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About Website

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

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bigcourse.cn

1026 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Bigcourse.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Bigcourse.cn.

Content Size

163.8 kB

After Optimization

129.1 kB

In fact, the total size of Bigcourse.cn main page is 163.8 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 129.0 kB which makes up the majority of the site volume.

HTML Optimization

-20%

Potential reduce by 47 B

Original 232 B
After minification 231 B
After compression 185 B

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 47 B or 20% of the original size.

Image Optimization

-6%

Potential reduce by 7.5 kB

Original 129.0 kB
After minification 121.5 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. Bigcourse images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 4.2 kB

Original 6.3 kB
After minification 5.5 kB
After compression 2.1 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 4.2 kB or 67% of the original size.

CSS Optimization

-81%

Potential reduce by 22.9 kB

Original 28.3 kB
After minification 25.7 kB
After compression 5.4 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. Bigcourse.cn needs all CSS files to be minified and compressed as it can save up to 22.9 kB or 81% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Language and Encoding

Language Detected

Language Claimed

N/A

Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bigcourse.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 Bigcourse.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.

Social Sharing Optimization

bigcourse.cn

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