Chsi.com.cn 中国高等教育学生信息网(学信网)

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chsi.com.cn Desktop Performance
97/100
These metrics represent real-world Chrome users experience viewing chsi.com.cn web page. 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

First Input Delay

Largest Contentful Paint

Cumulative Layout Shift

First Contentful Paint

Metrics


Speed Index86/100 1.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.

Largest Contentful Paint95/100 1.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More

First Contentful Paint99/100 0.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.

Total Blocking Time100/100 40 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.

Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.

Time to Interactive100/100 0.9 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.

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.

chsi.com.cn Desktop SEO
82/100
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.
Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

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.

chsi.com.cn Desktop Best Practices
85/100
These checks highlight opportunities to improve the overall code health of chsi.com.cn page. Current recommendations will help to make your page fast and secure, to create a good user experience and to avoid deprecated technologies.
Trust and Safety

chsi.com.cn Desktop Progressive Web App
41/100
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.
Installable

PWA Optimized

Fast and reliable

chsi.com.cn Desktop Accessibility
51/100
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.
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.

Contrast

These are opportunities to improve the legibility of your content.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Desktop Speed
93/100
These checks analyze the performance of chsi.com.cn on desktop devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
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