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gome.com.cn Mobile Performance
26/100
These metrics represent real-world Chrome users experience viewing gome.com.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.
User Loading Experience
Cumulative Layout Shift
Largest Contentful Paint
First Input Delay
First Contentful Paint
Metrics
Speed Index1/100 15.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint9/100 6.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive16/100 12.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint30/100 5.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift30/100 0.362
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time59/100 530 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (16)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Avoid multiple page redirects
Potential savings of 7,890 ms
7,890 ms
Defer offscreen images
Potential savings of 332 KiB
1,970 ms
Reduce initial server response time
Root document took 1,900 ms
1,298 ms
Properly size images
Potential savings of 260 KiB
960 ms
Remove unused JavaScript
Potential savings of 74 KiB
560 ms
Remove unused CSS
Potential savings of 85 KiB
540 ms
Eliminate render-blocking resources
Potential savings of 300 ms
300 ms
Use video formats for animated content
Potential savings of 96 KiB
300 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Minimize main-thread work
6.8 s
Serve static assets with an efficient cache policy
64 resources found
Reduce JavaScript execution time
1.9 s
Avoid chaining critical requests
3 chains found
Keep request counts low and transfer sizes small
90 requests • 1,503 KiB
Largest Contentful Paint element
1 element found
Avoid large layout shifts
5 elements found
Avoid long main-thread tasks
11 long tasks found
Passed Audits (13)
All text remains visible during webfont loads
Efficiently encode images
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Preload key requests
Serve images in next-gen formats
Avoids an excessive DOM size
633 elements
Enable text compression
Uses passive listeners to improve scrolling performance
Minify CSS
Minify JavaScript
Avoids `document.write()`
Preconnect to required origins
Avoids enormous network payloads
Total size was 1,503 KiB
gome.com.cn Mobile SEO
73/100
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 (4)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
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
52.49% legible text
Tap targets are not sized appropriately
80% appropriately sized tap targets
Passed Audits (8)
Page isn’t blocked from indexing
Document has a `<title>` element
Document has a valid `hreflang`
Document avoids plugins
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links have descriptive text
Page has successful HTTP status code
Document has a meta description
gome.com.cn Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of gome.com.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 (4)
Trust and Safety
Requests the geolocation permission on page load
Includes front-end JavaScript libraries with known security vulnerabilities
2 vulnerabilities detected
Does not use HTTPS
4 insecure requests found
General
Browser errors were logged to the console
Passed Audits (10)
Page has the HTML doctype
Properly defines charset
Serves images with appropriate resolution
Allows users to paste into password fields
Avoids deprecated APIs
Displays images with correct aspect ratio
Avoids requesting the notification permission on page load
Detected JavaScript libraries
Avoids Application Cache
Links to cross-origin destinations are safe
gome.com.cn Mobile Progressive Web App
25/100
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 (9)
PWA Optimized
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
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
4 insecure requests found
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 12.3 s
Passed Audits (5)
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Content is sized correctly for the viewport
Provides a valid `apple-touch-icon`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
gome.com.cn Mobile 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 (6)
Navigation
These are opportunities to improve keyboard navigation in your application.
The page does not contain a heading, skip link, or landmark region
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
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
Image elements do not have `[alt]` attributes
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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.
Passed Audits (13)
`[role]` values are valid
Document has a `<title>` element
`[aria-hidden="true"]` is not present on the document `<body>`
`[aria-*]` attributes have valid values
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[role]`s have all required `[aria-*]` attributes
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
`[aria-*]` attributes are valid and not misspelled
`[role]`s are contained by their required parent element
Definition list items are wrapped in `<dl>` elements
`[aria-*]` attributes match their roles
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Mobile Usability
99/100
These checks validate how easily a visitor can use gome.com.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 (1)
Size tap targets appropriately
Passed Audits (4)
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
33/100
These checks analyze the performance of gome.com.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 (9)
Optimize images
Avoid landing page redirects
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Reduce server response time
Enable compression
Minify HTML
Minify JavaScript
Minify CSS
Passed Audits (1)
Prioritize visible content
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