Access 5haoxue.net. 电子课本_人教版小学初中高中教材书

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

91/100

10%

5haoxue.net

2430 ms

www.5haoxue.net

5923 ms

public.css

2604 ms

jquery-1.8.3.min.js

9365 ms

jquery-extend-TrunAd2.js

2233 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 16% of them (12 requests) were addressed to the original 5haoxue.net, 54% (41 requests) were made to Img1.5haoxue.net and 7% (5 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Img1.5haoxue.net.

Content Size

2.8 MB

After Optimization

2.6 MB

In fact, the total size of 5haoxue.net main page is 2.8 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. 25% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 74.7 kB

Original 87.3 kB
After minification 64.3 kB
After compression 12.6 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. This page needs HTML code to be minified as it can gain 23.0 kB, which is 26% 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 74.7 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 11.8 kB

Original 2.5 MB
After minification 2.5 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. 5 Haoxue images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 127.8 kB

Original 192.4 kB
After minification 184.4 kB
After compression 64.7 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 127.8 kB or 66% of the original size.

CSS Optimization

-81%

Potential reduce by 30.6 kB

Original 37.8 kB
After minification 33.7 kB
After compression 7.2 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. 5haoxue.net needs all CSS files to be minified and compressed as it can save up to 30.6 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 5 Haoxue. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 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.

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

Image elements do not have [alt] attributes

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

Displays images with incorrect aspect ratio

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

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 5haoxue.net 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 5haoxue.net 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

5haoxue.net

Open Graph description is not detected on the main page of 5 Haoxue. 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

电子课本_人教版小学初中高中教材书_好学电子课本网

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

5haoxue.net

www.5haoxue.net

public.css

jquery-1.8.3.min.js

jquery-extend-TrunAd2.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

5haoxue.net

www.5haoxue.net

public.css

jquery-1.8.3.min.js

jquery-extend-TrunAd2.js

style.js

texiao.js

slide.css

stat.php

looyushouye.js

hm.js

khd.jpg

logo.jpg

phone.gif

bfan.png

ztk_right.gif

schools.jpg

hejun.gif

huatu.gif

ku6.gif

youku.gif

dh.gif

gray_bor_105.gif

sousuo.gif

sousuo2.gif

banner4yuefbz.jpg

0330hszb.jpg

bannerej4yuefbz.jpg

bannerxf4yuefbz.jpg

banneryj4yuefbz.jpg

bannerkjz4yuefbz.jpg

hgdian2.png

hgdian.png

news_bg.gif

z_more.gif

live.jpg

play_btn.png

yuyue.gif

yjy_bg.gif

teacher02.jpg

ztk_left.gif

company_bg.jpg

erwei.gif