Cnki.net 中国知网
中国知网知识发现网络平台—面向海内外读者提供中国学术文献、外文文献、学位论文、报纸、会议、年鉴、工具书等各类资源统一检索、统一导航、在线阅读和下载服务。涵盖基础科学、文史哲、工程科技、社会科学、农业、经济与管理科学、医药卫生、信息科技等十大领域。

User Loading Experience
First Input Delay
Largest Contentful Paint
Cumulative Layout Shift
First Contentful Paint
Metrics
Largest Contentful Paint36/100 4.6 s
Speed Index57/100 5.4 s
First Contentful Paint59/100 3.6 s
Time to Interactive75/100 5.1 s
Total Blocking Time99/100 150 ms
Cumulative Layout Shift100/100 0
Should Fix (13)
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 (15)

Should Fix (3)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Crawling and Indexing
To appear in search results, crawlers need access to your app.
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.
Passed Audits (10)

Should Fix (5)
Browser Compatibility
Trust and Safety
General
Passed Audits (9)

Should Fix (9)
Installable
PWA Optimized
Fast and reliable
Passed Audits (5)

Should Fix (9)
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.
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Best practices
These items highlight common accessibility best practices.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Navigation
These are opportunities to improve keyboard navigation in your application.
Contrast
These are opportunities to improve the legibility of your content.
Passed Audits (3)

Should Fix (1)
Passed Audits (4)

Should Fix (4)
Passed Audits (6)
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