Tools & Wizards About Us
zgjsx.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

zgjsx.com

自贡市建筑工程技术中心

Page Load Speed

8.4 sec in total

First Response

732 ms

Resources Loaded

7.3 sec

Page Rendered

334 ms

zgjsx.com screenshot

About Website

Welcome to zgjsx.com homepage info - get ready to check Zgjsx best content right away, or after learning these important things about zgjsx.com

自贡建筑工程技术学校是经四川省建设厅资质评定委员会批准的建设类培训机构，是自贡市规划和建设局直属的具有全方位培训职能和发证资格的定点培训单位。联系电话：0813-8288628

Visit zgjsx.com

Key Findings

We analyzed Zgjsx.com page load time and found that the first response time was 732 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zgjsx.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value1.348

0/100

15%

TTI (Time to Interactive)

Value6.2 s

61/100

10%

Network Requests Diagram

zgjsx.com

732 ms

zgjsx.com

1506 ms

index.css

254 ms

animation.css

503 ms

jquery-3.5.1.min.js

978 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 97% of them (58 requests) were addressed to the original Zgjsx.com, 2% (1 request) were made to Sdk.51.la and 2% (1 request) were made to Collect-v6.51.la. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Zgjsx.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 809.5 kB (20%)

Content Size

4.0 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zgjsx.com main page is 4.0 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 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 95.2 kB

  • Original 104.2 kB
  • After minification 58.0 kB
  • After compression 8.9 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 46.2 kB, which is 44% 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 95.2 kB or 91% of the original size.

Image Optimization

-18%

Potential reduce by 656.2 kB

  • Original 3.7 MB
  • After minification 3.0 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. Obviously, Zgjsx needs image optimization as it can save up to 656.2 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

-21%

Potential reduce by 47.3 kB

  • Original 221.2 kB
  • After minification 220.7 kB
  • After compression 173.9 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 47.3 kB or 21% of the original size.

CSS Optimization

-32%

Potential reduce by 10.7 kB

  • Original 33.5 kB
  • After minification 32.7 kB
  • After compression 22.8 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. Zgjsx.com needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (20%)

Requests Now

56

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zgjsx. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zgjsx.com

zgjsx.com

732 ms

zgjsx.com

zgjsx.com

1506 ms

index.css

index.css

254 ms

animation.css

animation.css

503 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

978 ms

jquery.min.js

jquery.min.js

990 ms

jquery.imgscroll.min.js

jquery.imgscroll.min.js

749 ms

maodian.js

maodian.js

746 ms

layui.css

layui.css

1003 ms

public.css

public.css

749 ms

layui.js

layui.js

1754 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

88 ms

laydate.css

laydate.css

252 ms

layer.css

layer.css

252 ms

code.css

code.css

246 ms

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500 ms

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982 ms

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1248 ms

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1996 ms

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1999 ms

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2243 ms

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2535 ms

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2549 ms

collect

collect

1776 ms

2x.png

2x.png

2674 ms

iconfont.woff

iconfont.woff

2253 ms

top.png

top.png

1765 ms

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1780 ms

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1554 ms

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1676 ms

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1721 ms

copy4.png

copy4.png

1526 ms

Accessibility Review

zgjsx.com accessibility score

70

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.

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

Best Practices

zgjsx.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zgjsx.com SEO score

75

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zgjsx.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Zgjsx.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

zgjsx.com

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