Lena Dunham’s new memoir is the most millennial thing ever By Mira Fox … main#main > section.hero > div.container > ul.left-column
0.032
CULTURE Lena Dunham’s new memoir is the most millennial thing ever By Mira Fox … main#main > section.hero > div.container > ul.left-column
0.004
Support the Forward with a matched gift! div.container > div#donate-mobile-bar > div.mobile-map-content > p
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.

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 310 ms 51.5 KiB
URLTransfer SizeEst Savings
/wp-content/cache/autoptimize/css/autoptimize_a8d960351ab...56.8 KiB51.5 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 Evaluation2.7 s
Other1.1 s
Style & Layout849 ms
Script Parsing & Compilation393 ms
Rendering160 ms
Parse HTML & CSS124 ms
Garbage Collection44 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 was evicted from the cache because an active network connection received too much data. Chrome limits the amount of data that a page may receive while cached.Not actionable

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

Document request latency
Optimize DOM size
Font display
Forced reflow
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 5 user timings
Avoid long main-thread tasks 20 long tasks found
Image elements have explicit `width` and `height`
Network Requests
Network Round Trip Times 20 ms
Server Backend Latencies 40 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Avoid multiple page redirects
Initial server response time was short Root document took 20 ms
INP breakdown
Avoid non-composited animations
75

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.

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
header > div.container > div.left > button.mobile-menu header > div.container > div.left > button.mobile-menu

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
section.hero > div.container > ul.divider > a.fast-forward-ad section.hero > div.container > ul.divider > a.fast-forward-ad
ul.grid > li.right-column > div.banners > a ul.grid > li.right-column > div.banners > a
ul.grid > li.divider > div.banners > a ul.grid > li.divider > div.banners > a
ul.grid > li.divider > div.banners > a ul.grid > li.divider > div.banners > 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.

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
min read div.flex-container > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
< 1 div.meta > span > span.span-reading-time > span.rt-time
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
< 1 div.meta > span > span.span-reading-time > span.rt-time
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
< 1 div.meta > span > span.span-reading-time > span.rt-time
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
< 1 div.meta > span > span.span-reading-time > span.rt-time
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label
min read div.meta > span > span.span-reading-time > span.rt-label

These are opportunities to improve the legibility of your content.

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
FAST FORWARD A lost film by Israeli B-movie director Sam Firstenberg gets a new… main#main > section.hero > div.container > ul.divider

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-hidden="true"]` is not present on the document `<body>`
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.
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.
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Skip links are focusable.
Document has a main landmark.
ARIA IDs are unique
`[accesskey]` values are unique
`[aria-*]` attributes match their roles
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Deprecated ARIA roles were not used
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements use only permitted ARIA attributes
`[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
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
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
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
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
No element has a `[tabindex]` value greater than 0
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.
81

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
SharedStorage
StorageType.persistent is deprecated. Please use standardized navigator.storage instead.
Fledge
Uses HTTPS
Avoids third-party cookies
Allows users to paste into input fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Page has the HTML doctype
Properly defines charset
No browser errors logged to the console
No issues in the `Issues` panel in Chrome Devtools
Ensure CSP is effective against XSS attacks
Use a strong HSTS policy
Ensure proper origin isolation with COOP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Page has valid source maps
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
92

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

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
Page has successful HTTP status code
Links have descriptive text
Links are crawlable
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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