17.8 sec in total
3.8 sec
13.5 sec
522 ms
Welcome to 4399.cn homepage info - get ready to check 4399 best content for China right away, or after learning these important things about 4399.cn
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Visit 4399.cnWe analyzed 4399.cn page load time and found that the first response time was 3.8 sec and then it took 14 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
4399.cn performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value6.8 s
7/100
25%
Value5.6 s
53/100
10%
Value100 ms
98/100
30%
Value0.85
4/100
15%
Value11.4 s
19/100
10%
3786 ms
1525 ms
1058 ms
1056 ms
1055 ms
Our browser made a total of 121 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original 4399.cn, 77% (93 requests) were made to F1.img4399.com and 17% (21 requests) were made to M.img4399.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain 4399.cn.
Page size can be reduced by 278.6 kB (13%)
2.1 MB
1.9 MB
In fact, the total size of 4399.cn main page is 2.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 135.2 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 135.2 kB or 82% of the original size.
Potential reduce by 57.6 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. 4399 images are well optimized though.
Potential reduce by 85.8 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 85.8 kB or 65% of the original size.
Number of requests can be reduced by 13 (11%)
120
107
The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4399. 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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4399.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.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
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
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.
4399.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
4399.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 doesn't use 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 4399.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 4399.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.
{{og_description}}
4399.cn
Open Graph description is not detected on the main page of 4399. 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: