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Welcome to b2b.chem99.com homepage info - get ready to check B 2 Chem 99 best content for China right away, or after learning these important things about b2b.chem99.com
卓创资讯网站地图sitemap页(http://www.sci99.com/map/),卓创资讯最全的网站信息导航页
Visit b2b.chem99.comWe analyzed B2b.chem99.com page load time and found that the first response time was 3.8 sec and then it took 18.3 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.
b2b.chem99.com performance score
3793 ms
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Our browser made a total of 54 requests to load all elements on the main page. We found that 59% of them (32 requests) were addressed to the original B2b.chem99.com, 20% (11 requests) were made to Sci99.com and 11% (6 requests) were made to V.sciimg.com. The less responsive or slowest element that took the longest time to load (11.5 sec) belongs to the original domain B2b.chem99.com.
Page size can be reduced by 221.3 kB (45%)
493.2 kB
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In fact, the total size of B2b.chem99.com main page is 493.2 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. 25% of websites need less resources to load. Images take 227.0 kB which makes up the majority of the site volume.
Potential reduce by 68.6 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. This page needs HTML code to be minified as it can gain 29.0 kB, which is 37% 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 68.6 kB or 87% of the original size.
Potential reduce by 25.2 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 Chem 99 needs image optimization as it can save up to 25.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 105.1 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 105.1 kB or 67% of the original size.
Potential reduce by 22.4 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. B2b.chem99.com needs all CSS files to be minified and compressed as it can save up to 22.4 kB or 73% of the original size.
Number of requests can be reduced by 5 (10%)
52
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The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B 2 Chem 99. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
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b2b.chem99.com SEO score
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise B2b.chem99.com 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 B2b.chem99.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.
b2b.chem99.com
Open Graph description is not detected on the main page of B 2 Chem 99. 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: