21.8 sec in total
3.6 sec
17.8 sec
449 ms
Click here to check amazing 3158 content for China. Otherwise, check out these important facts you probably never knew about 3158.cn
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Visit 3158.cnWe analyzed 3158.cn page load time and found that the first response time was 3.6 sec and then it took 18.2 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.
3158.cn performance score
name
value
score
weighting
Value6.0 s
3/100
10%
Value10.3 s
0/100
25%
Value14.2 s
1/100
10%
Value1,340 ms
17/100
30%
Value0.082
94/100
15%
Value28.4 s
0/100
10%
3577 ms
4188 ms
443 ms
671 ms
742 ms
Our browser made a total of 210 requests to load all elements on the main page. We found that 15% of them (31 requests) were addressed to the original 3158.cn, 62% (131 requests) were made to I1.3158.cn and 11% (24 requests) were made to 8809.cn. The less responsive or slowest element that took the longest time to load (8.8 sec) relates to the external source Files.3158.cn.
Page size can be reduced by 669.2 kB (47%)
1.4 MB
749.4 kB
In fact, the total size of 3158.cn main page is 1.4 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. 55% of websites need less resources to load. Images take 666.2 kB which makes up the majority of the site volume.
Potential reduce by 190.3 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 26.9 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 190.3 kB or 83% of the original size.
Potential reduce by 71.4 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, 3158 needs image optimization as it can save up to 71.4 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 340.9 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 340.9 kB or 77% of the original size.
Potential reduce by 66.7 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. 3158.cn needs all CSS files to be minified and compressed as it can save up to 66.7 kB or 81% of the original size.
Number of requests can be reduced by 20 (10%)
206
186
The browser has sent 206 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3158. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
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3158.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.
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
Links do not have a discernible name
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.
3158.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
3158.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 doesn't use 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 3158.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 3158.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.
3158.cn
Open Graph description is not detected on the main page of 3158. 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: