Analyze

ai.ustc.edu.cn: Multi-Agent Systems Lab., USTC

Page load speed analysis

  • 46/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    3.3 sec

  • Resources loaded

    13.9 sec

  • Page rendered

    122 ms

  • Total page load time

    17.3 sec

Click here to check amazing Ai USTC content for China. Otherwise, check out these important facts you probably never knew about ai.ustc.edu.cn

We analyzed Ai.ustc.edu.cn page load time and found that the first response time was 3.3 sec and then it took 14 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Page optimization

  • HTML 881 B
    Images 61.0 kB
    Javascripts 43.1 kB
    CSS 0 B

    In fact, the total size of Ai.ustc.edu.cn main page is 104.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 61.0 kB which makes up the majority of the site volume.

    • Original 881 B
    • After minification 865 B
    • After compression 507 B

    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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 374 B or 42% of the original size.

    • Original 61.0 kB
    • After optimization 58.6 kB

    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. Ai USTC images are well optimized though.

    • Original 43.1 kB
    • After minification 43.1 kB
    • After compression 16.0 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 27.1 kB or 63% of the original size.

Network requests diagram

  • ai.ustc.edu.cn
  • ga.js
  • lang.php
  • __utm.gif
  • index.php
  • bg-top.jpg
  • logo.gif
  • dot.jpg
  • dot1.gif
  • dot2.gif
  • bg-buttom.jpg
  • __utm.gif

Our browser made a total of 12 requests to load all elements on the main page. We found that 75% of them (9 requests) were addressed to the original Ai.ustc.edu.cn, 25% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (9.4 sec) belongs to the original domain Ai.ustc.edu.cn.

Additional info on ai.ustc.edu.cn

Requests

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ai USTC. According to our analytics all requests are already optimized.

1

Javascripts

8

Images

1

AJAX

10

All

Possible request optimization

1

Javascripts

8

Images

1

AJAX

0

Optimized

10

All

Good result

IP address

Ai.ustc.edu.cn uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

ai.ustc.edu.cn

mcg.ustc.edu.cn

degree.ustc.edu.cn

dm.ustc.edu.cn

vi.ustc.edu.cn

218.104.71.173

DNS records

Type Host Target/ip TTL Other
A

revproxy.ustc.edu.cn

218.104.71.173 1200
CNAME

ai.ustc.edu.cn

revproxy.ustc.edu.cn 300
AAAA

revproxy.ustc.edu.cn

3600 Ipv6: 2001:da8:d800:642::248

Language and encoding

Poor result

Language

EN en language flag

Detected

N/A  language flag

Claimed

Encoding

N/A

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ai.ustc.edu.cn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ai.ustc.edu.cn main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate

Ai.ustc.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 93% of all visits is China. It’s good for Ai.ustc.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 Ai 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:

ai.ustc.edu.cn

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