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Dataguru炼数成金是专注于Hadoop培训、大数据、数据分析、人工智能、数据可视化、运维自动化等技术和业务讨论的IT技术专业社区及面向企业和个人网络逆向培训服务机构,通过系列实战性Hadoop培训课程,包括Spark,Hbase,机器学习，深度学习，自然语言处理，网络爬虫，java开发，python开发，python数据分析，kafka，ELK等最前沿的大数据技术,提供来自互联网一线公司专家...

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3510 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 Bi.dataguru.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Bi.dataguru.cn.

Content Size

656.1 kB

After Optimization

473.7 kB

In fact, the total size of Bi.dataguru.cn main page is 656.1 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 469.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 443 B

Original 538 B
After minification 140 B
After compression 95 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. This page needs HTML code to be minified as it can gain 398 B, which is 74% 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 443 B or 82% of the original size.

Image Optimization

-12%

Potential reduce by 57.4 kB

Original 469.2 kB
After minification 411.9 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. Obviously, Bi Dataguru needs image optimization as it can save up to 57.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 124.5 kB

Original 186.1 kB
After minification 176.4 kB
After compression 61.6 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 124.5 kB or 67% of the original size.

CSS Optimization

-48%

Potential reduce by 126 B

Original 265 B
After minification 263 B
After compression 139 B

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. Bi.dataguru.cn needs all CSS files to be minified and compressed as it can save up to 126 B or 48% of the original size.

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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 Bi.dataguru.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 Bi.dataguru.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

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