32.2 sec in total
2.3 sec
29.7 sec
244 ms
Click here to check amazing B 2 21 Cos content for China. Otherwise, check out these important facts you probably never knew about b2b.21cos.com
Visit b2b.21cos.comWe analyzed B2b.21cos.com page load time and found that the first response time was 2.3 sec and then it took 29.9 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
b2b.21cos.com performance score
name
value
score
weighting
Value0.6 s
100/100
10%
Value0.6 s
100/100
25%
Value1.1 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.6 s
100/100
10%
2258 ms
13122 ms
20117 ms
6899 ms
20130 ms
Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to B2b.21cos.com and no external sources were called. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain B2b.21cos.com.
Page size can be reduced by 52.1 kB (78%)
66.6 kB
14.5 kB
In fact, the total size of B2b.21cos.com main page is 66.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. CSS take 25.8 kB which makes up the majority of the site volume.
Potential reduce by 17.1 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. 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 17.1 kB or 77% of the original size.
Potential reduce by 1.2 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. Obviously, B 2 21 Cos needs image optimization as it can save up to 1.2 kB or 64% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 12.7 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 12.7 kB or 76% of the original size.
Potential reduce by 21.1 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. B2b.21cos.com needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 82% of the original size.
We found no issues to fix!
7
7
The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B 2 21 Cos. According to our analytics all requests are already optimized.
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b2b.21cos.com accessibility score
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
Document doesn't have a <title> element
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
b2b.21cos.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
b2b.21cos.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
N/A
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise B2b.21cos.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that B2b.21cos.com 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.
{{og_description}}
b2b.21cos.com
Open Graph description is not detected on the main page of B 2 21 Cos. 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: