31.7 sec in total
1.9 sec
29 sec
756 ms
Click here to check amazing Cnczt content. Otherwise, check out these important facts you probably never knew about cnczt.cn
常州市清潭特种轴承有限公司成立于年,是一家高新技术企业,单向轴承国家行业标准的制定者,已通过iatf认证,与德国btc公司成为战略性伙伴,主要是各种滚针轴承、平面轴承及单向轴承系列产品的生产型企业,供应各种单向滚针轴承、粉末冶金单向轴承、渔具单向轴承等,单向轴承规格,尺寸和型号齐全。
Visit cnczt.cnWe analyzed Cnczt.cn page load time and found that the first response time was 1.9 sec and then it took 29.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
cnczt.cn performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value11.0 s
0/100
25%
Value12.8 s
3/100
10%
Value110 ms
97/100
30%
Value0.001
100/100
15%
Value5.1 s
75/100
10%
1895 ms
1014 ms
1289 ms
1029 ms
790 ms
Our browser made a total of 127 requests to load all elements on the main page. We found that 99% of them (126 requests) were addressed to the original Cnczt.cn, 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (13.9 sec) belongs to the original domain Cnczt.cn.
Page size can be reduced by 595.9 kB (7%)
8.5 MB
7.9 MB
In fact, the total size of Cnczt.cn main page is 8.5 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. 70% of websites need less resources to load. Images take 8.2 MB which makes up the majority of the site volume.
Potential reduce by 46.5 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 6.8 kB, which is 12% 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 46.5 kB or 83% of the original size.
Potential reduce by 465.7 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. Cnczt images are well optimized though.
Potential reduce by 44.7 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 44.7 kB or 28% of the original size.
Potential reduce by 39.0 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. Cnczt.cn needs all CSS files to be minified and compressed as it can save up to 39.0 kB or 42% of the original size.
Number of requests can be reduced by 21 (17%)
124
103
The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cnczt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
cnczt.cn
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main.css
1014 ms
bootstrap.css
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header.css
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animate.min.css
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swiper.min.css
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banner.css
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jquery-1.9.1.min.js
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swiper.js
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swiper.min.js
1546 ms
bootstrap.min.js
1318 ms
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css
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cnczt.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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Definition list items are not wrapped in <dl> elements
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
cnczt.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
Browser errors were logged to the console
Page has valid source maps
cnczt.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnczt.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 Cnczt.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.
cnczt.cn
Open Graph description is not detected on the main page of Cnczt. 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: