51.9 sec in total
9.2 sec
42.1 sec
533 ms
Welcome to 021chang.cn homepage info - get ready to check 021 Chang best content right away, or after learning these important things about 021chang.cn
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Visit 021chang.cnWe analyzed 021chang.cn page load time and found that the first response time was 9.2 sec and then it took 42.6 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. Unfortunately, there were 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
021chang.cn performance score
name
value
score
weighting
Value1.3 s
98/100
10%
Value2.0 s
97/100
25%
Value5.3 s
59/100
10%
Value40 ms
100/100
30%
Value0.015
100/100
15%
Value1.6 s
100/100
10%
9247 ms
5097 ms
961 ms
3984 ms
6306 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that all of those requests were addressed to 021chang.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain 021chang.cn.
Page size can be reduced by 76.3 kB (28%)
275.3 kB
199.0 kB
In fact, the total size of 021chang.cn main page is 275.3 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. 15% of websites need less resources to load. Images take 205.2 kB which makes up the majority of the site volume.
Potential reduce by 42.6 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 42.6 kB or 80% of the original size.
Potential reduce by 20.3 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. 021 Chang images are well optimized though.
Potential reduce by 0 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. This website has mostly compressed JavaScripts.
Potential reduce by 13.4 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. 021chang.cn needs all CSS files to be minified and compressed as it can save up to 13.4 kB or 79% of the original size.
Number of requests can be reduced by 23 (35%)
66
43
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 021 Chang. 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.
021chang.cn
9247 ms
global.css
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sindex.css
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fwrx.gif
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thea24.js
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021chang.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.
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
<object> elements do not have alternate text
021chang.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
021chang.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
Document uses plugins
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 021chang.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 021chang.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.
021chang.cn
Open Graph description is not detected on the main page of 021 Chang. 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: