20.2 sec in total
2.8 sec
16.9 sec
485 ms
Visit 51xuejianzhan.com now to see the best up-to-date 51 Xuejianzhan content and also check out these interesting facts you probably never knew about 51xuejianzhan.com
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Visit 51xuejianzhan.comWe analyzed 51xuejianzhan.com page load time and found that the first response time was 2.8 sec and then it took 17.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
51xuejianzhan.com performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value3.4 s
66/100
25%
Value5.4 s
56/100
10%
Value120 ms
97/100
30%
Value0
100/100
15%
Value3.9 s
88/100
10%
2798 ms
972 ms
1079 ms
1456 ms
3444 ms
Our browser made a total of 13 requests to load all elements on the main page. We found that 85% of them (11 requests) were addressed to the original 51xuejianzhan.com, 8% (1 request) were made to Js.users.51.la and 8% (1 request) were made to Icon.51.la. The less responsive or slowest element that took the longest time to load (14.6 sec) belongs to the original domain 51xuejianzhan.com.
Page size can be reduced by 54.3 kB (10%)
552.1 kB
497.8 kB
In fact, the total size of 51xuejianzhan.com main page is 552.1 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. 15% of websites need less resources to load. Images take 499.6 kB which makes up the majority of the site volume.
Potential reduce by 28.0 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 28.0 kB or 78% of the original size.
Potential reduce by 13.7 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 Xuejianzhan images are well optimized though.
Potential reduce by 1.2 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 1.2 kB or 61% of the original size.
Potential reduce by 11.4 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. 51xuejianzhan.com needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 77% of the original size.
We found no issues to fix!
12
12
The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Xuejianzhan. According to our analytics all requests are already optimized.
51xuejianzhan.com
2798 ms
2.css
972 ms
logo.gif
1079 ms
banner1.gif
1456 ms
13662936171202036036.jpg
3444 ms
13662934481519103605.jpg
14595 ms
13662068631289172685.jpg
5860 ms
13661236891498922463.png
1938 ms
13661234351435630943.png
10267 ms
15741057.js
9936 ms
pix.gif
1465 ms
dot.gif
2420 ms
icon_9.gif
1174 ms
51xuejianzhan.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
51xuejianzhan.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
51xuejianzhan.com SEO score
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 51xuejianzhan.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 51xuejianzhan.com 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.
51xuejianzhan.com
Open Graph description is not detected on the main page of 51 Xuejianzhan. 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: