98.6 sec in total
2.3 sec
91.8 sec
4.5 sec
Visit dataone.cn now to see the best up-to-date Dataone content and also check out these interesting facts you probably never knew about dataone.cn
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Visit dataone.cnWe analyzed Dataone.cn page load time and found that the first response time was 2.3 sec and then it took 96.3 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 31 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
dataone.cn performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value4.2 s
43/100
25%
Value7.8 s
24/100
10%
Value70 ms
99/100
30%
Value0
100/100
15%
Value2.4 s
99/100
10%
2298 ms
17499 ms
5102 ms
1281 ms
19574 ms
Our browser made a total of 147 requests to load all elements on the main page. We found that 97% of them (143 requests) were addressed to the original Dataone.cn, 1% (1 request) were made to West263.com and 1% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Dataone.cn.
Page size can be reduced by 380.0 kB (40%)
944.8 kB
564.8 kB
In fact, the total size of Dataone.cn main page is 944.8 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. 30% of websites need less resources to load. Images take 575.0 kB which makes up the majority of the site volume.
Potential reduce by 81.1 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. This page needs HTML code to be minified as it can gain 14.3 kB, which is 14% 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 81.1 kB or 81% of the original size.
Potential reduce by 102.0 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, Dataone needs image optimization as it can save up to 102.0 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 95.0 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 95.0 kB or 65% of the original size.
Potential reduce by 101.9 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. Dataone.cn needs all CSS files to be minified and compressed as it can save up to 101.9 kB or 83% of the original size.
Number of requests can be reduced by 43 (38%)
113
70
The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dataone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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{{time}} ms
dataone.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
dataone.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
dataone.cn SEO score
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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dataone.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 Dataone.cn main page’s claimed encoding is gb2312. 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.
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dataone.cn
Open Graph description is not detected on the main page of Dataone. 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: