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amazon.de Desktop Performance
69/100
These metrics represent real-world Chrome users experience viewing amazon.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
Speed Index28/100 3.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint45/100 2.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive70/100 3.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint87/100 1.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift94/100 0.081
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 (18)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Avoid multiple page redirects
Potential savings of 340 ms
340 ms
Serve images in next-gen formats
Potential savings of 257 KiB
220 ms
Properly size images
Potential savings of 330 KiB
210 ms
Remove unused JavaScript
Potential savings of 108 KiB
170 ms
Defer offscreen images
Potential savings of 352 KiB
80 ms
Efficiently encode images
Potential savings of 126 KiB
70 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Does not use passive listeners to improve scrolling performance
Ensure text remains visible during webfont load
Avoid an excessive DOM size
1,817 elements
Avoid enormous network payloads
Total size was 4,192 KiB
Minimize main-thread work
2.8 s
Reduce JavaScript execution time
1.5 s
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
3 chains found
Avoid long main-thread tasks
4 long tasks found
Avoid large layout shifts
5 elements found
Keep request counts low and transfer sizes small
338 requests • 4,192 KiB
Passed Audits (11)
Use video formats for animated content
Preconnect to required origins
Remove unused CSS
Potential savings of 74 KiB
Minimize third-party usage
Third-party code blocked the main thread for 20 ms
Eliminate render-blocking resources
Preload key requests
Uses efficient cache policy on static assets
14 resources found
Enable text compression
Minify JavaScript
Minify CSS
Initial server response time was short
Root document took 460 ms
amazon.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)
Document has a `<title>` element
Document has a valid `rel=canonical`
Links have descriptive text
Document has a valid `hreflang`
Page isn’t blocked from indexing
Page has successful HTTP status code
Document has a meta description
robots.txt is valid
Document avoids plugins
amazon.de Desktop Best Practices
85/100
These checks highlight opportunities to improve the overall code health of amazon.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 (2)
Trust and Safety
Does not use HTTPS
1 insecure request found
General
Browser errors were logged to the console
Passed Audits (12)
Properly defines charset
Avoids requesting the notification permission on page load
Allows users to paste into password fields
Serves images with appropriate resolution
Page has the HTML doctype
Avoids Application Cache
Avoids front-end JavaScript libraries with known security vulnerabilities
Avoids deprecated APIs
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
Displays images with correct aspect ratio
Links to cross-origin destinations are safe
amazon.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
Is not configured for a custom splash screen
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Manifest doesn't have a maskable icon
Fast and reliable
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 13.7 s
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
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
Passed Audits (2)
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
amazon.de Desktop Accessibility
86/100
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 (5)
Navigation
These are opportunities to improve keyboard navigation in your application.
Some elements have a `[tabindex]` value greater than 0
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-hidden="true"]` elements contain focusable descendents
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.
Image elements do not have `[alt]` attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (21)
`[id]` attributes on active, focusable elements are unique
`[aria-*]` attributes are valid and not misspelled
ARIA IDs are unique
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Document has a `<title>` element
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
`<html>` element has a `[lang]` attribute
Heading elements appear in a sequentially-descending order
`[aria-hidden="true"]` is not present on the document `<body>`
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
`[role]`s are contained by their required parent element
Form elements have associated labels
Buttons have an accessible name
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-*]` attributes have valid values
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<html>` element has a valid value for its `[lang]` attribute
`[aria-*]` attributes match their roles
The page contains a heading, skip link, or landmark region
Desktop Speed
66/100
These checks analyze the performance of amazon.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)
Optimize images
Avoid landing page redirects
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Reduce server response time
Passed Audits (5)
Enable compression
Minify CSS
Minify HTML
Minify JavaScript
Prioritize visible content
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