Access 52zxw.com. 我爱自学网-我要自学网-52自学网-精心打造自学网络视频教程

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value21.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value191.5 s

0/100

10%

52zxw.com

3590 ms

maincss.css

1952 ms

css.css

514 ms

bav.js

523 ms

myjs.js

522 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 42% of them (54 requests) were addressed to the original 52zxw.com, 7% (9 requests) were made to Pos.baidu.com and 6% (8 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (9 sec) relates to the external source T11.baidu.com.

Content Size

1.7 MB

After Optimization

1.2 MB

In fact, the total size of 52zxw.com main page is 1.7 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 95.7 kB

Original 112.8 kB
After minification 92.1 kB
After compression 17.0 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 20.6 kB, which is 18% 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 95.7 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 101.8 kB

Original 1.1 MB
After minification 964.7 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. 52 Zxw images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 275.1 kB

Original 493.2 kB
After minification 492.6 kB
After compression 218.1 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 275.1 kB or 56% of the original size.

CSS Optimization

-83%

Potential reduce by 45.2 kB

Original 54.3 kB
After minification 46.6 kB
After compression 9.1 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. 52zxw.com needs all CSS files to be minified and compressed as it can save up to 45.2 kB or 83% of the original size.

Requests Now

126

After Optimization

The browser has sent 126 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 52 Zxw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

<html> element does not have a [lang] attribute

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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 52zxw.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 52zxw.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

52zxw.com

Open Graph description is not detected on the main page of 52 Zxw. 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

我爱自学网-我要自学网-52自学网-精心打造自学网络视频教程

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

52zxw.com

maincss.css

css.css

bav.js

myjs.js

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

52zxw.com

maincss.css

css.css

bav.js

myjs.js

jquery.js

jquery.cross-slide.js

adsbygoogle.js

c.js

inlay.js

topbg.gif

logo.gif

01.gif

03.gif

qq.png

9.jpg

dreamweaver.jpg

cadslzssj.jpg

proe.jpg

wbzx.jpg

word2010.jpg

word2007.jpg

photoshop.jpg

coreldraw.jpg

illustrator.jpg

tbg.gif

menu_left.gif

menu_right.gif

menu_bg.gif

menu_on_left.gif

menu_on_right.gif

menu_line.gif

js

title.gif

video.gif

xulie.gif

tytitle.gif

wenda.gif

ca-pub-1268940723290766.js

zrt_lookup.html

show_ads_impl.js

num.gif

ecom