Ed.gov Home | U.S. Department of Education
ed.gov Desktop Performance
79/100
These metrics represent real-world Chrome users experience viewing ed.gov web page. Reports are focused on loading performance and other critical factors that most affect user experience. Follow our guide to track, optimize, and improve the quality of your web pages.
User Loading Experience
First Contentful Paint
Largest Contentful Paint
Cumulative Layout Shift
First Input Delay
Metrics
Speed Index34/100 2.8 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint68/100 1.3 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Largest Contentful Paint75/100 1.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive99/100 1.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (10)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 1,130 ms
1,130 ms
Preload key requests
Potential savings of 820 ms
820 ms
Enable text compression
Potential savings of 175 KiB
160 ms
Remove unused JavaScript
Potential savings of 119 KiB
80 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
37 resources found
Avoid chaining critical requests
17 chains found
Keep request counts low and transfer sizes small
46 requests • 530 KiB
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
1 long task found
Passed Audits (18)
Use video formats for animated content
Avoids `document.write()`
Preconnect to required origins
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Minimizes main-thread work
0.5 s
Avoids an excessive DOM size
370 elements
Defer offscreen images
JavaScript execution time
0.2 s
Avoid multiple page redirects
Potential savings of 190 ms
Properly size images
Initial server response time was short
Root document took 330 ms
Minify CSS
Efficiently encode images
Serve images in next-gen formats
Potential savings of 51 KiB
Minify JavaScript
Potential savings of 24 KiB
Remove unused CSS
Potential savings of 26 KiB
Avoids enormous network payloads
Total size was 530 KiB
Uses passive listeners to improve scrolling performance
ed.gov Desktop SEO
82/100
These checks ensure that your page is optimized for search engine results ranking. There are additional factors Lighthouse does not check that may affect your search ranking. Learn more. Run these additional validators on your site to check additional SEO best practices.
Should Fix (2)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (9)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
robots.txt is valid
Document has a valid `hreflang`
Document has a `<title>` element
Links have descriptive text
Page isn’t blocked from indexing
Image elements have `[alt]` attributes
Page has successful HTTP status code
Document avoids plugins
ed.gov Desktop Best Practices
69/100
These checks highlight opportunities to improve the overall code health of ed.gov page. Current recommendations will help to make your page fast and secure, to create a good user experience and to avoid deprecated technologies.
Should Fix (4)
Browser Compatibility
Page lacks the HTML doctype, thus triggering quirks-mode
General
Browser errors were logged to the console
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Passed Audits (10)
Properly defines charset
Detected JavaScript libraries
Avoids Application Cache
Serves images with appropriate resolution
Displays images with correct aspect ratio
Avoids deprecated APIs
Links to cross-origin destinations are safe
Avoids requesting the geolocation permission on page load
Allows users to paste into password fields
Avoids requesting the notification permission on page load
ed.gov Desktop Progressive Web App
48/100
These checks validate the aspects of a Progressive Web App. Learn more. These checks are required by the baseline PWA Checklist but are not automatically checked by Lighthouse. They do not affect your score but it's important that you verify them manually.
Should Fix (8)
PWA Optimized
Does not set a theme color for the address bar.
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Installable
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Passed Audits (5)
Redirects HTTP traffic to HTTPS
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Provides a valid `apple-touch-icon`
Page load is fast enough on mobile networks
ed.gov Desktop Accessibility
90/100
These checks highlight opportunities to improve the accessibility of your web app. Only a subset of accessibility issues can be automatically detected so manual testing is also encouraged. These items address areas which an automated testing tool cannot cover. Learn more in our guide on conducting an accessibility review.
Should Fix (2)
Names and labels
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.
Links do not have a discernible name
Buttons do not have an accessible name
Passed Audits (18)
The page contains a heading, skip link, or landmark region
Heading elements appear in a sequentially-descending order
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[aria-hidden="true"]` is not present on the document `<body>`
`[id]` attributes on active, focusable elements are unique
`[role]`s are contained by their required parent element
ARIA IDs are unique
`<html>` element has a valid value for its `[lang]` attribute
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`[role]` values are valid
Image elements have `[alt]` attributes
Background and foreground colors have a sufficient contrast ratio
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Form elements have associated labels
`[role]`s have all required `[aria-*]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Desktop Speed
56/100
These checks analyze the performance of ed.gov on desktop devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (6)
Optimize images
Enable compression
Avoid landing page redirects
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Minify JavaScript
Passed Audits (4)
Reduce server response time
Minify CSS
Minify HTML
Prioritize visible content
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