Zing.vn Zing.vn - Tin tức 24h, hình ảnh ấn tượng - ZING.VN
Cập nhật tin tức mới và nóng nhất về Đời sống - Xã hội, Kinh tế, Thế giới, Thể thao, Giải trí, Công nghệ và nhiều lĩnh vực khác…
zing.vn Mobile Performance
14/100
These metrics represent real-world Chrome users experience viewing zing.vn 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
Largest Contentful Paint
First Contentful Paint
First Input Delay
Cumulative Layout Shift
Metrics
Largest Contentful Paint0/100 12.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive3/100 18.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index4/100 12.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time9/100 1,310 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
First Contentful Paint39/100 4.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0.001
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (22)
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 558 KiB
3,510 ms
Efficiently encode images
Potential savings of 325 KiB
1,620 ms
Remove unused JavaScript
Potential savings of 223 KiB
1,590 ms
Defer offscreen images
Potential savings of 369 KiB
1,110 ms
Eliminate render-blocking resources
Potential savings of 900 ms
904 ms
Reduce initial server response time
Root document took 1,220 ms
623 ms
Properly size images
Potential savings of 106 KiB
510 ms
Remove unused CSS
Potential savings of 32 KiB
180 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
Reduce the impact of third-party code
Third-party code blocked the main thread for 270 ms
Does not use passive listeners to improve scrolling performance
Avoid `document.write()`
Minimize main-thread work
10.0 s
Serve static assets with an efficient cache policy
74 resources found
Reduce JavaScript execution time
4.8 s
Avoid an excessive DOM size
1,580 elements
Avoids enormous network payloads
Total size was 2,676 KiB
Keep request counts low and transfer sizes small
246 requests • 2,676 KiB
Avoid large layout shifts
2 elements found
Avoid long main-thread tasks
20 long tasks found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
19 chains found
Passed Audits (7)
Enable text compression
Potential savings of 3 KiB
Avoid multiple page redirects
Potential savings of 5,310 ms
Preconnect to required origins
Preload key requests
Minify JavaScript
Minify CSS
Use video formats for animated content
zing.vn Mobile SEO
98/100
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)
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.
Tap targets are not sized appropriately
86% appropriately sized tap targets
Passed Audits (13)
Document has a meta description
Document has a valid `hreflang`
Image elements have `[alt]` attributes
Page isn’t blocked from indexing
Links are crawlable
Document has a valid `rel=canonical`
robots.txt is valid
Page has successful HTTP status code
Document uses legible font sizes
96.31% legible text
Document avoids plugins
Links have descriptive text
Document has a `<title>` element
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
zing.vn Mobile Best Practices
0/100
These checks highlight opportunities to improve the overall code health of zing.vn 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)
Browser Compatibility
Properly defines charset
General
Browser errors were logged to the console
Trust and Safety
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
Passed Audits (10)
Allows users to paste into password fields
Displays images with correct aspect ratio
Page has the HTML doctype
Avoids Application Cache
Serves images with appropriate resolution
Detected JavaScript libraries
Avoids deprecated APIs
Avoids front-end JavaScript libraries with known security vulnerabilities
Avoids requesting the notification permission on page load
Avoids requesting the geolocation permission on page load
zing.vn 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
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 18.8 s
Installable
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Passed Audits (5)
Provides a valid `apple-touch-icon`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
Content is sized correctly for the viewport
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
zing.vn Mobile Accessibility
57/100
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.
Heading elements are not in a sequentially-descending order
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.
`<frame>` or `<iframe>` elements do not have a title
Links do not have a discernible name
Buttons do not have an accessible name
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 (9)
`<html>` element has a `[lang]` attribute
`[id]` attributes on active, focusable elements are unique
Image elements have `[alt]` attributes
The page contains a heading, skip link, or landmark region
`[aria-hidden="true"]` is not present on the document `<body>`
`<html>` element has a valid value for its `[lang]` attribute
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Document has a `<title>` element
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Mobile Usability
96/100
These checks validate how easily a visitor can use zing.vn 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 (2)
Size content to viewport
Size tap targets appropriately
Passed Audits (3)
Avoid plugins
Configure the viewport
Use legible font sizes
Mobile Speed
52/100
These checks analyze the performance of zing.vn 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 (4)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Leverage browser caching
Minify JavaScript
Passed Audits (6)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Prioritize visible content
www.zing.com
www.zing.net
www.zing.org
www.zing.info
www.zing.biz
www.zing.us
www.zing.mobi
www.ing.vn
www.zing.vn
www.xing.vn
www.zxing.vn
www.xzing.vn
www.sing.vn
www.zsing.vn
www.szing.vn
www.aing.vn
www.zaing.vn
www.azing.vn
www.zng.vn
www.zung.vn
www.ziung.vn
www.zuing.vn
www.zjng.vn
www.zijng.vn
www.zjing.vn
www.zkng.vn
www.zikng.vn
www.zking.vn
www.zong.vn
www.ziong.vn
www.zoing.vn
www.zig.vn
www.zibg.vn
www.zinbg.vn
www.zibng.vn
www.zihg.vn
www.zinhg.vn
www.zihng.vn
www.zijg.vn
www.zinjg.vn
www.zimg.vn
www.zinmg.vn
www.zimng.vn
www.zin.vn
www.zinf.vn
www.zingf.vn
www.zinfg.vn
www.zinv.vn
www.zingv.vn
www.zinvg.vn
www.zint.vn
www.zingt.vn
www.zintg.vn
www.zinb.vn
www.zingb.vn
www.ziny.vn
www.zingy.vn
www.zinyg.vn
www.zinh.vn
www.zingh.vn
www.zing.net
www.zing.org
www.zing.info
www.zing.biz
www.zing.us
www.zing.mobi
www.ing.vn
www.zing.vn
www.xing.vn
www.zxing.vn
www.xzing.vn
www.sing.vn
www.zsing.vn
www.szing.vn
www.aing.vn
www.zaing.vn
www.azing.vn
www.zng.vn
www.zung.vn
www.ziung.vn
www.zuing.vn
www.zjng.vn
www.zijng.vn
www.zjing.vn
www.zkng.vn
www.zikng.vn
www.zking.vn
www.zong.vn
www.ziong.vn
www.zoing.vn
www.zig.vn
www.zibg.vn
www.zinbg.vn
www.zibng.vn
www.zihg.vn
www.zinhg.vn
www.zihng.vn
www.zijg.vn
www.zinjg.vn
www.zimg.vn
www.zinmg.vn
www.zimng.vn
www.zin.vn
www.zinf.vn
www.zingf.vn
www.zinfg.vn
www.zinv.vn
www.zingv.vn
www.zinvg.vn
www.zint.vn
www.zingt.vn
www.zintg.vn
www.zinb.vn
www.zingb.vn
www.ziny.vn
www.zingy.vn
www.zinyg.vn
www.zinh.vn
www.zingh.vn