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dkb.de Desktop Performance
73/100
These metrics represent real-world Chrome users experience viewing dkb.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
First Input Delay
First Contentful Paint
Largest Contentful Paint
Metrics
Largest Contentful Paint29/100 3.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. 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.
Speed Index76/100 1.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive97/100 1.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Cumulative Layout Shift97/100 0.064
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 20 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (17)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Preload key requests
Potential savings of 1,030 ms
1,030 ms
Eliminate render-blocking resources
Potential savings of 710 ms
714 ms
Reduce initial server response time
Root document took 700 ms
598 ms
Serve images in next-gen formats
Potential savings of 493 KiB
440 ms
Avoid multiple page redirects
Potential savings of 340 ms
340 ms
Remove unused CSS
Potential savings of 209 KiB
240 ms
Remove unused JavaScript
Potential savings of 190 KiB
160 ms
Properly size images
Potential savings of 208 KiB
120 ms
Efficiently encode images
Potential savings of 78 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
Does not use passive listeners to improve scrolling performance
Serve static assets with an efficient cache policy
2 resources found
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
3 long tasks found
Avoid large layout shifts
1 element found
Keep request counts low and transfer sizes small
41 requests • 2,048 KiB
Avoid chaining critical requests
10 chains found
Passed Audits (15)
Remove duplicate modules in JavaScript bundles
Avoids large JavaScript libraries with smaller alternatives
0 large libraries found
Preconnect to required origins
Minify CSS
Defer offscreen images
Avoids an excessive DOM size
716 elements
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Use video formats for animated content
Potential savings of 62 KiB
Enable text compression
JavaScript execution time
0.3 s
Avoids enormous network payloads
Total size was 2,048 KiB
Minimizes main-thread work
0.8 s
Avoid serving legacy JavaScript to modern browsers
Avoids `document.write()`
Minify JavaScript
dkb.de Desktop SEO
83/100
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.
Image elements do not have `[alt]` attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (10)
Document has a valid `rel=canonical`
Links have descriptive text
Document has a valid `hreflang`
Document has a `<title>` element
Page has successful HTTP status code
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page isn’t blocked from indexing
Document avoids plugins
robots.txt is valid
Document has a meta description
dkb.de Desktop Best Practices
71/100
These checks highlight opportunities to improve the overall code health of dkb.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
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
13 vulnerabilities detected
General
Registers an `unload` listener
Missing source maps for large first-party JavaScript
Passed Audits (11)
Properly defines charset
Avoids requesting the notification permission on page load
No browser errors logged to the console
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
Serves images with appropriate resolution
Displays images with correct aspect ratio
Allows users to paste into password fields
Avoids Application Cache
Page has the HTML doctype
Avoids deprecated APIs
dkb.de Desktop Progressive Web App
22/100
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 (9)
PWA Optimized
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
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
Fast and reliable
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 10.8 s
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Passed Audits (4)
Provides a valid `apple-touch-icon`
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
dkb.de Desktop Accessibility
56/100
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 (10)
Navigation
These are opportunities to improve keyboard navigation in your application.
`[id]` attributes on active, focusable elements 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.
Form elements do not have associated labels
Image elements do not have `[alt]` attributes
Buttons do not have an accessible name
Links do not have a discernible name
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-*]` attributes do not have valid values
Best practices
These items highlight common accessibility best practices.
`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are not contained within `<ul>` or `<ol>` parent elements.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (12)
`<html>` element has a valid value for its `[lang]` attribute
The page contains a heading, skip link, or landmark region
`[aria-*]` attributes are valid and not misspelled
`<html>` element has a `[lang]` attribute
`[role]`s have all required `[aria-*]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s are contained by their required parent element
`[aria-*]` attributes match their roles
Document has a `<title>` element
`[role]` values are valid
Heading elements appear in a sequentially-descending order
Desktop Speed
31/100
These checks analyze the performance of dkb.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 (6)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Reduce server response time
Enable compression
Minify CSS
Passed Audits (4)
Avoid landing page redirects
Minify HTML
Minify JavaScript
Prioritize visible content
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