Tools & Wizards About Us
zgjsx.com screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

zgjsx.com

自贡市建筑工程技术中心

Page Load Speed

59.9 sec in total

First Response

12.5 sec

Resources Loaded

47.2 sec

Page Rendered

243 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 12.5 sec and then it took 47.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 24 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zgjsx.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.196

63/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

zgjsx.com

12483 ms

Public.css

948 ms

css.css

947 ms

style.css

945 ms

upgd.js

1150 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 92% of them (48 requests) were addressed to the original Zgjsx.com, 2% (1 request) were made to Quote.51.la and 2% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Zgjsx.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.5 kB (61%)

Content Size

113.4 kB

After Optimization

43.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zgjsx.com main page is 113.4 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. HTML takes 69.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 60.3 kB

  • Original 69.8 kB
  • After minification 63.5 kB
  • After compression 9.6 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 60.3 kB or 86% of the original size.

Image Optimization

-8%

Potential reduce by 2.7 kB

  • Original 33.6 kB
  • After minification 30.8 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. Zgjsx images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 3.6 kB

  • Original 6.3 kB
  • After minification 5.8 kB
  • After compression 2.7 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 3.6 kB or 57% of the original size.

CSS Optimization

-80%

Potential reduce by 2.9 kB

  • Original 3.7 kB
  • After minification 2.1 kB
  • After compression 750 B

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 2.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (26%)

Requests Now

27

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zgjsx.com

zgjsx.com

12483 ms

Public.css

Public.css

948 ms

css.css

css.css

947 ms

style.css

style.css

945 ms

upgd.js

upgd.js

1150 ms

loadflash.js

loadflash.js

1158 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

19842 ms

killerror.js

killerror.js

1435 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

11375 ms

jquery.luara.0.0.1.min.js

jquery.luara.0.0.1.min.js

2500 ms

leftgda.js

leftgda.js

579 ms

quote.51.la

quote.51.la

1180 ms

6409438.js

6409438.js

891 ms

qqkf.js

qqkf.js

578 ms

jx_bg.jpg

jx_bg.jpg

19994 ms

menu_bg.gif

menu_bg.gif

490 ms

2015_news_03.gif

2015_news_03.gif

4561 ms

new.gif

new.gif

1880 ms

2015_news_04.gif

2015_news_04.gif

533 ms

2015_news_16.jpg

2015_news_16.jpg

970 ms

2015_news_19.jpg

2015_news_19.jpg

5850 ms

2015_news_21.jpg

2015_news_21.jpg

1943 ms

2015_news_23.jpg

2015_news_23.jpg

2415 ms

2015_news_25.jpg

2015_news_25.jpg

13330 ms

20164517321497884x.jpg

20164517321497884x.jpg

3081 ms

20163221795095805x.jpg

20163221795095805x.jpg

3963 ms

2015122111374796501x.jpg

2015122111374796501x.jpg

6767 ms

20160322165819367.jpg

20160322165819367.jpg

9861 ms

20150325170548680.jpg

20150325170548680.jpg

19990 ms

20130517141156625.jpg

20130517141156625.jpg

19989 ms

20130517141111731.jpg

20130517141111731.jpg

19990 ms

20130517141027858.jpg

20130517141027858.jpg

19989 ms

20130517140943761.jpg

20130517140943761.jpg

19990 ms

20130517140556921.jpg

20130517140556921.jpg

19991 ms

20130517140526372.jpg

20130517140526372.jpg

19990 ms

20130517140502867.jpg

20130517140502867.jpg

19990 ms

news_2012239651.jpg

news_2012239651.jpg

19990 ms

news_2012239620.jpg

news_2012239620.jpg

19990 ms

news_2012239554.jpg

news_2012239554.jpg

19990 ms

news_2012239529.jpg

news_2012239529.jpg

19990 ms

news_201223956.jpg

news_201223956.jpg

19989 ms

news_2012239444.jpg

news_2012239444.jpg

19990 ms

index_11.jpg

index_11.jpg

19990 ms

2015_index_07.gif

2015_index_07.gif

19947 ms

2015_index_06.gif

2015_index_06.gif

19947 ms

2015_index_062.gif

2015_index_062.gif

19947 ms

index_08.jpg

index_08.jpg

19888 ms

index_12.jpg

index_12.jpg

19879 ms

requote.asp

requote.asp

2154 ms

icon_0.gif

icon_0.gif

683 ms

head.jpg

head.jpg

19850 ms

2015_index_06_03.gif

2015_index_06_03.gif

19849 ms

Accessibility Review

zgjsx.com accessibility score

46

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

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

zgjsx.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

zgjsx.com SEO score

81

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 Zgjsx.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 Zgjsx.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

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: