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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

istic.ac.cn

中信所网站

Page Load Speed

14.2 sec in total

First Response

1.9 sec

Resources Loaded

12.2 sec

Page Rendered

129 ms

istic.ac.cn screenshot

About Website

Click here to check amazing Istic content for China. Otherwise, check out these important facts you probably never knew about istic.ac.cn

中国科学技术信息研究所,中信所,国家工程图书馆,国家工程技术图书馆,国家工程技术数字图书馆,数字图书馆,国家工程图书馆首页,中国科学技术信息研究所首页,院士著作馆

Visit istic.ac.cn

Key Findings

We analyzed Istic.ac.cn page load time and found that the first response time was 1.9 sec and then it took 12.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

istic.ac.cn performance score

0

Network Requests Diagram

istic.ac.cn

1884 ms

login.css

1953 ms

jquery-1.8.2.min.js

5965 ms

login.js

1878 ms

0_1.gif

948 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Istic.ac.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Istic.ac.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.8 kB (73%)

Content Size

28.5 kB

After Optimization

7.6 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Istic.ac.cn main page is 28.5 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 5% of websites need less resources to load. Javascripts take 12.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 4.9 kB

  • Original 6.5 kB
  • After minification 4.2 kB
  • After compression 1.6 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 2.3 kB, which is 36% 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 4.9 kB or 76% of the original size.

JavaScript Optimization

-68%

Potential reduce by 8.5 kB

  • Original 12.5 kB
  • After minification 11.5 kB
  • After compression 4.0 kB

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 8.5 kB or 68% of the original size.

CSS Optimization

-79%

Potential reduce by 7.5 kB

  • Original 9.5 kB
  • After minification 8.0 kB
  • After compression 2.0 kB

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. Istic.ac.cn needs all CSS files to be minified and compressed as it can save up to 7.5 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Istic. According to our analytics all requests are already optimized.

Network Requests Diagram

istic.ac.cn

istic.ac.cn

1884 ms

login.css

login.css

1953 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

5965 ms

login.js

login.js

1878 ms

0_1.gif

0_1.gif

948 ms

0_2.gif

0_2.gif

952 ms

0_3.gif

0_3.gif

949 ms

0_4.gif

0_4.gif

950 ms

0_5.gif

0_5.gif

952 ms

0_6.gif

0_6.gif

3114 ms

0_7.gif

0_7.gif

3569 ms

0_8.gif

0_8.gif

4103 ms

0_9.gif

0_9.gif

3352 ms

0_10.gif

0_10.gif

1419 ms

r_bg_2.gif

r_bg_2.gif

4314 ms

bg.gif

bg.gif

3634 ms

SEO Factors

istic.ac.cn SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Istic.ac.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 Istic.ac.cn main page’s claimed encoding is gbk. 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.

Social Sharing Optimization

istic.ac.cn

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