Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

mirrors3.ustc.edu.cn

USTC Open Source Software Mirror

Page Load Speed

25.5 sec in total

First Response

3.3 sec

Resources Loaded

21.8 sec

Page Rendered

392 ms

mirrors3.ustc.edu.cn screenshot

About Website

Welcome to mirrors3.ustc.edu.cn homepage info - get ready to check Mirror S3 USTC best content for China right away, or after learning these important things about mirrors3.ustc.edu.cn

Visit mirrors3.ustc.edu.cn

Key Findings

We analyzed Mirrors3.ustc.edu.cn page load time and found that the first response time was 3.3 sec and then it took 22.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

mirrors3.ustc.edu.cn performance score

0

Network Requests Diagram

mirrors3.ustc.edu.cn

3301 ms

mobile.mirrors.ustc.edu.cn

3147 ms

css

4760 ms

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

9830 ms

DXI1ORHCpsQm3Vp6mXoaTZS3E-kSBmtLoNJPDtbj2Pk.ttf

9882 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Mirrors3.ustc.edu.cn, 50% (3 requests) were made to Fonts-gstatic.lug.ustc.edu.cn and 17% (1 request) were made to Mobile.mirrors.ustc.edu.cn. The less responsive or slowest element that took the longest time to load (10.9 sec) relates to the external source Fonts-gstatic.lug.ustc.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.5 kB (86%)

Content Size

55.2 kB

After Optimization

7.7 kB

In fact, the total size of Mirrors3.ustc.edu.cn main page is 55.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. HTML takes 55.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 47.5 kB

  • Original 55.2 kB
  • After minification 44.0 kB
  • After compression 7.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 11.2 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 47.5 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mirror S3 USTC. According to our analytics all requests are already optimized.

SEO Factors

mirrors3.ustc.edu.cn SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mirrors3.ustc.edu.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Mirrors3.ustc.edu.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Mirror S3 USTC. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: