Idealo.de IDEALO – die Nr. 1 im Preisvergleich
Preisvergleich und Online Shopping. Preisagentur für Handy, DVD, Musik, Bücher, Digitalkamera, Fernseher, Film, CD, CDs, DVD-Player, MP3-Player, MD-Pl...
idealo.de Mobile Performance
21/100
These metrics represent real-world Chrome users experience viewing idealo.de on mobile devices. 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
Largest Contentful Paint
First Contentful Paint
First Input Delay
Cumulative Layout Shift
Metrics
Largest Contentful Paint1/100 9.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Cumulative Layout Shift3/100 0.918
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time5/100 1,520 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive15/100 12.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index32/100 7.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint84/100 2.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Should Fix (17)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 281 KiB
1,170 ms
Minify JavaScript
Potential savings of 8 KiB
120 ms
Defer offscreen images
Potential savings of 22 KiB
90 ms
Reduce initial server response time
Root document took 640 ms
40 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Ensure text remains visible during webfont load
Reduce the impact of third-party code
Third-party code blocked the main thread for 910 ms
Does not use passive listeners to improve scrolling performance
Minimize main-thread work
6.6 s
Serve static assets with an efficient cache policy
25 resources found
Reduce JavaScript execution time
3.9 s
Avoid an excessive DOM size
1,458 elements
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
101 requests • 1,241 KiB
Avoid chaining critical requests
6 chains found
Avoid large layout shifts
5 elements found
Avoid long main-thread tasks
20 long tasks found
Passed Audits (12)
Avoids enormous network payloads
Total size was 1,241 KiB
Efficiently encode images
Serve images in next-gen formats
Potential savings of 11 KiB
Eliminate render-blocking resources
Potential savings of 0 ms
Preload key requests
Minify CSS
Enable text compression
Remove unused CSS
Potential savings of 13 KiB
Use video formats for animated content
Properly size images
Avoid multiple page redirects
Potential savings of 630 ms
Preconnect to required origins
idealo.de Mobile SEO
98/100
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.
Tap targets are not sized appropriately
86% appropriately sized tap targets
Passed Audits (13)
Links have descriptive text
Links are crawlable
Document has a valid `rel=canonical`
Document has a valid `hreflang`
robots.txt is valid
Document has a meta description
Image elements have `[alt]` attributes
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page has successful HTTP status code
Document uses legible font sizes
100% legible text
Document has a `<title>` element
Document avoids plugins
Page isn’t blocked from indexing
idealo.de Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of idealo.de mobile 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)
General
Browser errors were logged to the console
Trust and Safety
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
User Experience
Serves images with low resolution
Passed Audits (10)
Avoids Application Cache
Page has the HTML doctype
Avoids front-end JavaScript libraries with known security vulnerabilities
Properly defines charset
Allows users to paste into password fields
Avoids requesting the notification permission on page load
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
Displays images with correct aspect ratio
Avoids deprecated APIs
idealo.de Mobile Progressive Web App
0/100
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 (12)
PWA Optimized
Manifest doesn't have a maskable icon
Does not provide a valid `apple-touch-icon`
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
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
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 12.5 s
Passed Audits (2)
Content is sized correctly for the viewport
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
idealo.de Mobile Accessibility
97/100
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)
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (22)
Form elements have associated labels
Links have a discernible name
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`[aria-*]` attributes have valid values
Buttons have an accessible name
`[aria-*]` attributes are valid and not misspelled
`<html>` element has a valid value for its `[lang]` attribute
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
No element has a `[tabindex]` value greater than 0
The page contains a heading, skip link, or landmark region
Image elements have `[alt]` attributes
`[aria-hidden="true"]` is not present on the document `<body>`
`<html>` element has a `[lang]` attribute
`[role]`s are contained by their required parent element
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-*]` attributes match their roles
ARIA IDs are unique
`[role]`s have all required `[aria-*]` attributes
Document has a `<title>` element
`[role]` values are valid
Mobile Usability
99/100
These checks validate how easily a visitor can use idealo.de on a mobile device. Test results include a list of any mobile usability problems. Mobile usability problems are issues that can affect a user that visits the page on a mobile (small screen) device, including small font sizes (which are hard to read on a small screen).
Should Fix (1)
Size tap targets appropriately
Passed Audits (4)
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
48/100
These checks analyze the performance of idealo.de on mobile 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
Avoid landing page redirects
Prioritize visible content
Leverage browser caching
Enable compression
Passed Audits (5)
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Optimize images
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