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Audit Complete

Results for https://gpo.gov

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E-commerce · estimated Tracking: purchases
Spain Spain · Madrid Completed: Apr 21, 2026 21:01 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
D69

Site Health

Score: 69 / 100

Based on 8 categories, 0 sections

Room to improve — your 22.6s load time is above Google's 2.5s 'Good' threshold.

Several missing protections leave your users and data exposed.

Several issues make your site difficult for assistive technology users.

Well-optimized for search — your content is discoverable.

Good server performance with room for optimization.

Mostly compliant — a few items need attention.

Missing metadata means poor previews on social media and search.

Heavier than average — reducing page weight saves energy and bandwidth.

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

How the composite score is calculated

How you compare

Cart Functionality · 356 peers
You 69
·
Avg 72
At average
0 50 100
Better than 7% of Cart Functionality sites See full Cart Functionality benchmark →
Apple · 822 peers
You 69
·
Avg 73
At average
0 50 100
Better than 7% of Apple sites See full Apple benchmark →

Top Priorities (5)

1

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers
2

HSTS header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers
3

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy
4

1 control(s) without accessible label

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Form Accessibility
5

1 link(s) with no accessible text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Link & Button Quality
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

3

High impact, low effort — start here.

Strategic

2

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
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What fixing these means

Your site has several issues that may be affecting user experience and business outcomes. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.

3 security gaps detected — browsers may warn visitors about your site.
2 accessibility issues exclude users who rely on assistive technology.
C
Could reach Estimate based on resolving critical issues

Conversion Barriers

3 critical 8 warning

11 barrier(s) likely increasing bounce by ~35%.

Speed (2)

Page takes 22.6s to load

+12% bounce

Users abandon at ~3s — you're 20.1s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

High main-thread blocking time

+2% bounce

Page is non-interactive for 536ms after first paint

Fix: Defer third-party scripts and split large bundles

Trust (3)

Mixed content on HTTPS page

+8% bounce

Browsers block insecure subresources — broken images, missing scripts, warning badge

Fix: Change http:// URLs inside the page to https:// (or protocol-relative)

No HSTS header

+1% bounce

Returning visitors are briefly exposed to downgrade attacks on first request

Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Usability (1)

1 form field(s) without a label

+2% bounce

Screen readers skip unlabeled fields; autofill can't identify them; checkout abandonment spikes

Fix: Associate every input with a visible <label for="…">; add autocomplete attributes

Content (2)

No Open Graph tags

+2% bounce

Links shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop

Fix: Add og:title, og:description, og:image, og:url to the page head

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Navigation (3)

7 link(s) with generic text ("click here", "read more")

+1% bounce

Screen-reader users navigating by link list see no context — and search engines can't infer relevance

Fix: Rewrite with descriptive phrases that identify the destination

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

3 broken link(s) on the page

+5% bounce

Clicks land on 404s — trust drops and the session often ends

Fix: Fix or remove the broken destinations surfaced on the Content tab

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

$450 investment → $0.85/month returns + USD 157,500 risk avoided

Payback period: > 2 years First-year ROI: -98%

Investment

$450

4h · 5 findings

Monthly returns

$0.85 /mo

~$10 / year

  • Bandwidth savings $0.85

Regulatory risk avoided

USD 157,500

if kept compliant

  • ADA Title III USD 150,000
  • CCPA/CPRA USD 7,500

$150 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

$450

4.5 developer hours at $100/hr

Based on United States rates ($100/hr)

Quick wins
$150 3 fixes in ~90 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions
$ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

$13,126 / month at risk

~$157,510 / year if left unfixed

Compliance Risk

$157,500

ADA Title IIICCPA/CPRA
  • No privacy policy link detected
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no cookie policy found
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no privacy policy found
    CCPA/CPRA: USD 2,500 – USD 7,500

+3 more

Bandwidth Waste

$0.85 /mo

10643.7 MB/mo × 0.080 USD/GB

  • Optimize transfer: save ~1.1 MB per page load
    Saves $0.85/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Unique monthly visitors from your analytics

Purchases, signups, or key actions

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue
Current bounce (est.)
After fixes (est.)
Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

42
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
82
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
69
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
77
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

11.69 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

22.56 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

536 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

12.72 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

22.60 s

Detailed Report

Audit breakdown by category with detailed findings.

42

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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.

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
div#myCarousel > div.carousel-inner > div.item > div.container
/images/default-source/default-album/cmr-gpo-gov-banner-p...703.5 KiB625.0 KiB
Ben’s Guide to the <br>U.S. Government div#cphImageGalleryRow1_C065_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/other-images/ben34.3 KiB24.5 KiB
Government <br>Book Talk div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/government-information-resources-row2/blog33.1 KiB23.3 KiB
U.S. Government Bookstore div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
/images/default-source/government-information-resources-r...27.1 KiB17.3 KiB
Locate a Federal Depository Library div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/government-information-resources-row2/fdlp26.6 KiB16.8 KiB
Home Page Banner div.container > div.navbar-header > a.navbar-brand > img
www.gpo.gov/CustomResources/img/logo_text.jpg6.1 KiB5.6 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:929.9230009765625 label:Time to first byte subpart:timeToFirstByte] map[duration:3303.5449990234374 label:Resource load delay subpart:resourceLoadDelay] map[duration:1291.18 label:Resource load duration subpart:resourceLoadDuration] map[duration:15.736 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-DIV
nodeLabel:
path: 1,HTML,1,BODY,0,DIV,0,FORM,12,DIV,2,DIV,3,DIV,0,DIV,0,DIV
selector: div#myCarousel > div.carousel-inner > div.item > div.container
snippet: <div class="container first-image" style="background-image: url(&quot;/images/default-source/default-album/cmr-gpo-gov-ba…&quot;);">

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-DIV
nodeLabel:
path: 1,HTML,1,BODY,0,DIV,0,FORM,12,DIV,2,DIV,3,DIV,0,DIV,0,DIV
selector: div#myCarousel > div.carousel-inner > div.item > div.container
snippet: <div class="container first-image" style="background-image: url(&quot;/images/default-source/default-album/cmr-gpo-gov-ba…&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

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: 1.1 s
URLTime Spent
gpo.gov/1.1 s
www.gpo.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 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: 0.0 ms 15.8 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: 330 ms 39.0 KiB
URLTransfer SizeEst Savings
www.gpo.gov/CustomResources/css/bootstrap.css42.7 KiB39.0 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

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

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 Evaluation1.3 s
Script Parsing & Compilation500 ms
Other415 ms
Style & Layout266 ms
Parse HTML & CSS74 ms
Rendering52 ms
Garbage Collection35 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 the main frame.Actionable

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
govinfo<br>(beta release) div#cphImageGalleryRow1_C065_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/other-images/2govinfo
Ben’s Guide to the <br>U.S. Government div#cphImageGalleryRow1_C065_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/other-images/ben
Catalog of <br>U.S. Government Publications div#cphImageGalleryRow1_C065_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/other-images/catalog1
Government <br>Book Talk div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/government-information-resources-row2/blog
U.S. Government Bookstore div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
/images/default-source/government-information-resources-r...
Locate a Federal Depository Library div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/government-information-resources-row2/fdlp
div#cphHeader_T97BC6AE4028_Col00 > div.sfContentBlock > div.container > img.image-top-small div#cphHeader_T97BC6AE4028_Col00 > div.sfContentBlock > div.container > img.image-top-small
www.gpo.gov/images/default-source/default-album/banner-mobile.svg
Home Page Banner div.container > div.navbar-header > a.navbar-brand > img
www.gpo.gov/CustomResources/img/logo_text.jpg

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
Modern HTTP
Optimize viewport for mobile
Minify JavaScript
User Timing marks and measures 7 user timings
Avoid long main-thread tasks 7 long tasks found
Network Requests
Network Round Trip Times 100 ms
Server Backend Latencies 380 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 400 ms
Avoid large layout shifts 1 layout shift found
INP breakdown
Avoid non-composited animations
82

Accessibility

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

ARIA

Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Congressionally Mandated Reports Read More form#form > div#wrapper > div#myCarousel > div.carousel-inner

When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Congressionally Mandated Reports Read More form#form > div#wrapper > div#myCarousel > div.carousel-inner

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

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
Read More div.container > div.carousel-caption > p > a#ctl00_cphHeader_T97BC6AE4003_carouselList_ctrl0_slidesRepeater_ctl00_slideButton
GPO Director Presents FY2027 Appropriations Request to Congress a > div.row > div.col-md-12 > h2.featurette-heading
The U.S. Government Publishing Office (GPO) Director Hugh Nathanial Halpern pre… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
A Game Changer on the Press Floor a > div.row > div.col-md-12 > h2.featurette-heading
When the new press on GPO’s production floor roars to life, it doesn’t just pri… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
Fifty Years at Laurel a > div.row > div.col-md-12 > h2.featurette-heading
For 50 years, GPO’s Distribution Center in Laurel, Maryland, has quietly played… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
GPO Director Names Managing Director of Government Integrated Print Services a > div.row > div.col-md-12 > h2.featurette-heading
U.S. Government Publishing Office (GPO) Director Hugh Nathanial Halpern named R… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
GPO Director Appoints Leaders To Depository Library Council a > div.row > div.col-md-12 > h2.featurette-heading
U.S. Government Publishing Office (GPO) Director Hugh Nathanial Halpern, on the… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
GPO and the Library of Congress Digitize 10,000 Volumes of the United States Se… a > div.row > div.col-md-12 > h2.featurette-heading
U.S. Government Publishing Office (GPO) achieved a major milestone by uploading… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
View More News div.col-md-7 > div > p > a.btn
Testing Accessible Web Applications and Forms li.sfeventListItem > div.post-preview > a > p.lead
Dates: April 22 – 23 Location: Online Cost: $775 li.sfeventListItem > div.post-preview > a > p.text-muted
Dates: div.post-preview > a > p.text-muted > strong
Location: div.post-preview > a > p.text-muted > strong
Cost: div.post-preview > a > p.text-muted > strong
Testing Accessible Web Pages li.sfeventListItem > div.post-preview > a > p.lead
Dates: April 23 Location: Online Cost: $575 li.sfeventListItem > div.post-preview > a > p.text-muted
Dates: div.post-preview > a > p.text-muted > strong
Location: div.post-preview > a > p.text-muted > strong
Cost: div.post-preview > a > p.text-muted > strong
View All Events div.col-md-4 > div.sfContentBlock > p > a.btn
THE OFFICIAL WEBSITE OF THE U.S. GOVERNMENT PUBLISHING OFFICE div#wrapper > div.sfContentBlock > footer > p
Accessibility | Privacy | COOP | Inspector General div#wrapper > div.sfContentBlock > footer > p
Accessibility div.sfContentBlock > footer > p > a
Privacy div.sfContentBlock > footer > p > a
COOP div.sfContentBlock > footer > p > a
Inspector General div.sfContentBlock > footer > p > a

These are opportunities to improve the legibility of your content.

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>`
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
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-hidden="true"]` elements do not contain focusable descendents
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
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
`[aria-*]` attributes match their roles
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements use only permitted ARIA attributes
`[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
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
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.
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.
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.
69

Best Practices

User Experience

Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLDisplayed sizeActual sizeExpected size
Home Page Banner div.container > div.navbar-header > a.navbar-brand > img
www.gpo.gov/CustomResources/img/logo_text.jpg76 x 3974 x 38114 x 59

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
Unload event listeners are deprecated and will be removed.

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
Connecting to 'https://region1.google-analytics.com/g/collect?v=2&tid=G-VPP8P85209&gtm=45je64h1v9207110606za200zb9207322184zd9207322184&_p=1776805255245&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&_eu=AEAAAAQ&ae=a&are=1&cid=225796773.1776805255&frm=0&pscdl=noapi&rcb=13&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=2&tag_exp=0~115938465~115938468~117266401&sid=1776805255&sct=1&seg=0&dl=https%3A%2F%2Fwww.gpo.gov%2F&dt=U.S.%20Government%20Publishing%20Office&en=scroll&epn.percent_scrolled=90&_et=9&tfd=6309' violates the following Content Security Policy directive: "connect-src 'self' d3lopmpcew67el.cloudfront.net accounts.google.com https://*.insight.sitefinity.com https://*.dec.sitefinity.com *.mktoresp.com https://display.popt.in/APIRequest/68463719072e4 https://display.popt.in/APIRequest/viewed/ee6c12968a725 https://display.popt.in/APIRequest/conversion/ https://analytics.google.com https://www.googletagmanager.com https://www.google-analytics.com https://stats.g.doubleclick.net". The action has been blocked.
Connecting to 'https://region1.google-analytics.com/g/collect?v=2&tid=G-VPP8P85209&gtm=45je64h1v9207110606za200zb9207322184zd9207322184&_p=1776805255245&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&are=1&cid=225796773.1776805255&frm=0&pscdl=noapi&rcb=13&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938468~117266401&sid=1776805255&sct=1&seg=0&dl=https%3A%2F%2Fwww.gpo.gov%2F&dt=U.S.%20Government%20Publishing%20Office&en=page_view&_fv=2&_nsi=1&_ss=1&_c=1&_ee=1&tfd=1297' violates the following Content Security Policy directive: "connect-src 'self' d3lopmpcew67el.cloudfront.net accounts.google.com https://*.insight.sitefinity.com https://*.dec.sitefinity.com *.mktoresp.com https://display.popt.in/APIRequest/68463719072e4 https://display.popt.in/APIRequest/viewed/ee6c12968a725 https://display.popt.in/APIRequest/conversion/ https://analytics.google.com https://www.googletagmanager.com https://www.google-analytics.com https://stats.g.doubleclick.net". The action has been blocked.
Fetch API cannot load https://region1.google-analytics.com/g/collect?v=2&tid=G-VPP8P85209&gtm=45je64h1v9207110606za200zb9207322184zd9207322184&_p=1776805255245&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&_eu=AEAAAAQ&ae=a&are=1&cid=225796773.1776805255&frm=0&pscdl=noapi&rcb=13&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=2&tag_exp=0~115938465~115938468~117266401&sid=1776805255&sct=1&seg=0&dl=https%3A%2F%2Fwww.gpo.gov%2F&dt=U.S.%20Government%20Publishing%20Office&en=scroll&epn.percent_scrolled=90&_et=9&tfd=6309. Refused to connect because it violates the document's Content Security Policy.
Fetch API cannot load https://region1.google-analytics.com/g/collect?v=2&tid=G-VPP8P85209&gtm=45je64h1v9207110606za200zb9207322184zd9207322184&_p=1776805255245&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&are=1&cid=225796773.1776805255&frm=0&pscdl=noapi&rcb=13&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938468~117266401&sid=1776805255&sct=1&seg=0&dl=https%3A%2F%2Fwww.gpo.gov%2F&dt=U.S.%20Government%20Publishing%20Office&en=page_view&_fv=2&_nsi=1&_ss=1&_c=1&_ee=1&tfd=1297. Refused to connect because it violates the document's Content Security Policy.
Refused to apply style from 'https://www.gpo.gov/' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled.

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Content security policy

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uses HTTPS
Avoids 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
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
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
77

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.

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
li.dropdown > div.input-group > div.input-group-btn > a.btn
gpo.gov li.dropdown > ul.dropdown-menu > li > a#searchbtn
govinfo li.dropdown > ul.dropdown-menu > li > a#govinfosearchbtn

To appear in search results, crawlers need access to your app.

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Page has successful HTTP status code
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

58
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
76
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
77
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

2.91 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

5.28 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

76 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

4.69 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

5.28 s

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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.

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
div#myCarousel > div.carousel-inner > div.item > div.container
/images/default-source/default-album/cmr-gpo-gov-banner-p...703.5 KiB625.0 KiB
Ben’s Guide to the <br>U.S. Government div#cphImageGalleryRow1_C065_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/other-images/ben34.3 KiB24.5 KiB
Government <br>Book Talk div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/government-information-resources-row2/blog33.1 KiB23.3 KiB
U.S. Government Bookstore div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
/images/default-source/government-information-resources-r...27.1 KiB17.3 KiB
Locate a Federal Depository Library div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/government-information-resources-row2/fdlp26.6 KiB16.8 KiB
Home Page Banner div.hidden-xs > div.container > a.taglineBrand > img
www.gpo.gov/CustomResources/img/logo-type.png18.6 KiB15.3 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:1012.54 label:Time to first byte subpart:timeToFirstByte] map[duration:3347.182 label:Resource load delay subpart:resourceLoadDelay] map[duration:1464.532 label:Resource load duration subpart:resourceLoadDuration] map[duration:21.295 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-DIV
nodeLabel:
path: 1,HTML,1,BODY,0,DIV,0,FORM,12,DIV,2,DIV,3,DIV,0,DIV,0,DIV
selector: div#myCarousel > div.carousel-inner > div.item > div.container
snippet: <div class="container first-image" style="background-image: url(&quot;/images/default-source/default-album/cmr-gpo-gov-ba…&quot;);">

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-DIV
nodeLabel:
path: 1,HTML,1,BODY,0,DIV,0,FORM,12,DIV,2,DIV,3,DIV,0,DIV,0,DIV
selector: div#myCarousel > div.carousel-inner > div.item > div.container
snippet: <div class="container first-image" style="background-image: url(&quot;/images/default-source/default-album/cmr-gpo-gov-ba…&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

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: 487 ms
URLTime Spent
gpo.gov/487 ms
www.gpo.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

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: 60 ms 15.8 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: 110 ms 37.5 KiB
URLTransfer SizeEst Savings
www.gpo.gov/CustomResources/css/bootstrap.css42.7 KiB37.5 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

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

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 the main frame.Actionable

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
Home Page Banner div.hidden-xs > div.container > a.taglineBrand > img
www.gpo.gov/CustomResources/img/logo-type.png
div#cphHeader_T97BC6AE4028_Col00 > div.sfContentBlock > div.container > img.image-top div#cphHeader_T97BC6AE4028_Col00 > div.sfContentBlock > div.container > img.image-top
www.gpo.gov/images/default-source/default-album/banner-new.svg
govinfo<br>(beta release) div#cphImageGalleryRow1_C065_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/other-images/2govinfo
Ben’s Guide to the <br>U.S. Government div#cphImageGalleryRow1_C065_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/other-images/ben
Catalog of <br>U.S. Government Publications div#cphImageGalleryRow1_C065_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/other-images/catalog1
Government <br>Book Talk div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/government-information-resources-row2/blog
U.S. Government Bookstore div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
/images/default-source/government-information-resources-r...
Locate a Federal Depository Library div#cphImageGalleryRow2_C066_imagesFrontendThumbnailsListBasic > div.col-md-4 > figure.effect-sadie > img
www.gpo.gov/images/default-source/government-information-resources-row2/fdlp

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

Max Potential First Input Delay 130 ms
Layout shift culprits
Optimize DOM size
Forced reflow
Modern HTTP
Optimize viewport for mobile
Minify JavaScript
User Timing marks and measures 7 user timings
JavaScript execution time 0.3 s
Minimizes main-thread work 0.6 s
Avoid long main-thread tasks 1 long task found
Network Requests
Network Round Trip Times 90 ms
Server Backend Latencies 470 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 490 ms
Avoid large layout shifts 1 layout shift found
INP breakdown
Avoid non-composited animations
76

Accessibility

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

ARIA

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
li.dropdown > div.input-group > div.input-group-btn > a.btn

Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
GPO Strategic Plan FY2023-2027 Read More form#form > div#wrapper > div#myCarousel > div.carousel-inner

When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
GPO Strategic Plan FY2023-2027 Read More form#form > div#wrapper > div#myCarousel > div.carousel-inner

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

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
Who We Are div#navbar-menu > ul.nav > li.dropdown > a.dropdown-toggle
Work With Us div#navbar-menu > ul.nav > li.dropdown > a.dropdown-toggle
Explore and Research div#navbar-menu > ul.nav > li.dropdown > a.dropdown-toggle
Congressionally Mandated Reports div#navbar-menu > ul.nav > li > a.landing-menu-color
Contact Us div#navbar-menu > ul.nav > li > a.landing-menu-color
Read More div.container > div.carousel-caption > p > a#ctl00_cphHeader_T97BC6AE4003_carouselList_ctrl1_slidesRepeater_ctl00_slideButton
The U.S. Government Publishing Office (GPO) Director Hugh Nathanial Halpern pre… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
When the new press on GPO’s production floor roars to life, it doesn’t just pri… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
For 50 years, GPO’s Distribution Center in Laurel, Maryland, has quietly played… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
U.S. Government Publishing Office (GPO) Director Hugh Nathanial Halpern named R… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
U.S. Government Publishing Office (GPO) Director Hugh Nathanial Halpern, on the… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
U.S. Government Publishing Office (GPO) achieved a major milestone by uploading… div.row > div.col-md-12 > p.lead > span.sfnewsSummary
View More News div.col-md-7 > div > p > a.btn
Testing Accessible Web Applications and Forms li.sfeventListItem > div.post-preview > a > p.lead
Dates: April 22 – 23 Location: Online Cost: $775 li.sfeventListItem > div.post-preview > a > p.text-muted
Dates: div.post-preview > a > p.text-muted > strong
Location: div.post-preview > a > p.text-muted > strong
Cost: div.post-preview > a > p.text-muted > strong
Testing Accessible Web Pages li.sfeventListItem > div.post-preview > a > p.lead
Dates: April 23 Location: Online Cost: $575 li.sfeventListItem > div.post-preview > a > p.text-muted
Dates: div.post-preview > a > p.text-muted > strong
Location: div.post-preview > a > p.text-muted > strong
Cost: div.post-preview > a > p.text-muted > strong
View All Events div.col-md-4 > div.sfContentBlock > p > a.btn
THE OFFICIAL WEBSITE OF THE U.S. GOVERNMENT PUBLISHING OFFICE div#wrapper > div.sfContentBlock > footer > p
Accessibility | Privacy | COOP | Inspector General div#wrapper > div.sfContentBlock > footer > p
Accessibility div.sfContentBlock > footer > p > a
Privacy div.sfContentBlock > footer > p > a
COOP div.sfContentBlock > footer > p > a
Inspector General div.sfContentBlock > footer > p > a

These are opportunities to improve the legibility of your content.

Names and labels

Screen reader users rely on frame titles to describe the contents of frames. Learn more about frame titles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.row > div.col-md-4 > div.sfContentBlock > iframe.hidden-xs div.row > div.col-md-4 > div.sfContentBlock > iframe.hidden-xs

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
Home Page Banner nav.navbar > div.container > div.navbar-header > a.navbar-brand

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-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
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.
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
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
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 `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
`[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
Buttons have an accessible name
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
`<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
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.
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.
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.
73

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
Unload event listeners are deprecated and will be removed.

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
Connecting to 'https://region1.google-analytics.com/g/collect?v=2&tid=G-VPP8P85209&gtm=45je64h1v9207110606za200zb9207322184zd9207322184&_p=1776805276192&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&_eu=AEAAAAQ&ae=a&are=1&cid=2100140494.1776805276&frm=0&pscdl=noapi&rcb=5&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=2&tag_exp=0~115938465~115938468~117266400~118463262&sid=1776805276&sct=1&seg=0&dl=https%3A%2F%2Fwww.gpo.gov%2F&dt=U.S.%20Government%20Publishing%20Office&en=scroll&epn.percent_scrolled=90&_et=8&tfd=6348' violates the following Content Security Policy directive: "connect-src 'self' d3lopmpcew67el.cloudfront.net accounts.google.com https://*.insight.sitefinity.com https://*.dec.sitefinity.com *.mktoresp.com https://display.popt.in/APIRequest/68463719072e4 https://display.popt.in/APIRequest/viewed/ee6c12968a725 https://display.popt.in/APIRequest/conversion/ https://analytics.google.com https://www.googletagmanager.com https://www.google-analytics.com https://stats.g.doubleclick.net". The action has been blocked.
Connecting to 'https://region1.google-analytics.com/g/collect?v=2&tid=G-VPP8P85209&gtm=45je64h1v9207110606za200zb9207322184zd9207322184&_p=1776805276192&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&are=1&cid=2100140494.1776805276&frm=0&pscdl=noapi&rcb=5&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938468~117266400~118463262&sid=1776805276&sct=1&seg=0&dl=https%3A%2F%2Fwww.gpo.gov%2F&dt=U.S.%20Government%20Publishing%20Office&en=page_view&_fv=2&_nsi=1&_ss=1&_c=1&_ee=1&tfd=1336' violates the following Content Security Policy directive: "connect-src 'self' d3lopmpcew67el.cloudfront.net accounts.google.com https://*.insight.sitefinity.com https://*.dec.sitefinity.com *.mktoresp.com https://display.popt.in/APIRequest/68463719072e4 https://display.popt.in/APIRequest/viewed/ee6c12968a725 https://display.popt.in/APIRequest/conversion/ https://analytics.google.com https://www.googletagmanager.com https://www.google-analytics.com https://stats.g.doubleclick.net". The action has been blocked.
Fetch API cannot load https://region1.google-analytics.com/g/collect?v=2&tid=G-VPP8P85209&gtm=45je64h1v9207110606za200zb9207322184zd9207322184&_p=1776805276192&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&_eu=AEAAAAQ&ae=a&are=1&cid=2100140494.1776805276&frm=0&pscdl=noapi&rcb=5&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=2&tag_exp=0~115938465~115938468~117266400~118463262&sid=1776805276&sct=1&seg=0&dl=https%3A%2F%2Fwww.gpo.gov%2F&dt=U.S.%20Government%20Publishing%20Office&en=scroll&epn.percent_scrolled=90&_et=8&tfd=6348. Refused to connect because it violates the document's Content Security Policy.
Fetch API cannot load https://region1.google-analytics.com/g/collect?v=2&tid=G-VPP8P85209&gtm=45je64h1v9207110606za200zb9207322184zd9207322184&_p=1776805276192&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&are=1&cid=2100140494.1776805276&frm=0&pscdl=noapi&rcb=5&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938468~117266400~118463262&sid=1776805276&sct=1&seg=0&dl=https%3A%2F%2Fwww.gpo.gov%2F&dt=U.S.%20Government%20Publishing%20Office&en=page_view&_fv=2&_nsi=1&_ss=1&_c=1&_ee=1&tfd=1336. Refused to connect because it violates the document's Content Security Policy.
Refused to apply style from 'https://www.gpo.gov/' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled.

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Content security policy

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uses HTTPS
Avoids 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
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
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
77

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.

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
li.dropdown > div.input-group > div.input-group-btn > a.btn
gpo.gov li.dropdown > ul.dropdown-menu > li > a#searchbtn
govinfo li.dropdown > ul.dropdown-menu > li > a#govinfosearchbtn

To appear in search results, crawlers need access to your app.

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Page has successful HTTP status code
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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