Access 4399sy.com. 4399手机游戏_手机网游_精品手游运营平台-广州四三九九信息科技有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

4399sy.com

468 ms

4399sy.com

979 ms

public.css

536 ms

index.css

1220 ms

animation.css

539 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original 4399sy.com, 77% (40 requests) were made to Sy-cdnres.unionsy.com and 12% (6 requests) were made to Url.my4399.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Sy-cdnres.unionsy.com.

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of 4399sy.com main page is 1.4 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 60.7 kB

Original 69.9 kB
After minification 46.1 kB
After compression 9.2 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. This page needs HTML code to be minified as it can gain 23.8 kB, which is 34% 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 60.7 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 129.9 kB

Original 1.3 MB
After minification 1.1 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. 4399 Sy images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 10.0 kB

Original 50.1 kB
After minification 50.1 kB
After compression 40.1 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 10.0 kB or 20% of the original size.

CSS Optimization

-29%

Potential reduce by 5.9 kB

Original 19.9 kB
After minification 19.6 kB
After compression 14.0 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. 4399sy.com needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 29% of the original size.

Requests Now

After Optimization

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4399 Sy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4399sy.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that 4399sy.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.

Social Sharing Optimization

4399sy.com

Open Graph description is not detected on the main page of 4399 Sy. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

4399手机游戏_手机网游_精品手游运营平台-广州四三九九信息科技有限公司

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

4399sy.com

4399sy.com

public.css

index.css

animation.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

4399sy.com

4399sy.com

public.css

index.css

animation.css

sub.css

gray-theme.css

stat.js

jquery-1.4.2.min.js

common.js

focus.js

game_search_new.js

functions.js

MSClass.js

credit_card_check.js

s.php

bg_re.png

top_re.png

icons.png

y_dotted.png

logo.png

icons.png

x_dotted.png

icons.png

201811221052571025.jpg

201709081849506014.jpg

202208031227473594.png

201807271747292921.png

201807271748454289.png

202208031227433242.png

footer_re.png

footer-logo.png

IP-police.png

onPolice.png

record.png

er.png

s.php

s.php

s.php

s.php

s.php

h.js

hm.gif