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Click here to check amazing Bi Dataguru content for China. Otherwise, check out these important facts you probably never knew about bi.dataguru.cn
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...
Visit bi.dataguru.cnWe analyzed Bi.dataguru.cn page load time and found that the first response time was 6.1 sec and then it took 27.2 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. Unfortunately, there were 5 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
bi.dataguru.cn performance score
name
value
score
weighting
Value2.8 s
56/100
10%
Value4.1 s
46/100
25%
Value9.3 s
13/100
10%
Value5,300 ms
0/100
30%
Value0.001
100/100
15%
Value9.8 s
28/100
10%
6106 ms
1417 ms
708 ms
1782 ms
2425 ms
Our browser made a total of 88 requests to load all elements on the main page. We found that 48% of them (42 requests) were addressed to the original Bi.dataguru.cn, 34% (30 requests) were made to Attach.dataguru.cn and 6% (5 requests) were made to Club.dataguru.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Attach.dataguru.cn.
Page size can be reduced by 235.1 kB (32%)
726.3 kB
491.2 kB
In fact, the total size of Bi.dataguru.cn main page is 726.3 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. 25% of websites need less resources to load. Images take 469.2 kB which makes up the majority of the site volume.
Potential reduce by 53.1 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. 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 53.1 kB or 75% of the original size.
Potential reduce by 57.4 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.
Potential reduce by 124.5 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.
Potential reduce by 126 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.
Number of requests can be reduced by 15 (18%)
82
67
The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bi Dataguru. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
bi.dataguru.cn
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bi.dataguru.cn accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
bi.dataguru.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
bi.dataguru.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
ZH
N/A
GBK
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 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.
bi.dataguru.cn
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: