Access yingyu.chazidian.com. 英语_英语学习_少儿英语_初中英语_高中英语

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.5 s

1/100

10%

yingyu.chazidian.com

4506 ms

uaredirect.js

717 ms

layout.css

65 ms

jquery.js

105 ms

interactive.js

64 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 26% of them (25 requests) were addressed to the original Yingyu.chazidian.com, 23% (22 requests) were made to Res.chazidian.com and 8% (8 requests) were made to T11.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source T10.baidu.com.

Content Size

1.0 MB

After Optimization

512.5 kB

In fact, the total size of Yingyu.chazidian.com main page is 1.0 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 450.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 70.9 kB

Original 86.0 kB
After minification 66.2 kB
After compression 15.1 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 19.9 kB, which is 23% 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 70.9 kB or 82% of the original size.

Image Optimization

-25%

Potential reduce by 111.4 kB

Original 450.2 kB
After minification 338.9 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. Obviously, Yingyu Chazidian needs image optimization as it can save up to 111.4 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 285.6 kB

Original 435.7 kB
After minification 432.2 kB
After compression 150.0 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 285.6 kB or 66% of the original size.

CSS Optimization

-77%

Potential reduce by 29.1 kB

Original 37.6 kB
After minification 34.9 kB
After compression 8.6 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. Yingyu.chazidian.com needs all CSS files to be minified and compressed as it can save up to 29.1 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yingyu Chazidian. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 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 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

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

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

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 Yingyu.chazidian.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 Yingyu.chazidian.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

yingyu.chazidian.com

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

英语_英语学习_少儿英语_初中英语_高中英语_大学英语-查字典英语网

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

yingyu.chazidian.com

uaredirect.js

layout.css

jquery.js

interactive.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

yingyu.chazidian.com

uaredirect.js

layout.css

jquery.js

interactive.js

lrtk.js

top.css

czd_gg.js

topnav_icon.png

qq_login_green_2.gif

noavatar_small.gif

lvs-icon1.jpg

headroom.js

top.js

bookmark.js

icon.png

js

c.js

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copyright.js

fb.js

15291507.js

3508847.js

icsm

slide-bg.png

icsm