Jb51.net 脚本之家_www.jb51.net
脚本之家是国内专业的网站建设资源、脚本编程学习类网站,提供asp、php、asp.net、javascript、jquery、vbscript、dos批处理、网页制作、网络编程、网站建设等编程资料。

User Loading Experience
Cumulative Layout Shift
First Input Delay
First Contentful Paint
Largest Contentful Paint
Metrics
Cumulative Layout Shift17/100 0.491
Speed Index18/100 3.4 s
Largest Contentful Paint39/100 2.8 s
First Contentful Paint90/100 0.9 s
Time to Interactive100/100 1.3 s
Total Blocking Time100/100 20 ms
Should Fix (17)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Passed Audits (12)

Should Fix (3)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Passed Audits (8)

Should Fix (4)
Trust and Safety
User Experience
Passed Audits (10)

Should Fix (10)
Installable
Fast and reliable
PWA Optimized
Passed Audits (3)

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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Contrast
These are opportunities to improve the legibility of your content.
Passed Audits (8)

Should Fix (7)
Passed Audits (3)
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