Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

gc.nuaa.edu.cn

南京航空航天大学精品课程建设

Page Load Speed

26.4 sec in total

First Response

1.8 sec

Resources Loaded

24.3 sec

Page Rendered

237 ms

gc.nuaa.edu.cn screenshot

About Website

Welcome to gc.nuaa.edu.cn homepage info - get ready to check Gc Nuaa best content for China right away, or after learning these important things about gc.nuaa.edu.cn

精品课程

Visit gc.nuaa.edu.cn

Key Findings

We analyzed Gc.nuaa.edu.cn page load time and found that the first response time was 1.8 sec and then it took 24.6 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

gc.nuaa.edu.cn performance score

0

Network Requests Diagram

gc.nuaa.edu.cn

1836 ms

default.css

10563 ms

hackieminmaxwidth.js

9764 ms

pageset.js

966 ms

today.js

962 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Gc.nuaa.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (12.4 sec) belongs to the original domain Gc.nuaa.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.6 kB (68%)

Content Size

31.8 kB

After Optimization

10.3 kB

In fact, the total size of Gc.nuaa.edu.cn main page is 31.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 16.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 13.4 kB

  • Original 16.6 kB
  • After minification 14.0 kB
  • After compression 3.2 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 2.6 kB, which is 15% 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 13.4 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 26 B

  • Original 4.6 kB
  • After minification 4.6 kB

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. Gc Nuaa images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 1.6 kB

  • Original 2.5 kB
  • After minification 2.0 kB
  • After compression 889 B

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 1.6 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 6.6 kB

  • Original 8.2 kB
  • After minification 5.8 kB
  • After compression 1.6 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. Gc.nuaa.edu.cn needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (44%)

Requests Now

16

After Optimization

9

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gc Nuaa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

SEO Factors

gc.nuaa.edu.cn SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gc.nuaa.edu.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Gc.nuaa.edu.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

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