21.2 sec in total
1.5 sec
18.8 sec
848 ms
Visit wall21.cn now to see the best up-to-date Wall 21 content for China and also check out these interesting facts you probably never knew about wall21.cn
沃二一门窗幕墙网(WALL21.CN)——致力门窗幕墙行业原创深度分析报导,专业、洞察力、创新思维、理性分析、战略高度,我们所探索的,是行业发展与市场规律的最佳商业逻辑。
Visit wall21.cnWe analyzed Wall21.cn page load time and found that the first response time was 1.5 sec and then it took 19.6 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.
wall21.cn performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value23.9 s
0/100
25%
Value21.2 s
0/100
10%
Value15,640 ms
0/100
30%
Value0.01
100/100
15%
Value32.8 s
0/100
10%
1525 ms
9574 ms
1621 ms
2387 ms
2402 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 93% of them (52 requests) were addressed to the original Wall21.cn, 4% (2 requests) were made to Hq.sinajs.cn and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (9.6 sec) belongs to the original domain Wall21.cn.
Page size can be reduced by 171.7 kB (26%)
648.0 kB
476.3 kB
In fact, the total size of Wall21.cn main page is 648.0 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. 20% of websites need less resources to load. Images take 425.8 kB which makes up the majority of the site volume.
Potential reduce by 46.3 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. 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 46.3 kB or 78% of the original size.
Potential reduce by 16.4 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. Wall 21 images are well optimized though.
Potential reduce by 93.5 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 93.5 kB or 66% of the original size.
Potential reduce by 15.5 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. Wall21.cn needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 76% of the original size.
Number of requests can be reduced by 13 (24%)
54
41
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wall 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
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wall21.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.
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
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.
wall21.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
Missing source maps for large first-party JavaScript
wall21.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
ZH
N/A
UTF8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wall21.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 Wall21.cn main page’s claimed encoding is utf8. 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}}
wall21.cn
Open Graph description is not detected on the main page of Wall 21. 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: