55.8 sec in total
2.3 sec
52.8 sec
708 ms
Welcome to chinajade.cn homepage info - get ready to check Chinajade best content for China right away, or after learning these important things about chinajade.cn
和田玉网--和田玉行业门户网站,和田玉交流交易平台,提供和田玉鉴别、和田玉价格、和田玉籽料、和田玉鉴赏、和田玉收藏、和田玉鉴定证书查询等信息服务
Visit chinajade.cnWe analyzed Chinajade.cn page load time and found that the first response time was 2.3 sec and then it took 53.5 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 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
chinajade.cn performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value6.3 s
10/100
25%
Value15.7 s
0/100
10%
Value100 ms
98/100
30%
Value0
100/100
15%
Value6.4 s
59/100
10%
2306 ms
10631 ms
9398 ms
2218 ms
16868 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 24% of them (22 requests) were addressed to the original Chinajade.cn, 48% (44 requests) were made to Pic.chinajade.com.cn and 12% (11 requests) were made to Jadevip.cn. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Pic.chinajade.com.cn.
Page size can be reduced by 180.1 kB (32%)
571.6 kB
391.5 kB
In fact, the total size of Chinajade.cn main page is 571.6 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 392.5 kB which makes up the majority of the site volume.
Potential reduce by 55.0 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. This page needs HTML code to be minified as it can gain 13.0 kB, which is 19% 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 55.0 kB or 81% of the original size.
Potential reduce by 44.0 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, Chinajade needs image optimization as it can save up to 44.0 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 74.2 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 74.2 kB or 73% of the original size.
Potential reduce by 6.8 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. Chinajade.cn needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 73% of the original size.
Number of requests can be reduced by 35 (51%)
68
33
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinajade. 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.
chinajade.cn
2306 ms
www.chinajade.cn
10631 ms
base.css
9398 ms
shadow-modal.css
2218 ms
jquery-1.8.2.min.js
16868 ms
SignHelper.js
3832 ms
mj_scroll.js
1015 ms
plugins.list.count.js
1149 ms
Validform.js
4179 ms
page.js
1274 ms
base.js
6319 ms
focus.js
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hm.js
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top_bg.png
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logo.png
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search.png
462 ms
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count
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count
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followbutton.php
1025 ms
footer_bg.png
791 ms
weixin_chinajade.gif
2167 ms
weixin_jadevip.gif
2430 ms
topback.gif
1215 ms
sprite.png
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followButton.css
7 ms
sso.js
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followButton.js
9 ms
suda.js
10 ms
bg_flbtn.png
16 ms
icon_user.png
17 ms
b.gif
700 ms
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351 ms
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20112 ms
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17711 ms
chinajade.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
Form elements do not have associated labels
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.
chinajade.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
General
Impact
Issue
Detected JavaScript libraries
chinajade.cn SEO score
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 Chinajade.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 Chinajade.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.
chinajade.cn
Open Graph description is not detected on the main page of Chinajade. 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: