42.4 sec in total
1.4 sec
40.3 sec
629 ms
Visit compressor.cn now to see the best up-to-date Compressor content for China and also check out these interesting facts you probably never knew about compressor.cn
中国压缩机网创建于2001年,由西安交通大学压缩机研究所主办,致力将“中国压缩机网”打造成为中国最优秀的压缩机(空压机)行业交流、互动平台。压缩机(空压机)网站涵盖螺杆压缩机、空压机、活塞压缩机、涡旋压缩机、单螺杆压缩机、滑片压缩机等类型之最新行业资讯、热点分析、企业动态、创新技术、买卖供求等信息。中国压缩机人郑重承诺:我们专注的做着专业的事情,会使客户和我们都满意!
Visit compressor.cnWe analyzed Compressor.cn page load time and found that the first response time was 1.4 sec and then it took 41 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
compressor.cn performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value17.7 s
0/100
25%
Value40.3 s
0/100
10%
Value4,110 ms
1/100
30%
Value0.058
98/100
15%
Value20.7 s
2/100
10%
1384 ms
6451 ms
4245 ms
4982 ms
1296 ms
Our browser made a total of 137 requests to load all elements on the main page. We found that 61% of them (84 requests) were addressed to the original Compressor.cn, 7% (10 requests) were made to Globalcompressor.com and 6% (8 requests) were made to Compressoronline.cn. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Compressoronline.cn.
Page size can be reduced by 375.4 kB (45%)
828.3 kB
452.9 kB
In fact, the total size of Compressor.cn main page is 828.3 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. 50% of websites need less resources to load. Images take 343.6 kB which makes up the majority of the site volume.
Potential reduce by 105.7 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 105.7 kB or 79% of the original size.
Potential reduce by 27.2 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. Compressor images are well optimized though.
Potential reduce by 149.3 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 149.3 kB or 63% of the original size.
Potential reduce by 93.3 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. Compressor.cn needs all CSS files to be minified and compressed as it can save up to 93.3 kB or 83% of the original size.
Number of requests can be reduced by 37 (28%)
131
94
The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Compressor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
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compressor.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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
compressor.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
Page has valid source maps
compressor.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
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Compressor.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 Compressor.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.
{{og_description}}
compressor.cn
Open Graph description is not detected on the main page of Compressor. 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: