Access chinazy.org. 中国职业技术教育网

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.214

58/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

chinazy.org

16178 ms

index-style.css

2008 ms

jQuery.js

8033 ms

top-nav.png

1089 ms

denglu.png

1149 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 74% of them (80 requests) were addressed to the original Chinazy.org, 16% (17 requests) were made to Zjchina.org and 3% (3 requests) were made to Static.anquan.org. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Chinazy.org.

Content Size

1.0 MB

After Optimization

731.0 kB

In fact, the total size of Chinazy.org 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. 25% of websites need less resources to load. Images take 855.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 110.3 kB

Original 129.1 kB
After minification 115.7 kB
After compression 18.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 110.3 kB or 85% of the original size.

Image Optimization

-18%

Potential reduce by 154.5 kB

Original 855.5 kB
After minification 701.0 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, Chinazy needs image optimization as it can save up to 154.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 7.1 kB

Original 11.2 kB
After minification 11.2 kB
After compression 4.1 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 7.1 kB or 64% of the original size.

CSS Optimization

-85%

Potential reduce by 41.1 kB

Original 48.2 kB
After minification 37.3 kB
After compression 7.1 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. Chinazy.org needs all CSS files to be minified and compressed as it can save up to 41.1 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinazy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

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 Chinazy.org 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 Chinazy.org 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

chinazy.org

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

中国职业技术教育网 - 国家级职业教育门户

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

chinazy.org

index-style.css

jQuery.js

top-nav.png

denglu.png

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

chinazy.org

index-style.css

jQuery.js

top-nav.png

denglu.png

sy02.gif

shu.png

zjwwx.jpg

leftbtn.png

alink8.gif

alink1.gif

dwhz.jpg

jituanhuabanxue1.png

alink3.png

alink4.gif

alink5.gif

alink6.gif

xtz.jpg

jyjx.jpg

dwhz2.jpg

anliku10.jpg

rightbtn.png

zhxyyt.jpg

chf32.jpg

B-left-tatle.png

gyxh-tatle.png

B-left-zjcp-tatle.png

hhh.jpg

bg1px.png

zjw_gdtp.html

xwzxAction.fo

xin.png

xinwen1.png

xinwenhuan.png

dian.png

mrkd1.jpg

hover.png

ff.png

xue1.png

xue2.png

xue3.png

gg_3.jpg

gg_5.jpg