25.7 sec in total
638 ms
24.5 sec
553 ms
Welcome to cechina.cn homepage info - get ready to check Cechina best content for China right away, or after learning these important things about cechina.cn
控制工程网是全球工业控制、自动化、仪器仪表领域的综合型门户网站,是美国CONTROL ENGINEERING杂志在中国的官方网站。自2003年网站成立以来,一直以追踪全球工控和自动化领域的发展趋势为宗旨,打造中国控制工程师的互动网络社区,通过业界独有的在线研讨会、自动化厂商社区、自动化用户群组和控制工程师论坛等频道,致力于成为行业专家、自动化厂商、用户三者之间最佳网络交流平台。
Visit cechina.cnWe analyzed Cechina.cn page load time and found that the first response time was 638 ms and then it took 25.1 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.
cechina.cn performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value12.8 s
0/100
25%
Value23.5 s
0/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value13.1 s
12/100
10%
638 ms
2801 ms
1031 ms
621 ms
454 ms
Our browser made a total of 320 requests to load all elements on the main page. We found that 46% of them (147 requests) were addressed to the original Cechina.cn, 53% (170 requests) were made to Manager.cechina.cn and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (14 sec) relates to the external source Manager.cechina.cn.
Page size can be reduced by 8.4 MB (35%)
23.9 MB
15.5 MB
In fact, the total size of Cechina.cn main page is 23.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 23.4 MB which makes up the majority of the site volume.
Potential reduce by 237.6 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 237.6 kB or 81% of the original size.
Potential reduce by 8.0 MB
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, Cechina needs image optimization as it can save up to 8.0 MB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 99.3 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 99.3 kB or 62% of the original size.
Potential reduce by 34.3 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. Cechina.cn needs all CSS files to be minified and compressed as it can save up to 34.3 kB or 83% of the original size.
Number of requests can be reduced by 9 (3%)
318
309
The browser has sent 318 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cechina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
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cechina.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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
cechina.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
cechina.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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cechina.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 Cechina.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
cechina.cn
Open Graph description is not detected on the main page of Cechina. 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: