Metro.co.uk Metro.co.uk: News, Sport, Showbiz, Celebrities from Metro
Metro.co.uk: News, Sport, Showbiz, Celebrities from Metro
metro.co.uk Mobile Performance
10/100
These metrics represent real-world Chrome users experience viewing metro.co.uk 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
First Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Time to Interactive0/100 45.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time0/100 5,380 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint0/100 10.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index0/100 19.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Cumulative Layout Shift19/100 0.469
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
First Contentful Paint58/100 3.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Should Fix (23)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Use video formats for animated content
Potential savings of 2,180 KiB
10,070 ms
Defer offscreen images
Potential savings of 1,585 KiB
7,770 ms
Remove unused JavaScript
Potential savings of 719 KiB
6,450 ms
Properly size images
Potential savings of 1,563 KiB
6,260 ms
Eliminate render-blocking resources
Potential savings of 3,060 ms
3,059 ms
Serve images in next-gen formats
Potential savings of 70 KiB
2,850 ms
Reduce initial server response time
Root document took 1,190 ms
593 ms
Remove unused CSS
Potential savings of 55 KiB
480 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Reduce the impact of third-party code
Third-party code blocked the main thread for 5,740 ms
Ensure text remains visible during webfont load
Minimize main-thread work
33.6 s
Avoid `document.write()`
Does not use passive listeners to improve scrolling performance
Reduce JavaScript execution time
20.7 s
Serve static assets with an efficient cache policy
67 resources found
Avoid enormous network payloads
Total size was 6,965 KiB
Avoid an excessive DOM size
1,124 elements
Avoid long main-thread tasks
20 long tasks found
Keep request counts low and transfer sizes small
566 requests • 6,965 KiB
Avoid chaining critical requests
11 chains found
Largest Contentful Paint element
1 element found
Avoid large layout shifts
1 element found
User Timing marks and measures
30 user timings
Passed Audits (7)
Avoid multiple page redirects
Potential savings of 630 ms
Minify CSS
Enable text compression
Potential savings of 4 KiB
Minify JavaScript
Efficiently encode images
Preload key requests
Preconnect to required origins
metro.co.uk Mobile SEO
93/100
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)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (13)
Tap targets are sized appropriately
100% appropriately sized tap targets
Document has a valid `rel=canonical`
Document has a `<title>` element
Links have descriptive text
Document has a meta description
robots.txt is valid
Document uses legible font sizes
99.86% legible text
Page isn’t blocked from indexing
Page has successful HTTP status code
Document has a valid `hreflang`
Document avoids plugins
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Image elements have `[alt]` attributes
metro.co.uk Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of metro.co.uk 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 (3)
General
Browser errors were logged to the console
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Passed Audits (11)
Page has the HTML doctype
Displays images with correct aspect ratio
Avoids deprecated APIs
Links to cross-origin destinations are safe
Avoids requesting the geolocation permission on page load
Serves images with appropriate resolution
Avoids requesting the notification permission on page load
Properly defines charset
Allows users to paste into password fields
Detected JavaScript libraries
Avoids Application Cache
metro.co.uk Mobile Progressive Web App
64/100
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 (3)
Installable
Does not use HTTPS
1 insecure request found
PWA Optimized
Manifest doesn't have a maskable icon
Fast and reliable
Page load is not fast enough on mobile networks
Interactive at 45.8 s
Passed Audits (11)
Web app manifest meets the installability requirements
Configured for a custom splash screen
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
Provides a valid `apple-touch-icon`
`start_url` responds with a 200 when offline
Sets a theme color for the address bar.
Content is sized correctly for the viewport
Current page responds with a 200 when offline
Registers a service worker that controls page and `start_url`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
metro.co.uk Mobile Accessibility
71/100
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 (4)
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.
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
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.
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)
Document has a `<title>` element
`<html>` element has a valid value for its `[lang]` attribute
`[aria-hidden="true"]` is not present on the document `<body>`
`<html>` element has a `[lang]` attribute
`<frame>` or `<iframe>` elements have a title
`[id]` attributes on active, focusable elements are unique
The page contains a heading, skip link, or landmark region
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Image elements have `[alt]` attributes
Mobile Usability
99/100
These checks validate how easily a visitor can use metro.co.uk 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 (5)
Avoid app install interstitials that hide content
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
40/100
These checks analyze the performance of metro.co.uk 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 (6)
Enable compression
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Minify JavaScript
Leverage browser caching
Optimize images
Minify CSS
Passed Audits (4)
Avoid landing page redirects
Reduce server response time
Minify HTML
Prioritize visible content
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