Access zhongkao.zxxk.com. 学科中考网-权威的中考资源网-中考试题库-中考试题免费下载

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.12

84/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

zhongkao.zxxk.com

8198 ms

header_foot.css

796 ms

css.css

2936 ms

allsort.css

979 ms

top-flv.css

5689 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 13% of them (16 requests) were addressed to the original Zhongkao.zxxk.com, 53% (66 requests) were made to Img2.zxxk.com and 13% (16 requests) were made to Yw.zxxk.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Img2.zxxk.com.

Content Size

1.4 MB

After Optimization

904.0 kB

In fact, the total size of Zhongkao.zxxk.com main page is 1.4 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. 35% of websites need less resources to load. Images take 830.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 121.7 kB

Original 146.0 kB
After minification 128.0 kB
After compression 24.3 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 18.0 kB, which is 12% 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 121.7 kB or 83% of the original size.

Image Optimization

-12%

Potential reduce by 103.1 kB

Original 830.9 kB
After minification 727.8 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, Zhongkao Zxxk needs image optimization as it can save up to 103.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 231.4 kB

Original 373.5 kB
After minification 370.2 kB
After compression 142.1 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 231.4 kB or 62% of the original size.

CSS Optimization

-79%

Potential reduce by 36.6 kB

Original 46.5 kB
After minification 41.5 kB
After compression 9.8 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. Zhongkao.zxxk.com needs all CSS files to be minified and compressed as it can save up to 36.6 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhongkao Zxxk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 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 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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

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

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 Zhongkao.zxxk.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 Zhongkao.zxxk.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

zhongkao.zxxk.com

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

学科中考网-权威的中考资源网-中考试题库-中考试题免费下载

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

zhongkao.zxxk.com

header_foot.css

css.css

allsort.css

top-flv.css

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

zhongkao.zxxk.com

header_foot.css

css.css

allsort.css

top-flv.css

jquery.js

pub_header.css

cart.css

SiteComm.min.js

jquery.js

jquery.xdk.js

xk.xdk.js

GetSubTemp.min.js

Util.min.js

jquery.fn.extensions.min.js

windowStorage.min.js

cart.min.js

m.js

jcarousellite.js

top_logo.jpg

zkzt2015061901.jpg

Feature.aspx

tiaocuo.png

nav_line.png

zkzt20140618.jpg

zkzt2014052702.jpg

zkzt2014052703.jpg

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com

img2.zxxk.com