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web.de Desktop Performance
67/100
These metrics represent real-world Chrome users experience viewing web.de 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
First Input Delay
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Speed Index20/100 3.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time51/100 350 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint77/100 1.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive80/100 3.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint97/100 0.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0.015
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (10)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Reduce initial server response time
Root document took 1,150 ms
549 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Serve static assets with an efficient cache policy
104 resources found
Avoid an excessive DOM size
2,443 elements
Minimize main-thread work
2.8 s
JavaScript execution time
1.2 s
Avoid long main-thread tasks
6 long tasks found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
8 chains found
Keep request counts low and transfer sizes small
158 requests • 1,925 KiB
Passed Audits (18)
Avoids enormous network payloads
Total size was 1,925 KiB
Enable text compression
Efficiently encode images
Eliminate render-blocking resources
Potential savings of 40 ms
All text remains visible during webfont loads
Minify JavaScript
Minify CSS
Uses passive listeners to improve scrolling performance
Remove unused JavaScript
Potential savings of 43 KiB
Preconnect to required origins
Properly size images
Avoid multiple page redirects
Potential savings of 190 ms
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Serve images in next-gen formats
Potential savings of 424 KiB
Use video formats for animated content
Remove unused CSS
Potential savings of 54 KiB
Preload key requests
Defer offscreen images
Potential savings of 45 KiB
web.de Desktop SEO
92/100
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 (1)
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. Learn more.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Passed Audits (11)
Image elements have `[alt]` attributes
Document has a meta description
Document has a valid `hreflang`
Links are crawlable
Document avoids plugins
robots.txt is valid
Document has a valid `rel=canonical`
Document has a `<title>` element
Page has successful HTTP status code
Links have descriptive text
Page isn’t blocked from indexing
web.de Desktop Best Practices
77/100
These checks highlight opportunities to improve the overall code health of web.de 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 (3)
Trust and Safety
Links to cross-origin destinations are unsafe
Does not use HTTPS
1 insecure request found
General
Browser errors were logged to the console
Passed Audits (11)
Allows users to paste into password fields
Avoids requesting the geolocation permission on page load
Page has the HTML doctype
Avoids deprecated APIs
Properly defines charset
Avoids front-end JavaScript libraries with known security vulnerabilities
Displays images with correct aspect ratio
Serves images with appropriate resolution
Avoids Application Cache
Avoids requesting the notification permission on page load
Detected JavaScript libraries
web.de Desktop Progressive Web App
11/100
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 (11)
PWA Optimized
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Installable
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
1 insecure request found
Fast and reliable
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 11.9 s
Current page does not respond with a 200 when offline
Passed Audits (2)
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
web.de Desktop Accessibility
61/100
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 (8)
ARIA
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.
ARIA IDs are not unique
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.
`<frame>` or `<iframe>` elements do not have a title
Links do not have a discernible name
Buttons do not have an accessible name
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (11)
`[aria-hidden="true"]` is not present on the document `<body>`
`[aria-*]` attributes are valid and not misspelled
Image elements have `[alt]` attributes
`[aria-*]` attributes match their roles
The page contains a heading, skip link, or landmark region
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-*]` attributes have valid values
Document has a `<title>` element
No element has a `[tabindex]` value greater than 0
`[id]` attributes on active, focusable elements are unique
Desktop Speed
83/100
These checks analyze the performance of web.de 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 (3)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Minify HTML
Passed Audits (7)
Avoid landing page redirects
Enable compression
Leverage browser caching
Reduce server response time
Minify CSS
Minify JavaScript
Prioritize visible content
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