Check24.de CHECK24 | Das Vergleichsportal
CHECK24 - Das Vergleichsportal: Sparen Sie mit den Vergleichsrechnern! Versicherungen, Kredite, Strom-, DSL-Tarife, Reisen und Flüge im Vergleich.
check24.de Desktop Performance
63/100
These metrics represent real-world Chrome users experience viewing check24.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
Cumulative Layout Shift
Largest Contentful Paint
First Input Delay
First Contentful Paint
Metrics
Largest Contentful Paint25/100 3.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index54/100 2.2 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time67/100 260 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive79/100 3.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint99/100 0.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (12)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 499 KiB
440 ms
Serve images in next-gen formats
Potential savings of 166 KiB
160 ms
Avoid serving legacy JavaScript to modern browsers
Potential savings of 40 KiB
160 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid an excessive DOM size
4,782 elements
Does not use passive listeners to improve scrolling performance
Avoid `document.write()`
Serve static assets with an efficient cache policy
59 resources found
Minimize main-thread work
2.6 s
Keep request counts low and transfer sizes small
94 requests • 1,911 KiB
Avoid chaining critical requests
11 chains found
Avoid long main-thread tasks
5 long tasks found
Largest Contentful Paint element
1 element found
Passed Audits (19)
Minify CSS
Properly size images
Potential savings of 100 KiB
Efficiently encode images
Potential savings of 23 KiB
Initial server response time was short
Root document took 260 ms
Eliminate render-blocking resources
Avoids large JavaScript libraries with smaller alternatives
0 large libraries found
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Use video formats for animated content
Avoid multiple page redirects
Potential savings of 190 ms
Remove duplicate modules in JavaScript bundles
Preconnect to required origins
All text remains visible during webfont loads
Defer offscreen images
Potential savings of 105 KiB
Avoids enormous network payloads
Total size was 1,911 KiB
Enable text compression
JavaScript execution time
1.0 s
Preload key requests
Minify JavaScript
Remove unused CSS
Potential savings of 149 KiB
check24.de Desktop SEO
75/100
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 (3)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have `[alt]` attributes
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`
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (9)
Links have descriptive text
robots.txt is valid
Document has a valid `hreflang`
Document has a `<title>` element
Page isn’t blocked from indexing
Document has a meta description
Page has successful HTTP status code
Document avoids plugins
Document has a valid `rel=canonical`
check24.de Desktop Best Practices
71/100
These checks highlight opportunities to improve the overall code health of check24.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 (5)
Trust and Safety
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
5 vulnerabilities detected
Does not use HTTPS
1 insecure request found
User Experience
Displays images with incorrect aspect ratio
General
Missing source maps for large first-party JavaScript
Passed Audits (11)
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
Properly defines charset
Page has the HTML doctype
Serves images with appropriate resolution
Avoids requesting the notification permission on page load
Avoids deprecated APIs
Avoids `unload` event listeners
Avoids Application Cache
No browser errors logged to the console
Allows users to paste into password fields
check24.de Desktop Progressive Web App
15/100
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 (10)
PWA Optimized
Manifest doesn't have a maskable icon
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Fast and reliable
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 16.2 s
`start_url` does not respond with a 200 when offline
Installable
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Passed Audits (3)
Provides a valid `apple-touch-icon`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
check24.de Desktop Accessibility
62/100
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 (6)
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
Image elements do not have `[alt]` attributes
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (10)
The page contains a heading, skip link, or landmark region
`[aria-hidden="true"]` is not present on the document `<body>`
ARIA IDs are unique
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Document has a `<title>` element
Buttons have an accessible name
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[id]` attributes on active, focusable elements are unique
Desktop Speed
88/100
These checks analyze the performance of check24.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 (5)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Prioritize visible content
Enable compression
Leverage browser caching
Minify JavaScript
Passed Audits (5)
Avoid landing page redirects
Reduce server response time
Minify CSS
Minify HTML
Optimize images
www.check24.com
www.check24.net
www.check24.org
www.check24.info
www.check24.biz
www.check24.us
www.check24.mobi
www.heck24.de
www.check24.de
www.xheck24.de
www.cxheck24.de
www.xcheck24.de
www.dheck24.de
www.cdheck24.de
www.dcheck24.de
www.fheck24.de
www.cfheck24.de
www.fcheck24.de
www.vheck24.de
www.cvheck24.de
www.vcheck24.de
www.ceck24.de
www.cbeck24.de
www.chbeck24.de
www.cbheck24.de
www.cgeck24.de
www.chgeck24.de
www.cgheck24.de
www.cyeck24.de
www.chyeck24.de
www.cyheck24.de
www.cueck24.de
www.chueck24.de
www.cuheck24.de
www.cjeck24.de
www.chjeck24.de
www.cjheck24.de
www.cneck24.de
www.chneck24.de
www.cnheck24.de
www.chck24.de
www.chwck24.de
www.chewck24.de
www.chweck24.de
www.chsck24.de
www.chesck24.de
www.chseck24.de
www.chdck24.de
www.chedck24.de
www.chdeck24.de
www.chrck24.de
www.cherck24.de
www.chreck24.de
www.chek24.de
www.chexk24.de
www.checxk24.de
www.chexck24.de
www.chedk24.de
www.checdk24.de
www.chefk24.de
www.checfk24.de
www.chefck24.de
www.chevk24.de
www.checvk24.de
www.chevck24.de
www.chec24.de
www.checj24.de
www.checkj24.de
www.checjk24.de
www.checi24.de
www.checki24.de
www.checik24.de
www.checm24.de
www.checkm24.de
www.checmk24.de
www.checl24.de
www.checkl24.de
www.checlk24.de
www.checo24.de
www.checko24.de
www.checok24.de
www.check4.de
www.check2.de
www.check24.net
www.check24.org
www.check24.info
www.check24.biz
www.check24.us
www.check24.mobi
www.heck24.de
www.check24.de
www.xheck24.de
www.cxheck24.de
www.xcheck24.de
www.dheck24.de
www.cdheck24.de
www.dcheck24.de
www.fheck24.de
www.cfheck24.de
www.fcheck24.de
www.vheck24.de
www.cvheck24.de
www.vcheck24.de
www.ceck24.de
www.cbeck24.de
www.chbeck24.de
www.cbheck24.de
www.cgeck24.de
www.chgeck24.de
www.cgheck24.de
www.cyeck24.de
www.chyeck24.de
www.cyheck24.de
www.cueck24.de
www.chueck24.de
www.cuheck24.de
www.cjeck24.de
www.chjeck24.de
www.cjheck24.de
www.cneck24.de
www.chneck24.de
www.cnheck24.de
www.chck24.de
www.chwck24.de
www.chewck24.de
www.chweck24.de
www.chsck24.de
www.chesck24.de
www.chseck24.de
www.chdck24.de
www.chedck24.de
www.chdeck24.de
www.chrck24.de
www.cherck24.de
www.chreck24.de
www.chek24.de
www.chexk24.de
www.checxk24.de
www.chexck24.de
www.chedk24.de
www.checdk24.de
www.chefk24.de
www.checfk24.de
www.chefck24.de
www.chevk24.de
www.checvk24.de
www.chevck24.de
www.chec24.de
www.checj24.de
www.checkj24.de
www.checjk24.de
www.checi24.de
www.checki24.de
www.checik24.de
www.checm24.de
www.checkm24.de
www.checmk24.de
www.checl24.de
www.checkl24.de
www.checlk24.de
www.checo24.de
www.checko24.de
www.checok24.de
www.check4.de
www.check2.de