Access mamecn.com. 街机游戏_街机游戏下载_街机模拟器游戏下载-超能街机

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value25.7 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

mamecn.com

10093 ms

default.css

798 ms

dedeajax2.js

1271 ms

ad_js.php

4357 ms

df_dedetitle.gif

427 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 63% of them (45 requests) were addressed to the original Mamecn.com, 10% (7 requests) were made to Cpro.baidustatic.com and 6% (4 requests) were made to T10.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source T12.baidu.com.

Content Size

670.6 kB

After Optimization

441.9 kB

In fact, the total size of Mamecn.com main page is 670.6 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 330.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 111.4 kB

Original 133.1 kB
After minification 132.1 kB
After compression 21.6 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 111.4 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 1.9 kB

Original 330.3 kB
After minification 328.4 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. Mamecn images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 113.7 kB

Original 205.1 kB
After minification 205.1 kB
After compression 91.4 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 113.7 kB or 55% of the original size.

CSS Optimization

-78%

Potential reduce by 1.6 kB

Original 2.1 kB
After minification 1.7 kB
After compression 458 B

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. Mamecn.com needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mamecn. 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 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mamecn.com 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 Mamecn.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

mamecn.com

Open Graph description is not detected on the main page of Mamecn. 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

街机游戏_街机游戏下载_街机模拟器游戏下载-超能街机

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

mamecn.com

default.css

dedeajax2.js

ad_js.php

df_dedetitle.gif

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

mamecn.com

default.css

dedeajax2.js

ad_js.php

df_dedetitle.gif

31c1.gif

31c2.gif

31c3.gif

v31s.gif

31c4.gif

01.jpg

20.jpg

11.jpg

03.jpg

04.jpg

05.jpg

07.jpg

08.jpg

02.jpg

12.jpg

13.jpg

14.jpg

06.jpg

17.jpg

15.jpg

16.jpg

19.jpg

18.jpg

09.jpg

10.jpg

21.jpg

c.js

mamecn_ico1.gif

mamecn_ico2.gif

1.png

001.png

2.png

channellist.gif

more.gif

mamecn468_60.gif

i.js

ui

31bg1.gif