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otto.de Desktop Performance
64/100
These metrics represent real-world Chrome users experience viewing otto.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
Largest Contentful Paint
Cumulative Layout Shift
First Input Delay
First Contentful Paint
Metrics
Speed Index25/100 3.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint38/100 1.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Largest Contentful Paint41/100 2.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Cumulative Layout Shift93/100 0.085
Cumulative Layout Shift measures the movement of visible elements within the viewport. 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.
Total Blocking Time100/100 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (12)
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 1,030 ms
432 ms
Eliminate render-blocking resources
Potential savings of 420 ms
420 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
Avoid an excessive DOM size
4,926 elements
Serve static assets with an efficient cache policy
89 resources found
Minimizes main-thread work
1.9 s
Avoid large layout shifts
3 elements found
Avoid long main-thread tasks
1 long task found
Keep request counts low and transfer sizes small
191 requests • 1,641 KiB
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
10 chains found
Passed Audits (17)
Remove unused CSS
Potential savings of 11 KiB
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Avoids enormous network payloads
Total size was 1,641 KiB
Minify CSS
Preload key requests
Efficiently encode images
Serve images in next-gen formats
Potential savings of 119 KiB
Remove unused JavaScript
Preconnect to required origins
Properly size images
Potential savings of 601 KiB
Avoids `document.write()`
Minify JavaScript
Use video formats for animated content
Enable text compression
Defer offscreen images
Avoid multiple page redirects
Potential savings of 190 ms
JavaScript execution time
0.3 s
otto.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 `hreflang`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page isn’t blocked from indexing
Links have descriptive text
Document has a meta description
Document has a valid `rel=canonical`
Document has a `<title>` element
Document avoids plugins
robots.txt is valid
Page has successful HTTP status code
otto.de Desktop Best Practices
85/100
These checks highlight opportunities to improve the overall code health of otto.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)
Links to cross-origin destinations are safe
Allows users to paste into password fields
Avoids requesting the notification permission on page load
Avoids front-end JavaScript libraries with known security vulnerabilities
Serves images with appropriate resolution
Properly defines charset
Avoids Application Cache
Avoids deprecated APIs
Avoids requesting the geolocation permission on page load
Page has the HTML doctype
Detected JavaScript libraries
Displays images with correct aspect ratio
otto.de Desktop Progressive Web App
33/100
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 (7)
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 11.3 s
Current page does not respond with a 200 when offline
PWA Optimized
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Installable
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Passed Audits (6)
Sets a theme color for the address bar.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Web app manifest meets the installability requirements
Provides a valid `apple-touch-icon`
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
otto.de Desktop Accessibility
75/100
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)
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
Form elements do not have associated labels
Links do not have a discernible name
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 (13)
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[role]`s have all required `[aria-*]` attributes
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`[role]` values are valid
Buttons have an accessible name
`[role]`s are contained by their required parent element
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Document has a `<title>` element
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Heading elements appear in a sequentially-descending order
`[id]` attributes on active, focusable elements are unique
`[aria-hidden="true"]` is not present on the document `<body>`
The page contains a heading, skip link, or landmark region
Desktop Speed
68/100
These checks analyze the performance of otto.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)
Leverage browser caching
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Passed Audits (7)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Prioritize visible content
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