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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.

22

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.

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:0.60508] map[node:map[boundingRect:map[bottom:5706 height:4912 left:0 right:412 top:794 width:412] lhId:page-11-ARTICLE nodeLabel:International Trade Administration National AI Center: Gateway for AI Exports … path:1,HTML,1,BODY,5,DIV,0,DIV,2,MAIN,0,DIV,0,SECTION,2,ARTICLE selector:main#main-content > div#block-ita-content > section.ita-landing-page > article.layout-container snippet:<article class="layout-container ita-landing-page__main"> type:node] score:0.581431] map[node:map[boundingRect:map[bottom:5706 height:4912 left:0 right:412 top:794 width:412] lhId:page-11-ARTICLE nodeLabel:International Trade Administration National AI Center: Gateway for AI Exports … path:1,HTML,1,BODY,5,DIV,0,DIV,2,MAIN,0,DIV,0,SECTION,2,ARTICLE selector:main#main-content > div#block-ita-content > section.ita-landing-page > article.layout-container snippet:<article class="layout-container ita-landing-page__main"> type:node] score:0.018226] map[node:map[boundingRect:map[bottom:1371 height:45 left:0 right:412 top:1326 width:412] lhId:page-7-DIV nodeLabel:LEARN MORE path:1,HTML,1,BODY,5,DIV,0,DIV,2,MAIN,0,DIV,0,SECTION,2,ARTICLE,1,DIV,0,DIV,1,DIV,0,DIV,1,DIV,3,DIV selector:div > div.ita-cta > div.ita-cta__content > div.ita-cta__button snippet:<div class="ita-cta__button"> type:node] score:0.004356 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:925 height:107 left:0 right:206 top:818 width:206] lhId:page-2-IMG nodeLabel:Graphic with the text "National AI Center" and a picture of the Center path:1,HTML,1,BODY,5,DIV,0,DIV,2,MAIN,0,DIV,0,SECTION,2,ARTICLE,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,IMG selector:div.ita-cta > div.ita-cta__media > div > img snippet:<img loading="lazy" src="/sites/default/files/styles/cta_teaser/public/2026-03/CTA%20BANNER%20NATIO…" width="1042" height="540" alt="Graphic with the text &quot;National AI Center&quot; and a picture of the Center"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:113 height:78 left:0 right:170 top:35 width:170] lhId:page-5-DIV nodeLabel:International Trade Administration Logo path:1,HTML,1,BODY,5,DIV,0,DIV,1,HEADER,0,DIV selector:div.dialog-off-canvas-main-canvas > div.layout-page > header.ita-header > div.ita-header__branding snippet:<div class="ita-header__branding"> type:node] score:0.001067 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:106 height:56 left:15 right:155 top:50 width:140] lhId:page-15-IMG nodeLabel:International Trade Administration Logo path:1,HTML,1,BODY,5,DIV,0,DIV,1,HEADER,0,DIV,0,A,0,IMG selector:header.ita-header > div.ita-header__branding > a > img.ita-header__branding-logo snippet:<img class="ita-header__branding-logo" alt="International Trade Administration Logo" src="/themes/custom/ita/logo.svg"> type:node]]] type:subitems]]]

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.

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
ecommerce-image-world-with-connecting-lines div.ita-static-cards > div.ita-static-cards__top > div > img
/sites/default/files/styles/card_teaser/public/2022-07/he...226.7 KiB193.9 KiB
U.S. Flag div.slick-track > div#slick-slide00 > div.ita-hero-banner > div.ita-hero-banner__image
www.trade.gov/sites/default/files/2019-12/flag-zoomed-unsplash.jpg247.8 KiB118.4 KiB
Graphic with the text "National AI Center" and a picture of the Center div.ita-cta > div.ita-cta__media > div > img
/sites/default/files/styles/cta_teaser/public/2026-03/CTA...102.4 KiB91.5 KiB
stack of books div.ita-cta > div.ita-cta__media > div > img
/sites/default/files/styles/cta_teaser/public/2019-11/Kno...31.2 KiB27.4 KiB
ITA Emblem div.ita-highlightitem > div.ita-highlightitem__image > div > img
www.trade.gov/sites/default/files/2020-01/ITA_stacked_emblem_blue.png13.0 KiB10.1 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-1-DIV
nodeLabel: U.S. Flag
path: 1,HTML,1,BODY,5,DIV,0,DIV,2,MAIN,0,DIV,0,SECTION,0,HEADER,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV
selector: div.slick-track > div#slick-slide00 > div.ita-hero-banner > div.ita-hero-banner__image
snippet: <div class="ita-hero-banner__image" style="background-image: url(&quot;/sites/default/files/2019-12/flag-zoomed-unsplash.jp…&quot;);">

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
www.trade.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.027.3 KiB150 ms
www.trade.gov/modules/custom/trade_analytics/js/trade_analytics.js?tdutxq1.9 KiB
www.trade.gov/modules/contrib/google_tag/js/gtm.js?tdutxq889 B
www.trade.gov/modules/contrib/google_tag/js/gtag.js?tdutxq964 B
www.trade.gov/core/misc/drupal.js?v=11.3.46.4 KiB150 ms
www.trade.gov/core/misc/drupalSettingsLoader.js?v=11.3.4730 B
www.trade.gov/themes/custom/ita/css/style.css?tdutxq25.4 KiB150 ms
www.trade.gov/core/misc/drupal.init.js?v=11.3.4835 B
www.trade.gov/modules/contrib/typogrify/assets/typogrify.css?tdutxq574 B
/themes/custom/ita/templates/layouts/onecol-greyswirl/one...603 B
/modules/contrib/ckeditor_indentblock/css/plugins/indentb...551 B
www.trade.gov/themes/custom/ita/css/cms-style.css?tdutxq4.0 KiB
www.trade.gov/modules/contrib/extlink/css/extlink.css?tdutxq804 B
www.trade.gov/modules/contrib/addtoany/css/addtoany.css?tdutxq669 B
www.trade.gov/core/modules/system/css/components/align.module.css?tdutxq545 B
/core/modules/system/css/components/container-inline.modu...498 B
www.trade.gov/themes/custom/ita/node_modules/normalize.css/normalize.css?tdutxq0 B
www.trade.gov/libraries/slick/slick/slick.css?tdutxq897 B
www.trade.gov/modules/contrib/paragraphs/css/paragraphs.unpublished.css?tdutxq349 B
www.trade.gov/core/modules/layout_discovery/layouts/onecol/onecol.css?tdutxq443 B
www.trade.gov/modules/custom/ita_pva_chatbot/css/chatbot.css?tdutxq3.0 KiB
www.trade.gov/modules/custom/ita_download_pdf/css/ita_download_pdf.css?tdutxq909 B150 ms
www.trade.gov/core/modules/system/css/components/js.module.css?tdutxq672 B
www.trade.gov/core/modules/system/css/components/hidden.module.css?tdutxq982 B
www.trade.gov/core/modules/system/css/components/clearfix.module.css?tdutxq550 B
www.trade.gov/core/misc/components/ajax-progress.module.css?tdutxq808 B
www.trade.gov/core/misc/components/progress.module.css?tdutxq679 B

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

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 771 ms
URLTime Spent
trade.gov/771 ms
www.trade.gov/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
International Trade Administration National AI Center: Gateway for AI Exports … main#main-content > div#block-ita-content > section.ita-landing-page > article.layout-container
0.581
International Trade Administration National AI Center: Gateway for AI Exports … main#main-content > div#block-ita-content > section.ita-landing-page > article.layout-container
0.018
LEARN MORE div > div.ita-cta > div.ita-cta__content > div.ita-cta__button
0.004
International Trade Administration Logo div.dialog-off-canvas-main-canvas > div.layout-page > header.ita-header > div.ita-header__branding
0.001

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 CSS files can reduce network payload sizes. Learn how to minify CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 150 ms 5.0 KiB
URLTransfer SizeEst Savings
www.trade.gov/themes/custom/ita/css/style.css?tdutxq25.4 KiB5.0 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: 150 ms 23.0 KiB
URLTransfer SizeEst Savings
www.trade.gov/themes/custom/ita/css/style.css?tdutxq25.1 KiB23.0 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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
Other962 ms
Script Parsing & Compilation664 ms
Style & Layout439 ms
Parse HTML & CSS146 ms
Rendering103 ms
Garbage Collection93 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 18.7 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
International Trade Administration Logo header.ita-header > div.ita-header__branding > a > img.ita-header__branding-logo
www.trade.gov/themes/custom/ita/logo.svg

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

Optimize DOM size
Forced reflow
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Avoids enormous network payloads Total size was 2,549 KiB
User Timing marks and measures 24 user timings
Avoid long main-thread tasks 20 long tasks found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 30 ms
Server Backend Latencies 60 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 10 ms
INP breakdown
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.

Names and labels

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.ita-landing-page > article.layout-container > p > a.chatbot-launcher section.ita-landing-page > article.layout-container > p > a.chatbot-launcher
body > p > a.chatbot-launcher body > p > a.chatbot-launcher

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.

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.
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
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
Identical links have the same purpose.
`[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 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>`.
All heading elements contain content.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
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

General

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
Refused to apply style from 'https://www.trade.gov/themes/custom/ita/node_modules/normalize.css/normalize.css?tdutxq' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled.
TypeError: closeButton.once is not a function at Object.attach (https://www.trade.gov/themes/custom/ita/components/03-organisms/modal/modal.js?tdutxq:24:19) at https://www.trade.gov/core/misc/drupal.js?v=11.3.4:166:24 at Array.forEach (<anonymous>) at Drupal.attachBehaviors (https://www.trade.gov/core/misc/drupal.js?v=11.3.4:162:34) at https://www.trade.gov/core/misc/drupal.init.js?v=11.3.4:32:12 at HTMLDocument.listener (https://www.trade.gov/core/misc/drupal.init.js?v=11.3.4:20:7)
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 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
www.trade.gov/national-ai-centerLEARN 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
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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