Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

zzccjsj.com

郑州中专学校,河南郑州长城科技中等专业学校,中专大专连读

Page Load Speed

29.6 sec in total

First Response

4.1 sec

Resources Loaded

25.2 sec

Page Rendered

294 ms

zzccjsj.com screenshot

About Website

Welcome to zzccjsj.com homepage info - get ready to check Zzccjsj best content for China right away, or after learning these important things about zzccjsj.com

郑州中专学校有哪些?首选河南郑州长城科技中专学校,中专学校排名靠前!计算机电脑艺术设计,汽修,幼师,会计,电气焊,家电制冷维修等技术专业,中专统招大专连读。

Visit zzccjsj.com

Key Findings

We analyzed Zzccjsj.com page load time and found that the first response time was 4.1 sec and then it took 25.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

zzccjsj.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.115

86/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

zzccjsj.com

4075 ms

www.zzccjsj.com

9383 ms

global.css

766 ms

style.css

1653 ms

index.css

1770 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 81% of them (61 requests) were addressed to the original Zzccjsj.com, 9% (7 requests) were made to Www5.53kf.com and 1% (1 request) were made to Tb.53kf.com. The less responsive or slowest element that took the longest time to load (9.4 sec) belongs to the original domain Zzccjsj.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 199.0 kB (35%)

Content Size

575.5 kB

After Optimization

376.5 kB

In fact, the total size of Zzccjsj.com main page is 575.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 326.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 79.7 kB

  • Original 94.4 kB
  • After minification 88.4 kB
  • After compression 14.7 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. 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 79.7 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 18.1 kB

  • Original 326.6 kB
  • After minification 308.5 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. Zzccjsj images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 80.1 kB

  • Original 127.8 kB
  • After minification 124.5 kB
  • After compression 47.8 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 80.1 kB or 63% of the original size.

CSS Optimization

-79%

Potential reduce by 21.1 kB

  • Original 26.6 kB
  • After minification 21.9 kB
  • After compression 5.5 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. Zzccjsj.com needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (58%)

Requests Now

71

After Optimization

30

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zzccjsj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zzccjsj.com accessibility score

52

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

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

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zzccjsj.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

zzccjsj.com SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Zzccjsj.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 Zzccjsj.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

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