51.6 sec in total
1 sec
50.2 sec
357 ms
Visit 51cdz.com now to see the best up-to-date 51 Cdz content and also check out these interesting facts you probably never knew about 51cdz.com
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Visit 51cdz.comWe analyzed 51cdz.com page load time and found that the first response time was 1 sec and then it took 50.5 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.
51cdz.com performance score
name
value
score
weighting
Value0.7 s
100/100
10%
Value0.7 s
100/100
25%
Value1.1 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.7 s
100/100
10%
1023 ms
16142 ms
2851 ms
1107 ms
3945 ms
Our browser made a total of 94 requests to load all elements on the main page. We found that 83% of them (78 requests) were addressed to the original 51cdz.com, 6% (6 requests) were made to Bdimg.share.baidu.com and 4% (4 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain 51cdz.com.
Page size can be reduced by 127.0 kB (63%)
200.1 kB
73.1 kB
In fact, the total size of 51cdz.com main page is 200.1 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. HTML takes 105.7 kB which makes up the majority of the site volume.
Potential reduce by 90.9 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 90.9 kB or 86% of the original size.
Potential reduce by 1.8 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. 51 Cdz images are well optimized though.
Potential reduce by 33.6 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 33.6 kB or 62% of the original size.
Potential reduce by 624 B
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. 51cdz.com needs all CSS files to be minified and compressed as it can save up to 624 B or 21% of the original size.
Number of requests can be reduced by 32 (37%)
87
55
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Cdz. 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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51cdz.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.
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
51cdz.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
51cdz.com SEO score
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51cdz.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 51cdz.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.
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51cdz.com
Open Graph description is not detected on the main page of 51 Cdz. 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: