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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
www.fema.gov/sites/default/files/2026-03/fema_oea_bric-announcement-banner.jpg36712.0 s330.0 KiB
www.fema.gov/sites/default/files/graphics/fema_app-winter-small-feature.jpg40933.0 s211.8 KiB
/sites/default/files/2026-04/fema_sinlaku_cnmi-restoratio...426512.0 s389.9 KiB
/sites/default/files/photos/fema_sinlaku_guam-val-samarit...426512.0 s286.4 KiB
/sites/default/files/2026-03/fema_oea_homepage-banner_fif...282030.0 s221.3 KiB
/sites/default/files/css/css_jqQlonXWqA5vOSlkk-mrt3iTvtUb...430396.0 s149.2 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
/profiles/femad8_gov/themes/fema_uswds/fonts/source-sans-...5553.0 s20.3 KiB
/profiles/femad8_gov/themes/fema_uswds/fonts/source-sans-...5553.0 s20.1 KiB
www.fema.gov/sites/default/files/graphics/fema_flood_small_feature.jpg426512.0 s90.3 KiB
www.dhs.gov/xlibrary/graphics/ntas_05_noadvisories.svg193.0 s11.7 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/luxon.min.js?v=1.x37874.0 s20.7 KiB
www.fema.gov/modules/contrib/ableplayer/js/ableplayer.min.js?v=4.8.0407665.0 s68.7 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/datatables.min.js?v=1.x154260.0 s32.0 KiB
/Universal-Federated-Analytics-Min.js?agency=DHS&subagenc...0.0 ms9.5 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/js/uswds.min.js?v=1.x95392.0 s22.9 KiB
www.fema.gov/core/misc/ajax.js?v=11.3.644121.0 s16.8 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/dhs_seal.svg42372.0 s15.8 KiB
siteimproveanalytics.com/js/siteanalyze_6342107.js86400.0 s18.6 KiB
www.fema.gov/libraries/slick-carousel/slick/slick.min.js?v=1.x23098.0 s10.5 KiB
www.fema.gov/sites/default/files/graphics/fema_dr-4909-hi_small-feature.jpg278570.0 s32.0 KiB
s.go-mpulse.net/boomerang/A3WTK-PERZP-2W77L-XJ2AR-542NX604800.0 s59.7 KiB
www.fema.gov/core/misc/jquery.form.js?v=4.3.070711.0 s13.1 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/world-icon.png41133.0 s10.4 KiB
/sites/default/files/css/css_3tIuFBacKl4OxXDEQzl0iFWm6Rgu...430396.0 s34.7 KiB
dap.digitalgov.gov/web-vitals/dist/web-vitals.attribution.iife.js0.0 ms4.6 KiB
www.fema.gov/modules/contrib/responsive_tables_filter/js/tablesaw.js?v=1.x164112.0 s14.2 KiB
www.fema.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.0429691.0 s27.2 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/fema-logo-blue.svg132683.0 s10.7 KiB
www.fema.gov/sites/default/files/GetItOnGooglePlay_Badge_Web_color_English.png234391.0 s15.1 KiB
www.fema.gov/libraries/chosen/chosen.min.js?v=3.0.1156060.0 s8.6 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/fema_uswds.js?v=1.x55291.0 s5.2 KiB
www.fema.gov/sites/default/files/app_store_english.png139536.0 s7.2 KiB
www.fema.gov/core/misc/drupal.js?v=11.3.6123196.0 s6.3 KiB
www.fema.gov/modules/custom/wcm_survey/js/wcm_survey.js?v=1.x82103.0 s3.7 KiB
www.fema.gov/libraries/slick-carousel/slick/fonts/slick.woff609.0 s1.6 KiB
www.fema.gov/core/misc/position.js?v=11.3.6230599.0 s5.7 KiB
www.fema.gov/core/misc/message.js?v=11.3.641626.0 s2.6 KiB
www.fema.gov/modules/contrib/chosen/js/chosen.js?tduzo385493.0 s3.2 KiB
www.fema.gov/modules/contrib/blazy/js/dblazy.min.js?tduzo3230593.0 s5.1 KiB
www.fema.gov/modules/contrib/extlink/js/extlink.js?tduzo3321960.0 s5.8 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/fema_sitewide.js?v=1.x154310.0 s3.3 KiB
www.fema.gov/libraries/slick-carousel/slick/ajax-loader.gif234389.0 s4.3 KiB
www.fema.gov/core/misc/displace.js?v=11.3.6154830.0 s2.8 KiB
www.fema.gov/core/assets/vendor/jquery.ui/ui/widgets/resizable-min.js?v=11.3.6429694.0 s5.8 KiB
www.fema.gov/core/misc/dialog/dialog.js?v=11.3.636819.0 s1.6 KiB
www.fema.gov/modules/contrib/blazy/js/base/io/bio.min.js?tduzo355289.0 s1.7 KiB
www.fema.gov/modules/contrib/blazy/js/polyfill/blazy.promise.min.js?tduzo355289.0 s1.7 KiB
www.fema.gov/core/assets/vendor/jquery.ui/ui/widgets/draggable-min.js?v=11.3.6429691.0 s5.0 KiB
www.fema.gov/modules/custom/wcm_survey/js/json3.min.js?v=1.x321978.0 s3.6 KiB
www.fema.gov/core/assets/vendor/jquery.ui/ui/widgets/dialog-min.js?v=11.3.6429697.0 s4.1 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/query_string.min.js?v=1.x298536.0 s3.3 KiB
www.fema.gov/modules/contrib/slick/js/slick.load.min.js?v=11.3.6153950.0 s1.9 KiB
/profiles/femad8_gov/themes/fema_uswds/js/views_button_fi...152472.0 s1.7 KiB
www.fema.gov/core/assets/vendor/loadjs/loadjs.min.js?v=4.3.055290.0 s1.2 KiB
www.fema.gov/modules/contrib/blazy/js/polyfill/blazy.classlist.min.js?tduzo3101982.0 s1.3 KiB
www.fema.gov/core/assets/vendor/jquery.ui/ui/widget-min.js?v=11.3.6429690.0 s3.4 KiB
www.fema.gov/modules/contrib/back_to_top/js/back_to_top.js?v=11.3.670700.0 s1.1 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/fema_saml.js?v=1.x55290.0 s1.0 KiB
www.fema.gov/modules/contrib/blazy/js/polyfill/blazy.polyfill.min.js?tduzo355289.0 s909 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/fema_tables.js?v=1.x153225.0 s1.3 KiB
/profiles/femad8_gov/modules/custom/fema_mobile_banner/js...321960.0 s2.3 KiB
www.fema.gov/core/assets/vendor/tabbable/index.umd.min.js?v=6.3.0429691.0 s2.7 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/usa-icons/linkedin.svg38955.0 s746 B
www.fema.gov/modules/contrib/blazy/js/base/blazy.min.js?tduzo3234390.0 s1.7 KiB
www.fema.gov/modules/contrib/blazy/js/blazy.load.min.js?tduzo3121222.0 s1.1 KiB
www.fema.gov/core/assets/vendor/once/once.min.js?v=1.0.185491.0 s940 B
www.fema.gov/core/misc/progress.js?v=11.3.6281848.0 s1.9 KiB
www.fema.gov/core/misc/announce.js?v=11.3.6282057.0 s1.9 KiB
www.fema.gov/modules/contrib/blazy/js/blazy.compat.min.js?tduzo3100507.0 s975 B
www.fema.gov/modules/custom/wcm_survey/js/jquery.cookie.js?v=1.x235964.0 s1.6 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/img/icon-dot-gov.svg39736.0 s659 B
/profiles/femad8_gov/themes/fema_uswds/js/fema_search_fil...55291.0 s728 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/widgets/button-min.js?v=11.3.6429691.0 s2.2 KiB
www.fema.gov/core/misc/dialog/dialog.position.js?v=11.3.6321981.0 s1.7 KiB
www.fema.gov/modules/contrib/chosen/js/chosen-bef.js?tduzo355289.0 s678 B
www.fema.gov/sites/default/files/graphics/featured_mini_femahelp_bag.svg314924.0 s1.7 KiB
/profiles/femad8_gov/themes/fema_uswds/images/usa-icons/i...30450.0 s542 B
www.fema.gov/core/misc/dialog/dialog.jquery-ui.js?v=11.3.6321976.0 s1.7 KiB
www.fema.gov/modules/contrib/responsive_tables_filter/js/tablesaw-init.js?v=1.x70695.0 s692 B
www.fema.gov/core/assets/vendor/tua-body-scroll-lock/tua-bsl.umd.min.js?v=11.3.6429692.0 s1.9 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/usa-icons/facebook.svg31126.0 s495 B
/core/assets/vendor/jquery.ui/ui/widgets/controlgroup-min...429691.0 s1.9 KiB
www.fema.gov/core/misc/drupal.init.js?v=11.3.6123196.0 s734 B
/modules/contrib/responsive_tables_filter/js/Drupal/acces...153055.0 s806 B
www.fema.gov/modules/contrib/blazy/js/polyfill/blazy.webp.min.js?tduzo3152315.0 s801 B
/core/assets/vendor/jquery.ui/ui/widgets/checkboxradio-mi...429691.0 s1.7 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/img/icon-https.svg85507.0 s623 B
/profiles/femad8_gov/themes/fema_uswds/js/views_data_expo...55289.0 s524 B
www.fema.gov/modules/contrib/blazy/js/base/blazy.base.min.js?tduzo3153950.0 s757 B
www.fema.gov/modules/contrib/blazy/js/plugin/blazy.dom.min.js?tduzo3408084.0 s1.4 KiB
www.fema.gov/core/misc/drupalSettingsLoader.js?v=11.3.6123196.0 s630 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/fema_search.js?v=1.x407741.0 s1.4 KiB
www.fema.gov/modules/contrib/blazy/js/base/blazy.drupal.min.js?tduzo3408090.0 s1.4 KiB
www.fema.gov/core/misc/dialog/dialog-deprecation.js?v=11.3.6230566.0 s950 B
www.fema.gov/modules/contrib/blazy/js/base/io/bio.media.min.js?tduzo3408169.0 s1.4 KiB
www.dhs.gov/profiles/dhsd8_gov/modules/custom/dhs_ntas/css/dhs_ntas.ntas.css162476.0 s680 B
www.fema.gov/themes/contrib/stable/js/ajax.js?v=11.3.667876.0 s478 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/widgets/mouse-min.js?v=11.3.6429691.0 s1.3 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/img/us_flag_small.png41133.0 s387 B
www.fema.gov/modules/contrib/blazy/js/plugin/blazy.loading.min.js?tduzo3118873.0 s528 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/fema_iframe.js?v=1.x70695.0 s429 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/pre_chosen.js?v=1.x123205.0 s519 B
www.fema.gov/sites/default/files/graphics/featured_mini_femahelp_map.svg289873.0 s964 B
/profiles/femad8_gov/themes/fema_uswds/js/fema_menu_expan...152472.0 s568 B
/sites/default/files/css/css_KQDRWp-yEZCMzUNGbm9v884-4Y0t...430396.0 s1.2 KiB
/modules/contrib/responsive_tables_filter/js/Drupal/ajaxC...153055.0 s559 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/fema_chosen_fix.js?v=1.x177061.0 s591 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/usa-icons/mail.svg85499.0 s433 B
www.fema.gov/core/misc/debounce.js?v=11.3.6321978.0 s907 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/fema_tablesaw.js?v=1.x154261.0 s509 B
www.fema.gov/modules/contrib/emerald_client/js/emerald.ableplayer.js?tduzo3164112.0 s497 B
www.fema.gov/themes/custom/dhs_uswds/assets/uswds/img/uswds-icons/x.svg152525.0 s475 B
www.fema.gov/modules/contrib/blazy/js/base/io/bio.ajax.min.js?tduzo3197539.0 s549 B
www.fema.gov/modules/contrib/blazy/js/plugin/blazy.observer.min.js?tduzo3408084.0 s945 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/alert.svg153075.0 s452 B
www.fema.gov/modules/contrib/blazy/js/plugin/blazy.xlazy.min.js?tduzo3408169.0 s915 B
www.fema.gov/modules/contrib/blazy/js/plugin/blazy.viewport.min.js?tduzo3408169.0 s910 B
www.fema.gov/sites/default/files/graphics/featured_mini_femahelp_check.svg282057.0 s728 B
www.fema.gov/sites/default/files/graphics/featured_mini_femahelp_flood.svg289871.0 s726 B
www.fema.gov/core/modules/ckeditor5/js/ckeditor5.dialog.fix.js?v=11.3.6321981.0 s710 B
www.fema.gov/modules/contrib/blazy/js/plugin/blazy.sanitizer.min.js?tduzo3408168.0 s803 B
www.fema.gov/sites/default/files/graphics/featured_mini_femahelp_book.svg289871.0 s652 B
/profiles/femad8_gov/themes/fema_uswds/js/fema_code_typog...164177.0 s399 B
www.fema.gov/modules/contrib/blazy/js/polyfill/blazy.raf.min.js?tduzo3282057.0 s632 B
www.fema.gov/sites/default/files/graphics/featured_mini_femahelp_arrows.svg289873.0 s630 B
www.fema.gov/modules/contrib/slick/js/jquery-type-polyfill.min.js?tduzo3158346.0 s380 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/focusable-min.js?v=11.3.6429691.0 s793 B
www.fema.gov/modules/contrib/blazy/js/plugin/blazy.once.min.js?tduzo3407784.0 s756 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/usa-icons/youtube.svg234383.0 s510 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/icon_search.svg279550.0 s587 B
www.fema.gov/modules/contrib/blazy/js/plugin/blazy.dataset.min.js?tduzo3281893.0 s584 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/form-reset-mixin-min.js?v=11.3.6429691.0 s738 B
www.fema.gov/core/themes/claro/js/ajax.js?tduzo3429707.0 s711 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/scroll-parent-min.js?v=11.3.6429691.0 s687 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/labels-min.js?v=11.3.6429691.0 s672 B
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/close-blue-60v-alt.svg234395.0 s432 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/keycode-min.js?v=11.3.6429691.0 s638 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/disable-selection-min.js?v=11.3.6429690.0 s627 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/unique-id-min.js?v=11.3.6429692.0 s609 B
/profiles/femad8_gov/themes/fema_uswds/images/usa-icons/e...234392.0 s398 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/jquery-patch-min.js?v=11.3.6429691.0 s604 B
/profiles/femad8_gov/themes/fema_uswds/js/front-behavior-...290328.0 s474 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/plugin-min.js?v=11.3.6429691.0 s557 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/data-min.js?v=11.3.6429690.0 s551 B
www.fema.gov/core/assets/vendor/jquery.ui/ui/version-min.js?v=11.3.6429690.0 s409 B

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
/profiles/femad8_gov/themes/fema_uswds/fonts/source-sans-...30 ms
/profiles/femad8_gov/themes/fema_uswds/fonts/source-sans-...20 ms
www.fema.gov/libraries/slick-carousel/slick/fonts/slick.woff20 ms

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:135.512 source:map[column:78219 line:0 type:source-location url:https://www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/js/uswds.min.js?v=1.x urlProvider:network]] map[reflowTime:0.138 source:map[column:55637 line:0 type:source-location url:https://www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/js/uswds.min.js?v=1.x urlProvider:network]] map[reflowTime:0.083 source:map[column:59263 line:0 type:source-location url:https://www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/js/uswds.min.js?v=1.x 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: Restoration efforts in the Commonwealth of the Northern Mariana Islands after T…
path: 1,HTML,1,BODY,4,DIV,4,DIV,0,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,IMG
selector: div#slick-slide00 > div.slide__media > div.media > img.media__element
snippet: <img alt="Restoration efforts in the Commonwealth of the Northern Mariana Islands af…" decoding="async" class="media__element b-lazy b-loaded" loading="lazy" src="/sites/default/files/2026-04/fema_sinlaku_cnmi-restoration_banner.jpg" width="2300" height="716">

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

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
/sites/default/files/css/css_jqQlonXWqA5vOSlkk-mrt3iTvtUb...149.2 KiB2.3 s
www.fema.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.027.2 KiB302 ms
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/pre_chosen.js?v=1.x519 B
/profiles/femad8_gov/themes/fema_uswds/js/front-behavior-...474 B
www.fema.gov/core/misc/drupal.init.js?v=11.3.6734 B
www.fema.gov/core/misc/drupal.js?v=11.3.66.3 KiB
www.fema.gov/core/assets/vendor/once/once.min.js?v=1.0.1940 B
/sites/default/files/css/css_3tIuFBacKl4OxXDEQzl0iFWm6Rgu...34.7 KiB453 ms
www.fema.gov/core/misc/drupalSettingsLoader.js?v=11.3.6630 B151 ms
fonts.googleapis.com/css?family=Poppins:300,400,500,600,700667 B150 ms
/sites/default/files/css/css_KQDRWp-yEZCMzUNGbm9v884-4Y0t...1.2 KiB
/css?family=Merriweather:400,700|Source+Sans+Pro:200,400,...1.4 KiB789 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
Restoration efforts in the Commonwealth of the Northern Mariana Islands after T… div#slick-slide00 > div.slide__media > div.media > img.media__element
/sites/default/files/2026-04/fema_sinlaku_cnmi-restoratio...389.4 KiB356.8 KiB
Construction workers on a job site. div#slick-slide01 > div.slide__media > div.media > img.media__element
www.fema.gov/sites/default/files/2026-03/fema_oea_bric-announcement-banner.jpg329.6 KiB296.9 KiB
FEMA and Samaritan's Purse staff at a mobile hospital in Saipan div.wp-block-drupalmedia-drupal-media-entity > article.media > div.field > img
/sites/default/files/photos/fema_sinlaku_guam-val-samarit...286.1 KiB272.6 KiB
A soccer ball on the field in front of a crowded stadium. div#slick-slide02 > div.slide__media > div.media > img.media__element
/sites/default/files/2026-03/fema_oea_homepage-banner_fif...221.0 KiB191.2 KiB
A hand holding a phone with the FEMA app in front of a winter scene. article.media > div.field > div.field__item > img
www.fema.gov/sites/default/files/graphics/fema_app-winter-small-feature.jpg211.5 KiB189.2 KiB
Family in a flooded living room article.media > div.field > div.field__item > img
www.fema.gov/sites/default/files/graphics/fema_flood_small_feature.jpg90.0 KiB67.7 KiB
Green graphic of the state of Hawaii article.media > div.field > div.field__item > img
www.fema.gov/sites/default/files/graphics/fema_dr-4909-hi_small-feature.jpg31.8 KiB22.6 KiB
Play Store article.media > div.field > a.fema-mobile-app-popup-link-android > img
www.fema.gov/sites/default/files/GetItOnGooglePlay_Badge_Web_color_English.png14.9 KiB13.9 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: 774 ms
URLTime Spent
fema.gov/774 ms
www.fema.gov/0.0 ms

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

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 38.3 KiB
URLTransfer SizeEst Savings
www.fema.gov/core/misc/ajax.js?v=11.3.616.6 KiB11.7 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/datatables.min.js?v=1.x31.7 KiB6.2 KiB
www.fema.gov/core/misc/jquery.form.js?v=4.3.012.9 KiB6.0 KiB
www.fema.gov/core/misc/drupal.js?v=11.3.66.1 KiB4.8 KiB
www.fema.gov/modules/contrib/responsive_tables_filter/js/tablesaw.js?v=1.x14.0 KiB4.3 KiB
www.fema.gov/core/misc/position.js?v=11.3.65.5 KiB3.0 KiB
www.fema.gov/modules/contrib/extlink/js/extlink.js?tduzo35.6 KiB2.3 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: 600 ms 176.4 KiB
URLTransfer SizeEst Savings
/sites/default/files/css/css_jqQlonXWqA5vOSlkk-mrt3iTvtUb...149.0 KiB143.1 KiB
/sites/default/files/css/css_3tIuFBacKl4OxXDEQzl0iFWm6Rgu...34.5 KiB33.3 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: 1.9 s 364.1 KiB
URLTransfer SizeEst Savings
www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L&cx=c&gtm=4e64h1147.1 KiB106.0 KiB
www.googletagmanager.com/gtag/js?id=G-8SNCZWM0FT&cx=c&gtm=4e64h1176.1 KiB70.2 KiB
www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L147.2 KiB61.1 KiB
www.fema.gov/modules/contrib/ableplayer/js/ableplayer.min.js?v=4.8.068.1 KiB58.4 KiB
www.googletagmanager.com/gtm.js?id=GTM-PNFPGG394.4 KiB42.8 KiB
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/js/datatables.min.js?v=1.x31.7 KiB25.6 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.

URLTotal CPU TimeScript EvaluationScript Parse
Unattributable1.4 s25 ms0.0 ms
www.fema.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.0719 ms257 ms20 ms
www.fema.gov/710 ms47 ms5.7 ms
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/js/uswds.min.js?v=1.x642 ms63 ms15 ms
www.googletagmanager.com/gtag/js?id=G-8SNCZWM0FT&cx=c&gtm=4e64h1553 ms442 ms96 ms
www.fema.gov/core/misc/drupal.init.js?v=11.3.6447 ms312 ms0.4 ms
www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L438 ms354 ms81 ms
www.googletagmanager.com/gtm.js?id=GTM-PNFPGG3435 ms320 ms107 ms
/sites/default/files/css/css_jqQlonXWqA5vOSlkk-mrt3iTvtUb...163 ms0.2 ms0.0 ms
dap.digitalgov.gov/web-vitals/dist/web-vitals.attribution.iife.js143 ms131 ms2.9 ms
www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L&cx=c&gtm=4e64h1113 ms36 ms76 ms
siteimproveanalytics.com/js/siteanalyze_6342107.js88 ms68 ms10 ms
www.fema.gov/modules/contrib/ableplayer/js/ableplayer.min.js?v=4.8.083 ms26 ms56 ms
/Universal-Federated-Analytics-Min.js?agency=DHS&subagenc...57 ms50 ms5.1 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.

CategoryTime Spent
Script Evaluation2.5 s
Other1.9 s
Style & Layout1.0 s
Script Parsing & Compilation733 ms
Parse HTML & CSS325 ms
Rendering295 ms
Garbage Collection51 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in a sub frame.Actionable

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
/sites/default/files/2026-04/fema_sinlaku_cnmi-restoratio...389.9 KiB
www.fema.gov/sites/default/files/2026-03/fema_oea_bric-announcement-banner.jpg330.0 KiB
/sites/default/files/photos/fema_sinlaku_guam-val-samarit...286.4 KiB
/sites/default/files/2026-03/fema_oea_homepage-banner_fif...221.3 KiB
www.fema.gov/sites/default/files/graphics/fema_app-winter-small-feature.jpg211.8 KiB
www.googletagmanager.com/gtag/js?id=G-8SNCZWM0FT&cx=c&gtm=4e64h1176.2 KiB
www.googletagmanager.com/gtag/js?id=G-GHG7XR2CMP158.1 KiB
/sites/default/files/css/css_jqQlonXWqA5vOSlkk-mrt3iTvtUb...149.2 KiB
www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L147.3 KiB
www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L&cx=c&gtm=4e64h1147.2 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
FEMA Logo div.grid-container > div#logo > a.logo-img > img
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/fema-logo-blue.svg
FEMA Logo div.grid-row > div.usa-logo > a.logo-img > img
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/images/fema-logo-blue.svg
white check div.wp-block-columns > div.wp-block-column > a.home-help-da-btn > img
www.fema.gov/sites/default/files/graphics/featured_mini_femahelp_check.svg

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

●Layout shift culprits
●Optimize DOM size
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 14 user timings
●Avoid long main-thread tasks 19 long tasks found
●Network Requests
●Network Round Trip Times 20 ms
●Server Backend Latencies 480 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 220 ms
●Avoid large layout shifts 15 layout shifts found
○INP breakdown
○Avoid non-composited animations
97

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.

Navigation

Access keys let users quickly focus a part of the page. For proper navigation, each access key must be unique. Learn more about access keys.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Home div.header-wrapper > div.grid-container > div#logo > a.logo-img

These are opportunities to improve keyboard navigation in your application.

○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
●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.
●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 are distinguishable without relying on color.
●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
●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
●Elements with visible text labels have matching accessible names.
○`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
○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
○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.
○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.
58

Best Practices

Trust and Safety

All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more about HTTPS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Insecure URLRequest Resolution
Allowed

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
U.S. flag header.usa-banner__header > div.usa-banner__inner > div.grid-col-auto > img.usa-banner__header-flag
www.fema.gov/profiles/femad8_gov/themes/fema_uswds/assets/img/us_flag_small.png16 x 1116 x 1124 x 17

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
CSS appearance value slider-vertical is not standardized and will be removed.
www.fema.gov/
●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 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

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
/blog/emergency-management-action-restoring-emergency-com...Learn More
/press-release/20260325/fema-announces-1-billion-federal-...Learn More
/press-release/20260318/fema-awards-historic-625-million-...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
●Document has a meta description
●Page has successful HTTP status code
●Links are crawlable
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`
○robots.txt is valid

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