Tools & Wizards About Us
app.4399.cn screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

app.4399.cn

4399游戏盒_4399游戏盒官方下载_新版4399游戏盒-4399手机游戏网

Page Load Speed

4.9 sec in total

First Response

853 ms

Resources Loaded

3.5 sec

Page Rendered

467 ms

app.4399.cn screenshot

About Website

Welcome to app.4399.cn homepage info - get ready to check App 4399 best content for China right away, or after learning these important things about app.4399.cn

4399游戏盒为您提供精品手机游戏免费下载，精彩游戏视频解说，众多游戏攻略评测，还有好玩的手游推荐。找热门好玩的游戏就用4399手机游戏盒。

Visit app.4399.cn

Key Findings

We analyzed App.4399.cn page load time and found that the first response time was 853 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

app.4399.cn performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

12/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

app.4399.cn

853 ms

index.css

1041 ms

index.js

671 ms

vendors.js

336 ms

commJs.js

325 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original App.4399.cn, 58% (21 requests) were made to M.img4399.com and 17% (6 requests) were made to Fs.img4399.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.3 kB (3%)

Content Size

2.1 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of App.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. 55% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 19.5 kB

  • Original 28.4 kB
  • After minification 27.9 kB
  • After compression 8.9 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 19.5 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 39.1 kB

  • Original 1.9 MB
  • After minification 1.9 MB

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. App 4399 images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.7 kB

  • Original 125.9 kB
  • After minification 125.0 kB
  • After compression 124.2 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 6 (18%)

Requests Now

34

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of App 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 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

app.4399.cn

app.4399.cn

853 ms

index.css

index.css

1041 ms

index.js

index.js

671 ms

vendors.js

vendors.js

336 ms

commJs.js

commJs.js

325 ms

m.js

m.js

326 ms

h.js

h.js

468 ms

h.js

h.js

1267 ms

click-1.1.js

click-1.1.js

249 ms

ma~330_20160927102320_57e9d81887e9e.png

ma~330_20160927102320_57e9d81887e9e.png

386 ms

113_240705140738_XjLK.png

113_240705140738_XjLK.png

147 ms

113_240705140738_Dwb1.png

113_240705140738_Dwb1.png

139 ms

113_240705140739_6rRu.png

113_240705140739_6rRu.png

126 ms

113_240705140739_b8Vn.png

113_240705140739_b8Vn.png

138 ms

113_240705140740_HNR4.png

113_240705140740_HNR4.png

127 ms

ma~576_20190628103403_5d157c9bc2099.png

ma~576_20190628103403_5d157c9bc2099.png

124 ms

mi~708_20190329184825_5c9df7f92b58e.png

mi~708_20190329184825_5c9df7f92b58e.png

382 ms

ma~113_230111144514_JhsP.png

ma~113_230111144514_JhsP.png

383 ms

template2_sprites.png

template2_sprites.png

74 ms

header_bg.png

header_bg.png

78 ms

template_logoText.png

template_logoText.png

76 ms

icon_scan.png

icon_scan.png

75 ms

download_btn.png

download_btn.png

75 ms

description_bg.png

description_bg.png

76 ms

install_bg.png

install_bg.png

75 ms

install_title.png

install_title.png

76 ms

share.png

share.png

78 ms

sprites.png

sprites.png

78 ms

nav_btn.png

nav_btn.png

79 ms

phone_universal.png

phone_universal.png

79 ms

ico_49online.png

ico_49online.png

79 ms

wen.png

wen.png

79 ms

an.png

an.png

79 ms

iosgame.png

iosgame.png

80 ms

web-analytics-sdk_1.2.9.min.js

web-analytics-sdk_1.2.9.min.js

391 ms

hm.gif

hm.gif

928 ms

Accessibility Review

app.4399.cn accessibility score

47

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

app.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

SEO Factors

app.4399.cn SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise App.4399.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that App.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

app.4399.cn

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