Access preschool.net.cn. NBA直播_NBA比赛直播_免费高清NBA比赛在线直播吧

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

index.html

11040 ms

slide.css

456 ms

style.css

5156 ms

nongli.min.js

4490 ms

jquery-1.8.2.min.js

14431 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Preschool.net.cn, 45% (53 requests) were made to Web.preschool.net.cn and 8% (9 requests) were made to Tp4.sinaimg.cn. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Bbs.predu.net.cn.

Content Size

1.2 MB

After Optimization

843.9 kB

In fact, the total size of Preschool.net.cn main page is 1.2 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. 40% of websites need less resources to load. Images take 808.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 88.7 kB

Original 105.4 kB
After minification 87.6 kB
After compression 16.7 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 17.8 kB, which is 17% 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 88.7 kB or 84% of the original size.

Image Optimization

-10%

Potential reduce by 82.0 kB

Original 808.1 kB
After minification 726.1 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. Preschool images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 173.6 kB

Original 265.3 kB
After minification 256.8 kB
After compression 91.7 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 173.6 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 39.1 kB

Original 48.4 kB
After minification 46.3 kB
After compression 9.4 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. Preschool.net.cn needs all CSS files to be minified and compressed as it can save up to 39.1 kB or 81% of the original size.

Requests Now

115

After Optimization

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Preschool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 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 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

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

High

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

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

<input type="image"> elements do not have [alt] text

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

Serves images with low resolution

Low

Detected JavaScript libraries

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

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

UTF-8

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

preschool.net.cn

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

NBA直播_NBA比赛直播_免费高清NBA比赛在线直播吧_NBA直播吧

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

index.html

slide.css

style.css

nongli.min.js

jquery-1.8.2.min.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

index.html

slide.css

style.css

nongli.min.js

jquery-1.8.2.min.js

myfocus-2.0.1.min.js

common.js

batch.newpanel.php

index.js

batch.formhash.php

api.php

api.php

api.php

goods_script.php

batch.panel.php

stat.php

163444yf8zjfxaf6jxaift.jpg

logo.jpg

biaoyu.jpg

zt.jpg

1_201506081638181pSTS.jpg

loadingimg.gif

1_201602290952451lLuC.jpg

1_201601221047551WWqm.jpg

1_2016010811493116uQ4.jpg

14386_2015122411072316qR4.jpg

more.jpg

1_2016022211004512E80.jpg

1_2016022210534015Xpx.jpg

1_201506091310061Pb9c.gif

weather.htm

icon.png

index.php

weiboShow.css

skin04.css

gaea_1_19.js

show.js

suda.js

stat.htm

core.php

tougao.jpg

9.gif

pic.gif