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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.

68

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
www.cia.gov/static/45ea7dd1005ab17954c801e9575bb7ae/41aff/ohb.jpg0.0 ms1.0 MiB
/static/6de8017e6860717223c62f26e2db7f18/828a3/hero-ohb-d...0.0 ms194.7 KiB
www.cia.gov/static/19d99e5def8deaaf9b036d799503ad9d/e4d88/e-st-hq.png0.0 ms124.1 KiB
/static/e3eafc458bcce1ce06120748fb6f747e/3622f/washington...0.0 ms105.7 KiB
www.cia.gov/component---src-templates-page-js-515ef423c2c2e5884bd6.js0.0 ms99.3 KiB
www.cia.gov/static/67fda24b743cedfd66408e04eebe4656/828a3/hero-OHB-flowers.webp0.0 ms91.4 KiB
/static/5ae01395df6cf4e9b0d9ddace7ee910e/34e0f/Stories-Re...0.0 ms90.7 KiB
www.cia.gov/static/57d5b076917927af48aebdf5e4838124/a01b7/cia-seal-2661.webp0.0 ms82.7 KiB
/static/917276a01d7635dcd400116220c736e3/34e0f/Stories-Th...0.0 ms81.9 KiB
www.cia.gov/static/90990c1a7a5072bc788f222e6bf28fb8/34e0f/ask-molly-card.jpg0.0 ms72.5 KiB
www.cia.gov/static/45ea7dd1005ab17954c801e9575bb7ae/2a42b/ohb.webp0.0 ms71.8 KiB
www.cia.gov/static/GT-Sectra-Fine-Bold-23b3344434247f9eb8cabd9f5e923ee3.woff20.0 ms69.7 KiB
/static/2662eea55a23cdea4ce8c6dd6566201b/4f03f/glyph-stor...0.0 ms63.1 KiB
www.cia.gov/commons-05cdedd53ab155243764.js0.0 ms56.9 KiB
www.cia.gov/framework-481beeb6bc5ccc2a4757.js0.0 ms45.2 KiB
www.cia.gov/static/PublicSans-Bold-a239fb971af47134c0c330b3d38f8288.woff0.0 ms41.4 KiB
www.cia.gov/static/PublicSans-Light-05ff7d7149c9a6d61fc10c3842f14215.woff0.0 ms41.2 KiB
www.cia.gov/static/GT-America-Mono-Bold-5cb65dbcadbc053b4803a3de9e5204a1.woff20.0 ms35.8 KiB
www.cia.gov/static/PublicSans-Bold-c5f1403759929abd85bf95108c08b4ac.woff20.0 ms33.5 KiB
www.cia.gov/static/a70df259deaaad2419ce49da6d04ee37/828a3/hero-a-12-final.webp0.0 ms31.9 KiB
www.cia.gov/9732ccd59472190f98e17ef880683c74ce62c2d0-f876f95473acd3d1a933.js0.0 ms31.0 KiB
www.cia.gov/b637e9a5-e830966c7b78245dccc9.js0.0 ms30.5 KiB
www.cia.gov/static/PublicSans-ExtraBold-06e2dc3ec7db555110e527b86b93d913.woff20.0 ms30.2 KiB
www.cia.gov/app-62ee185fab1316a9cd60.js0.0 ms27.9 KiB
www.cia.gov/108-2b0f895ed536225b58f0.js0.0 ms23.3 KiB
www.cia.gov/static/Freedom250seal_Gold-New.svg0.0 ms22.0 KiB
www.cia.gov/75fc9c18-ad310dbbcd6f2aca941e.js0.0 ms19.8 KiB
/static/e579b9ba030345df65e7381c8f235e88/27ab5/Glyph_Care...0.0 ms19.3 KiB
/static/4594d96987c6911ba1466b20937e1812/27ab5/Glyph_Lega...0.0 ms17.1 KiB
www.cia.gov/js2/verification.js43200.0 s29.7 KiB
www.cia.gov/static/24b7fa1828647e7843ed913dfdcaa628/57584/hero-dcia-potus.webp0.0 ms12.9 KiB
/static/cef0bf6bbf4826dc5e9aaddbbff9d990/2ad07/Glyphs_Mis...0.0 ms10.7 KiB
www.cia.gov/a9fedb7343c39ccfd5a7af28e95a1f6e89daa5e1-06dbc491140df87d5dfe.js0.0 ms7.3 KiB
www.cia.gov/js2/languages.js43200.0 s10.6 KiB
www.cia.gov/webpack-runtime-dcbe50b31e76953ec6aa.js0.0 ms3.2 KiB
www.cia.gov/js2/pubkey.js43200.0 s1.1 KiB

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.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLEst Savings
www.cia.gov/static/GT-Sectra-Fine-Bold-23b3344434247f9eb8cabd9f5e923ee3.woff2285 ms
www.cia.gov/static/PublicSans-Bold-a239fb971af47134c0c330b3d38f8288.woff240 ms
www.cia.gov/static/GT-America-Mono-Bold-5cb65dbcadbc053b4803a3de9e5204a1.woff2210 ms
www.cia.gov/static/PublicSans-Light-05ff7d7149c9a6d61fc10c3842f14215.woff165 ms
www.cia.gov/static/PublicSans-ExtraBold-06e2dc3ec7db555110e527b86b93d913.woff2130 ms
www.cia.gov/static/PublicSans-Bold-c5f1403759929abd85bf95108c08b4ac.woff2115 ms

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
div.swiper-slide > div.gatsby-image-wrapper > picture > img div.swiper-slide > div.gatsby-image-wrapper > picture > img
/static/6de8017e6860717223c62f26e2db7f18/828a3/hero-ohb-d...194.2 KiB138.3 KiB
div.card-dark-container > div.card-dark > div.card-dark__image-container > div.background-image div.card-dark-container > div.card-dark > div.card-dark__image-container > div.background-image
/static/5ae01395df6cf4e9b0d9ddace7ee910e/34e0f/Stories-Re...90.2 KiB70.6 KiB
div.col-sm-12 > div.gatsby-image-wrapper > picture > img div.col-sm-12 > div.gatsby-image-wrapper > picture > img
www.cia.gov/static/57d5b076917927af48aebdf5e4838124/a01b7/cia-seal-2661.webp82.1 KiB64.7 KiB
div.swiper-slide > div.gatsby-image-wrapper > picture > img div.swiper-slide > div.gatsby-image-wrapper > picture > img
www.cia.gov/static/67fda24b743cedfd66408e04eebe4656/828a3/hero-OHB-flowers.webp90.8 KiB62.3 KiB
div.card-dark-container > div.card-dark > div.card-dark__image-container > div.background-image div.card-dark-container > div.card-dark > div.card-dark__image-container > div.background-image
/static/917276a01d7635dcd400116220c736e3/34e0f/Stories-Th...81.3 KiB61.8 KiB
Decorative glyph for News and Stories. div.glyph-75 > div.gatsby-image-wrapper > picture > img
/static/2662eea55a23cdea4ce8c6dd6566201b/4f03f/glyph-stor...62.6 KiB61.3 KiB
div.fade-in-section > div.gatsby-image-wrapper > picture > img div.fade-in-section > div.gatsby-image-wrapper > picture > img
www.cia.gov/static/45ea7dd1005ab17954c801e9575bb7ae/2a42b/ohb.webp71.3 KiB54.1 KiB
div.card-dark-container > div.card-dark > div.card-dark__image-container > div.background-image div.card-dark-container > div.card-dark > div.card-dark__image-container > div.background-image
www.cia.gov/static/90990c1a7a5072bc788f222e6bf28fb8/34e0f/ask-molly-card.jpg71.9 KiB52.3 KiB
div.swiper-slide > div.gatsby-image-wrapper > picture > img div.swiper-slide > div.gatsby-image-wrapper > picture > img
www.cia.gov/static/a70df259deaaad2419ce49da6d04ee37/828a3/hero-a-12-final.webp31.4 KiB21.5 KiB
Decorative glyph for Careers. div.glyph-75 > div.gatsby-image-wrapper > picture > img
/static/e579b9ba030345df65e7381c8f235e88/27ab5/Glyph_Care...18.8 KiB17.2 KiB
div.glyph-75 > div.gatsby-image-wrapper > picture > img div.glyph-75 > div.gatsby-image-wrapper > picture > img
/static/4594d96987c6911ba1466b20937e1812/27ab5/Glyph_Lega...16.5 KiB15.1 KiB

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
www.cia.gov/http/1.1
www.cia.gov/js2/pubkey.jshttp/1.1
www.cia.gov/js2/verification.jshttp/1.1
www.cia.gov/manifest.webmanifesthttp/1.1
www.cia.gov/static/Freedom250seal_Gold-New.svghttp/1.1
www.cia.gov/webpack-runtime-dcbe50b31e76953ec6aa.jshttp/1.1
www.cia.gov/framework-481beeb6bc5ccc2a4757.jshttp/1.1
www.cia.gov/app-62ee185fab1316a9cd60.jshttp/1.1
www.cia.gov/js2/languages.jshttp/1.1
www.cia.gov/?mode=rawhttp/1.1
www.cia.gov/static/45ea7dd1005ab17954c801e9575bb7ae/41aff/ohb.jpghttp/1.1
www.cia.gov/static/PublicSans-Light-05ff7d7149c9a6d61fc10c3842f14215.woffhttp/1.1
www.cia.gov/static/GT-America-Mono-Bold-5cb65dbcadbc053b4803a3de9e5204a1.woff2http/1.1
www.cia.gov/static/PublicSans-Bold-c5f1403759929abd85bf95108c08b4ac.woff2http/1.1
www.cia.gov/static/GT-Sectra-Fine-Bold-23b3344434247f9eb8cabd9f5e923ee3.woff2http/1.1
www.cia.gov/static/PublicSans-Bold-a239fb971af47134c0c330b3d38f8288.woffhttp/1.1
www.cia.gov/static/PublicSans-ExtraBold-06e2dc3ec7db555110e527b86b93d913.woff2http/1.1
www.cia.gov/static/19d99e5def8deaaf9b036d799503ad9d/e4d88/e-st-hq.pnghttp/1.1
www.cia.gov/static/90990c1a7a5072bc788f222e6bf28fb8/34e0f/ask-molly-card.jpghttp/1.1
/static/917276a01d7635dcd400116220c736e3/34e0f/Stories-Th...http/1.1
/static/5ae01395df6cf4e9b0d9ddace7ee910e/34e0f/Stories-Re...http/1.1
/static/e3eafc458bcce1ce06120748fb6f747e/3622f/washington...http/1.1
www.cia.gov/static/45ea7dd1005ab17954c801e9575bb7ae/2a42b/ohb.webphttp/1.1
www.cia.gov/static/67fda24b743cedfd66408e04eebe4656/828a3/hero-OHB-flowers.webphttp/1.1
/static/6de8017e6860717223c62f26e2db7f18/828a3/hero-ohb-d...http/1.1
www.cia.gov/static/a70df259deaaad2419ce49da6d04ee37/828a3/hero-a-12-final.webphttp/1.1
www.cia.gov/static/24b7fa1828647e7843ed913dfdcaa628/57584/hero-dcia-potus.webphttp/1.1
/static/cef0bf6bbf4826dc5e9aaddbbff9d990/2ad07/Glyphs_Mis...http/1.1
/static/e579b9ba030345df65e7381c8f235e88/27ab5/Glyph_Care...http/1.1
/static/4594d96987c6911ba1466b20937e1812/27ab5/Glyph_Lega...http/1.1
www.cia.gov/static/57d5b076917927af48aebdf5e4838124/a01b7/cia-seal-2661.webphttp/1.1
/static/2662eea55a23cdea4ce8c6dd6566201b/4f03f/glyph-stor...http/1.1
www.cia.gov/page-data/app-data.jsonhttp/1.1
www.cia.gov/page-data/index/page-data.jsonhttp/1.1
www.cia.gov/b637e9a5-e830966c7b78245dccc9.jshttp/1.1
www.cia.gov/75fc9c18-ad310dbbcd6f2aca941e.jshttp/1.1
www.cia.gov/commons-05cdedd53ab155243764.jshttp/1.1
www.cia.gov/9732ccd59472190f98e17ef880683c74ce62c2d0-f876f95473acd3d1a933.jshttp/1.1
www.cia.gov/a9fedb7343c39ccfd5a7af28e95a1f6e89daa5e1-06dbc491140df87d5dfe.jshttp/1.1
www.cia.gov/component---src-templates-page-js-515ef423c2c2e5884bd6.jshttp/1.1
www.cia.gov/page-data/sq/d/1968342175.jsonhttp/1.1
www.cia.gov/page-data/sq/d/2162822743.jsonhttp/1.1
www.cia.gov/page-data/sq/d/235153439.jsonhttp/1.1
www.cia.gov/page-data/sq/d/2517911328.jsonhttp/1.1
www.cia.gov/page-data/sq/d/2624372690.jsonhttp/1.1
www.cia.gov/page-data/sq/d/3439559944.jsonhttp/1.1
www.cia.gov/page-data/sq/d/3542687331.jsonhttp/1.1
www.cia.gov/page-data/sq/d/3912119343.jsonhttp/1.1
www.cia.gov/page-data/sq/d/4279206597.jsonhttp/1.1
www.cia.gov/page-data/sq/d/493428172.jsonhttp/1.1
www.cia.gov/page-data/sq/d/800385335.jsonhttp/1.1
www.cia.gov/108-2b0f895ed536225b58f0.jshttp/1.1
www.cia.gov/favicon-32x32.png?v=12edb9d66324be08b1c8b4459e6e6058http/1.1
www.cia.gov/icons/icon-144x144.png?v=12edb9d66324be08b1c8b4459e6e6058http/1.1

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.

URLTransfer SizeDuration
www.cia.gov/js2/verification.js29.7 KiB647 ms
www.cia.gov/js2/pubkey.js1.1 KiB197 ms

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: 854 ms
URLTime Spent
cia.gov/854 ms
www.cia.gov/0.0 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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 4.3 KiB
URLTransfer SizeEst Savings
www.cia.gov/js2/languages.js9.9 KiB4.3 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 130 ms 131.2 KiB
URLTransfer SizeEst Savings
www.cia.gov/component---src-templates-page-js-515ef423c2c2e5884bd6.js98.6 KiB60.7 KiB
www.cia.gov/commons-05cdedd53ab155243764.js56.3 KiB26.9 KiB
www.cia.gov/b637e9a5-e830966c7b78245dccc9.js29.9 KiB22.7 KiB
www.cia.gov/js2/verification.js29.0 KiB20.9 KiB

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
Other1.3 s
Script Evaluation941 ms
Style & Layout529 ms
Rendering188 ms
Script Parsing & Compilation137 ms
Parse HTML & CSS124 ms
Garbage Collection2.3 ms

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 54.1 KiB
URLTransfer SizeEst Savings
.background-white.search{padding-top:10px} …61.9 KiB54.1 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
www.cia.gov/static/45ea7dd1005ab17954c801e9575bb7ae/41aff/ohb.jpg1.0 MiB
/static/6de8017e6860717223c62f26e2db7f18/828a3/hero-ohb-d...194.7 KiB
www.cia.gov/static/19d99e5def8deaaf9b036d799503ad9d/e4d88/e-st-hq.png124.1 KiB
/static/e3eafc458bcce1ce06120748fb6f747e/3622f/washington...105.7 KiB
www.cia.gov/component---src-templates-page-js-515ef423c2c2e5884bd6.js99.3 KiB
www.cia.gov/94.5 KiB
www.cia.gov/?mode=raw94.2 KiB
www.cia.gov/static/67fda24b743cedfd66408e04eebe4656/828a3/hero-OHB-flowers.webp91.4 KiB
/static/5ae01395df6cf4e9b0d9ddace7ee910e/34e0f/Stories-Re...90.7 KiB
www.cia.gov/static/57d5b076917927af48aebdf5e4838124/a01b7/cia-seal-2661.webp82.7 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
div.d-flex > h2.glyph-col > div.glyph-195 > img div.d-flex > h2.glyph-col > div.glyph-195 > img
www.cia.gov/static/Freedom250seal_Gold-New.svg

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

●Layout shift culprits
●Optimize DOM size
●Forced reflow
●LCP breakdown
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 1 user timing
●JavaScript execution time 1.0 s
●Avoid long main-thread tasks 7 long tasks found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 90 ms
●Server Backend Latencies 50 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 110 ms
●Avoid large layout shifts 3 layout shifts found
○INP breakdown
○LCP request discovery
○Avoid non-composited animations
96

Accessibility

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

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
SEARCH CIA.GOV footer > div.footer-nav_policies > div.footer_policies-wrapper > a.footer_policies-link
SITE POLICIES footer > div.footer-nav_policies > div.footer_policies-wrapper > a.footer_policies-link
PRIVACY footer > div.footer-nav_policies > div.footer_policies-wrapper > a.footer_policies-link
NO FEAR ACT footer > div.footer-nav_policies > div.footer_policies-wrapper > a.footer_policies-link
EEO footer > div.footer-nav_policies > div.footer_policies-wrapper > a.footer_policies-link
INSPECTOR GENERAL footer > div.footer-nav_policies > div.footer_policies-wrapper > a.footer_policies-link
USA.GOV footer > div.footer-nav_policies > div.footer_policies-wrapper > a.footer_policies-link
SITEMAP footer > div.footer-nav_policies > div.footer_policies-wrapper > a.footer_policies-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
LEARN ABOUT US div.row > div.col-sm-12 > div.overview-content > a.button
READ MORE div.fade-in-section > div.card-dark-container > div.card-dark > a.card-wrapper
READ MORE div.fade-in-section > div.card-dark-container > div.card-dark > a.card-wrapper
READ MORE div.fade-in-section > div.card-dark-container > div.card-dark > a.card-wrapper
EXPLORE ALL STORIES div.container > div.row > div.col-md-12 > a.button
LEARN MORE div > div.overview-content > div.w-100 > a.button
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-*]` attributes match their roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Image elements have `[alt]` attributes
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●`button`, `link`, and `menuitem` elements have accessible names
●ARIA attributes are used as specified for the element's role
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●Background and foreground colors have a sufficient contrast ratio
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links have a discernible name
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●No element has a `[tabindex]` value greater than 0
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●All heading elements contain content.
○`[accesskey]` values are unique
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
○`[role]`s are contained by their required parent element
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<frame>` or `<iframe>` elements have a title
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○Form elements have associated labels
○Links are distinguishable without relying on color.
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○Uses ARIA roles only on compatible elements
○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.
100

Best Practices

●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
●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
●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
○Use a strong HSTS policy
○Mitigate clickjacking with XFO or CSP
82

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.

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 destinationLink Text
www.cia.gov/stories/story/ask-molly-american-civil-war-sites-around-cia-campus/READ MORE
/stories/story/the-real-star-wars-a-cosmic-race-and-a-spa...READ MORE
www.cia.gov/stories/story/revolutionary-spymaster-benjamin-tallmadge/READ MORE
www.cia.gov/freedom-250/LEARN MORE

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 are crawlable
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
○robots.txt is valid
○Document has a valid `rel=canonical`

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