9.5 sec in total
875 ms
8.2 sec
422 ms
Welcome to 721.cn homepage info - get ready to check 721 best content right away, or after learning these important things about 721.cn
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Visit 721.cnWe analyzed 721.cn page load time and found that the first response time was 875 ms and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
721.cn performance score
name
value
score
weighting
Value3.0 s
50/100
10%
Value4.3 s
41/100
25%
Value6.8 s
35/100
10%
Value780 ms
38/100
30%
Value0.035
100/100
15%
Value4.0 s
87/100
10%
875 ms
224 ms
443 ms
679 ms
444 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 81% of them (48 requests) were addressed to the original 721.cn, 15% (9 requests) were made to Bdimg.share.baidu.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (6.3 sec) belongs to the original domain 721.cn.
Page size can be reduced by 59.9 kB (8%)
787.7 kB
727.8 kB
In fact, the total size of 721.cn main page is 787.7 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 641.5 kB which makes up the majority of the site volume.
Potential reduce by 31.7 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 8.6 kB, which is 22% 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 31.7 kB or 82% of the original size.
Potential reduce by 13.5 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. 721 images are well optimized though.
Potential reduce by 11.7 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 11.7 kB or 12% of the original size.
Potential reduce by 3.0 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. 721.cn needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 25% of the original size.
Number of requests can be reduced by 16 (28%)
58
42
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 721. 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 from 4 to 1 for CSS and as a result speed up the page load time.
721.cn
875 ms
style.css
224 ms
common.css
443 ms
jquery.js
679 ms
common.js
444 ms
jquery.slidebox.css
445 ms
jquery.slidebox.min.js
445 ms
xiycms.js
449 ms
tabs.js
661 ms
body.jpg
2954 ms
a535436f57a4154761d0dfe6b4f27720.png
244 ms
shuxian.png
244 ms
iconnavhome.png
328 ms
iconnav02.png
330 ms
iconnav03.png
333 ms
iconnav01.png
443 ms
iconnav04.png
444 ms
iconnav05.png
444 ms
iconnav06.png
445 ms
iconnav07.png
450 ms
toutiao.png
664 ms
p2.jpg
2163 ms
p10.jpg
2286 ms
jtx.png
665 ms
listnot.png
664 ms
ad2.jpg
2427 ms
ad1.jpg
2331 ms
zhinan01.png
884 ms
zhinan02.png
1826 ms
zhinan03.png
2048 ms
zhinan04.png
2284 ms
zhinan05.png
2382 ms
zhinan06.png
2408 ms
zhinan07.png
2492 ms
titbot.png
2549 ms
about.jpg
4719 ms
fuwuicon02.png
2628 ms
fuwuicon01.png
2642 ms
fuwuicon05.png
2740 ms
fuwuicon04.png
2775 ms
fuwuicon06.png
2843 ms
fuwuicon03.png
2857 ms
ad3.jpg
3809 ms
p3.jpg
4565 ms
p5.jpg
6266 ms
hm.js
1959 ms
share.js
1156 ms
p4.jpg
4932 ms
ewm.jpg
5039 ms
rightfixicon.png
3723 ms
share_api.js
255 ms
share_view.js
504 ms
tangram.js
1012 ms
api_base.js
499 ms
view_base.js
260 ms
hm.gif
307 ms
partners.js
254 ms
share_style0_32.css
258 ms
logger.js
253 ms
721.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.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Definition list items are not wrapped in <dl> elements
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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
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.
721.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
721.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
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 721.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 721.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.
721.cn
Open Graph description is not detected on the main page of 721. 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: