Tools & Wizards About Us
a.4399.cn screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

a.4399.cn

安卓游戏_安卓游戏下载_安卓手机游戏_安卓游戏排行榜-4399手机游戏网

Page Load Speed

15.2 sec in total

First Response

4.4 sec

Resources Loaded

10.1 sec

Page Rendered

640 ms

a.4399.cn screenshot

About Website

Visit a.4399.cn now to see the best up-to-date A 4399 content for China and also check out these interesting facts you probably never knew about a.4399.cn

4399安卓游戏为您提供海量安卓游戏下载，热门安卓游戏排行榜、安卓游戏推荐等内容。找好玩的安卓游戏就上4399手机游戏网。

Visit a.4399.cn

Key Findings

We analyzed A.4399.cn page load time and found that the first response time was 4.4 sec and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

a.4399.cn performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

a.4399.cn

4430 ms

phoneCommon.min.css

718 ms

1079 ms

sea.js

489 ms

config.js

487 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original A.4399.cn, 40% (29 requests) were made to F1.img4399.com and 32% (23 requests) were made to M.img4399.com. The less responsive or slowest element that took the longest time to load (4.5 sec) relates to the external source F1.img4399.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 251.9 kB (29%)

Content Size

878.1 kB

After Optimization

626.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of A.4399.cn main page is 878.1 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. 45% of websites need less resources to load. Images take 588.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 127.8 kB

  • Original 149.1 kB
  • After minification 140.9 kB
  • After compression 21.3 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 127.8 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 31.8 kB

  • Original 588.8 kB
  • After minification 557.0 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. A 4399 images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 83.7 kB

  • Original 129.0 kB
  • After minification 124.2 kB
  • After compression 45.3 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 83.7 kB or 65% of the original size.

CSS Optimization

-78%

Potential reduce by 8.7 kB

  • Original 11.2 kB
  • After minification 11.2 kB
  • After compression 2.5 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. A.4399.cn needs all CSS files to be minified and compressed as it can save up to 8.7 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (18%)

Requests Now

71

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A 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.

Network Requests Diagram

a.4399.cn

a.4399.cn

4430 ms

phoneCommon.min.css

phoneCommon.min.css

718 ms

1079 ms

sea.js

sea.js

489 ms

config.js

config.js

487 ms

heatmap.js

heatmap.js

489 ms

m.js

m.js

486 ms

trace_news.js

trace_news.js

1713 ms

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4014 ms

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1418 ms

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1730 ms

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761 ms

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3852 ms

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4010 ms

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4009 ms

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4009 ms

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4009 ms

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4005 ms

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4009 ms

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4013 ms

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4019 ms

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4018 ms

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4009 ms

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ma~45_20150723172149_55b0b22d24940.jpeg

4011 ms

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4019 ms

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ma~45_20150723172224_55b0b2508b87c.jpeg

4496 ms

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ma~45_20150806170852_55c3242441762.jpeg

4020 ms

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ma~241_20150814111641_55cd5d99f0c91.gif

4019 ms

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ma~166_20160205144922_56b445f21841f.png

4019 ms

phone_universal.png

phone_universal.png

45 ms

fm_yijian.gif

fm_yijian.gif

45 ms

hy_124x47.png

hy_124x47.png

46 ms

aq_124x47.png

aq_124x47.png

46 ms

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ma~241_20150814110513_55cd5ae9bbddc.gif

3841 ms

iconv2.png

iconv2.png

64 ms

rm_line.gif

rm_line.gif

62 ms

newtags.png

newtags.png

874 ms

a.star.png

a.star.png

63 ms

jquery.js

jquery.js

7 ms

hm.js

hm.js

2442 ms

a.common.js

a.common.js

9 ms

ks.gototop.min.js

ks.gototop.min.js

8 ms

ks.lazyimg.min.js

ks.lazyimg.min.js

9 ms

jquery.cxslide.min.js

jquery.cxslide.min.js

9 ms

ks.marquee.min.js

ks.marquee.min.js

9 ms

ks.autocomplete.min.js

ks.autocomplete.min.js

35 ms

ks.favorites.min.js

ks.favorites.min.js

34 ms

index-player.html

index-player.html

241 ms

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3845 ms

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3846 ms

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3847 ms

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3845 ms

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3848 ms

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1546 ms

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1547 ms

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1546 ms

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1231 ms

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1229 ms

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1231 ms

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1231 ms

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3665 ms

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3668 ms

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3665 ms

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ban_nav.png

4 ms

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4083 ms

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4078 ms

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4128 ms

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4122 ms

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4086 ms

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4353 ms

hm.gif

hm.gif

346 ms

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356 ms

Accessibility Review

a.4399.cn accessibility score

77

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

a.4399.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

a.4399.cn SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A.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 A.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.

Social Sharing Optimization

a.4399.cn

Open Graph description is not detected on the main page of A 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: