37.2 sec in total
8.1 sec
28.7 sec
376 ms
Welcome to sf.cn5135.com homepage info - get ready to check Sf Cn 5135 best content for United States right away, or after learning these important things about sf.cn5135.com
无忧商务网是专业的免费B2B电子商务推广平台,拥有庞大的中国供应商目录,拥有近百万供求商机,聚集近百万中国大陆、台湾、香港等地供应商和制造商, 包括商品目录、免费公司黄页、产品信息、供求商机、行业资讯和展会场馆等。
Visit sf.cn5135.comWe analyzed Sf.cn5135.com page load time and found that the first response time was 8.1 sec and then it took 29.1 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
sf.cn5135.com performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value6.1 s
12/100
25%
Value12.0 s
4/100
10%
Value70 ms
99/100
30%
Value0.032
100/100
15%
Value13.7 s
10/100
10%
8134 ms
3041 ms
5580 ms
932 ms
375 ms
Our browser made a total of 119 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sf.cn5135.com, 22% (26 requests) were made to Asearch.alicdn.com and 14% (17 requests) were made to Img2015.cn5135.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Cn5135.com.
Page size can be reduced by 187.1 kB (65%)
285.9 kB
98.8 kB
In fact, the total size of Sf.cn5135.com main page is 285.9 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. HTML takes 169.8 kB which makes up the majority of the site volume.
Potential reduce by 141.0 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 141.0 kB or 83% of the original size.
Potential reduce by 8.0 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, Sf Cn 5135 needs image optimization as it can save up to 8.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 16.5 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 16.5 kB or 42% of the original size.
Potential reduce by 21.6 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. Sf.cn5135.com needs all CSS files to be minified and compressed as it can save up to 21.6 kB or 82% of the original size.
Number of requests can be reduced by 60 (53%)
114
54
The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sf Cn 5135. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
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sf.cn5135.com 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.
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
Form elements do not have associated labels
Links do not have a discernible name
sf.cn5135.com 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
sf.cn5135.com 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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sf.cn5135.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 Sf.cn5135.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.
sf.cn5135.com
Open Graph description is not detected on the main page of Sf Cn 5135. 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: