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gmw.cn Mobile Performance
38/100
These metrics represent real-world Chrome users experience viewing gmw.cn 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.
Metrics
Largest Contentful Paint0/100 14.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index3/100 12.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive34/100 9.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint65/100 3.4 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Total Blocking Time72/100 430 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Cumulative Layout Shift99/100 0.044
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (19)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Serve images in next-gen formats
Potential savings of 858 KiB
5,370 ms
Enable text compression
Potential savings of 231 KiB
5,020 ms
Efficiently encode images
Potential savings of 598 KiB
3,780 ms
Remove unused JavaScript
Potential savings of 67 KiB
2,940 ms
Reduce initial server response time
Root document took 1,890 ms
1,286 ms
Properly size images
Potential savings of 143 KiB
690 ms
Remove unused CSS
Potential savings of 87 KiB
300 ms
Defer offscreen images
Potential savings of 257 KiB
150 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Minimize main-thread work
8.1 s
Serve static assets with an efficient cache policy
162 resources found
Avoid an excessive DOM size
1,492 elements
Reduce JavaScript execution time
2.7 s
Avoid enormous network payloads
Total size was 3,194 KiB
Avoid chaining critical requests
11 chains found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
187 requests • 3,194 KiB
Avoid long main-thread tasks
17 long tasks found
Avoid large layout shifts
5 elements found
Passed Audits (10)
Preload key requests
Avoid multiple page redirects
Minify JavaScript
Potential savings of 11 KiB
Uses passive listeners to improve scrolling performance
Preconnect to required origins
Eliminate render-blocking resources
Minify CSS
Potential savings of 4 KiB
Use video formats for animated content
All text remains visible during webfont loads
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
gmw.cn Mobile SEO
54/100
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 (6)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
robots.txt is not valid
Links are not crawlable
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.
Document doesn't use legible font sizes
Tap targets are not sized appropriately
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Passed Audits (7)
Document avoids plugins
Document has a valid `hreflang`
Document has a `<title>` element
Page isn’t blocked from indexing
Document has a meta description
Links have descriptive text
Page has successful HTTP status code
gmw.cn Mobile Best Practices
54/100
These checks highlight opportunities to improve the overall code health of gmw.cn 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 (6)
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
6 vulnerabilities detected
Links to cross-origin destinations are unsafe
Does not use HTTPS
35 insecure requests found
User Experience
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Browser errors were logged to the console
Passed Audits (8)
Allows users to paste into password fields
Page has the HTML doctype
Avoids deprecated APIs
Detected JavaScript libraries
Avoids Application Cache
Avoids requesting the geolocation permission on page load
Properly defines charset
Avoids requesting the notification permission on page load
gmw.cn Mobile Progressive Web App
29/100
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 have a `<meta name="viewport">` tag with `width` or `initial-scale`
Does not set a theme color for the address bar.
Content is not sized correctly for the viewport
Is not configured for a custom splash screen
Does not redirect HTTP traffic to HTTPS
Does not provide a valid `apple-touch-icon`
Installable
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Does not use HTTPS
35 insecure requests found
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Passed Audits (2)
Contains some content when JavaScript is not available
Page load is fast enough on mobile networks
gmw.cn Mobile Accessibility
53/100
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.
Form elements do not have associated labels
Links do not have a discernible name
Image elements do not have `[alt]` attributes
`<frame>` or `<iframe>` elements do not have a title
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
Passed Audits (9)
Background and foreground colors have a sufficient contrast ratio
Heading elements appear in a sequentially-descending order
Document has a `<title>` element
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[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
No element has a `[tabindex]` value greater than 0
Mobile Usability
59/100
These checks validate how easily a visitor can use gmw.cn 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 (4)
Use legible font sizes
Size tap targets appropriately
Configure the viewport
Size content to viewport
Passed Audits (1)
Avoid plugins
Mobile Speed
42/100
These checks analyze the performance of gmw.cn 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)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Enable compression
Leverage browser caching
Minify JavaScript
Minify HTML
Passed Audits (4)
Avoid landing page redirects
Reduce server response time
Minify CSS
Prioritize visible content
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