Analyze

english.pku.edu.cn: Peking University

Page load speed analysis

  • 69/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    1.5 sec

  • Resources loaded

    4.6 sec

  • Page rendered

    267 ms

  • Total page load time

    6.4 sec

Click here to check amazing English Pku content for China. Otherwise, check out these important facts you probably never knew about english.pku.edu.cn

We analyzed English.pku.edu.cn page load time and found that the first response time was 1.5 sec and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Page optimization

  • HTML 41.9 kB
    Images 1.3 MB
    Javascripts 169.2 kB
    CSS 200.0 kB

    In fact, the total size of English.pku.edu.cn main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

    • Original 41.9 kB
    • After minification 32.7 kB
    • After compression 5.7 kB

    HTML optimization

    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 9.2 kB, which is 22% 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 36.2 kB or 86% of the original size.

    • Original 1.3 MB
    • After optimization 1.2 MB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. English Pku images are well optimized though.

    • Original 169.2 kB
    • After minification 147.5 kB
    • After compression 47.0 kB

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 122.2 kB or 72% of the original size.

    • Original 200.0 kB
    • After minification 167.3 kB
    • After compression 28.9 kB

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. English.pku.edu.cn needs all CSS files to be minified and compressed as it can save up to 171.1 kB or 86% of the original size.

Network requests diagram

  • english.pku.edu.cn
  • bootstrap.css
  • bootstrap-dropdown-multilevel.css
  • bootstrap-theme.css
  • bootstrap-custom.min.css
  • jquery.min.js
  • bootstrap.js
  • bootstrap-dropdown-multilevel.js
  • imgLiquid-min.js
  • bootstrap-custom.min.js
  • logo.png
  • 20160317150008280149.jpg
  • 20160125161857409421.jpg
  • 20150703162930297932.jpg
  • 20150703162946485093.jpg
  • 20150703163000370193.jpg
  • 20150703163014010243.jpg
  • 20151211145946423617.jpg
  • 20160302160025654278.jpg
  • 20160301085657120122.png
  • 20151210174743126128.jpg
  • 20151208161458308848.jpg
  • 20151210161306107050.jpg
  • sprite_141218.png

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to English.pku.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain English.pku.edu.cn.

Additional info on english.pku.edu.cn

Requests

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of English Pku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

5

Javascripts

14

Images

4

CSS

23

All

Possible request optimization

1

Javascripts

14

Images

1

CSS

7

Optimized

16

All

Good result

IP address

This IP address is dedicated to English.pku.edu.cn. This is the best domain hosting practice .

Normal result

IP Trace

english.pku.edu.cn

162.105.131.198

DNS records

Type Host Target/ip TTL Other
A

english.pku.edu.cn

162.105.131.198 3599

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise English.pku.edu.cn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that English.pku.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.

HTTPS certificate

SSL Certificate

English.pku.edu.cn has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 94.8% of all visits is China. It’s good for English.pku.edu.cn that their server is also located in China, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of English Pku. 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:

english.pku.edu.cn

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