Tools & Wizards About Us
zdh1909.com screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 0

    Accessibility

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 0

    SEO

zdh1909.com

没有找到站点

Page Load Speed

92.6 sec in total

First Response

3.6 sec

Resources Loaded

88.5 sec

Page Rendered

625 ms

zdh1909.com screenshot

About Website

Welcome to zdh1909.com homepage info - get ready to check Zdh 1909 best content for China right away, or after learning these important things about zdh1909.com

中国高校自动化网教育专注于自动化,电气学生的专业学习教育!

Visit zdh1909.com

Key Findings

We analyzed Zdh1909.com page load time and found that the first response time was 3.6 sec and then it took 89.1 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

zdh1909.com performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

zdh1909.com

3555 ms

www.zdh1909.com

2620 ms

style.css

20290 ms

jquery.js

20291 ms

common.js

1711 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 42% of them (23 requests) were addressed to the original Zdh1909.com, 11% (6 requests) were made to Cpro.baidustatic.com and 9% (5 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Zdh1909.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.8 kB (41%)

Content Size

736.7 kB

After Optimization

433.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zdh1909.com main page is 736.7 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. 35% of websites need less resources to load. Javascripts take 408.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 36.4 kB

  • Original 47.7 kB
  • After minification 45.4 kB
  • After compression 11.2 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 36.4 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 4.2 kB

  • Original 278.9 kB
  • After minification 274.7 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. Zdh 1909 images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 261.1 kB

  • Original 408.4 kB
  • After minification 386.1 kB
  • After compression 147.3 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 261.1 kB or 64% of the original size.

CSS Optimization

-65%

Potential reduce by 1.1 kB

  • Original 1.7 kB
  • After minification 1.5 kB
  • After compression 592 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. Zdh1909.com needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (49%)

Requests Now

51

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zdh 1909. 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 as a result speed up the page load time.

Network Requests Diagram

zdh1909.com

zdh1909.com

3555 ms

www.zdh1909.com

www.zdh1909.com

2620 ms

style.css

style.css

20290 ms

jquery.js

jquery.js

20291 ms

common.js

common.js

1711 ms

Slide.js

Slide.js

856 ms

lhgdialog.js

lhgdialog.js

2165 ms

1.js

1.js

1286 ms

o.js

o.js

896 ms

ajax.js

ajax.js

1722 ms

logo.gif

logo.gif

444 ms

btn.gif

btn.gif

445 ms

201425102569823.jpg

201425102569823.jpg

442 ms

201425102296645_S.jpg

201425102296645_S.jpg

1339 ms

201425104026733_S.jpg

201425104026733_S.jpg

2251 ms

video.gif

video.gif

890 ms

nopic.gif

nopic.gif

1457 ms

biaoshi.gif

biaoshi.gif

893 ms

dcjm

dcjm

955 ms

c.js

c.js

934 ms

dcjm

dcjm

457 ms

myfocus-2.0.4.min.js

myfocus-2.0.4.min.js

4140 ms

dcjm

dcjm

2696 ms

cm.gif

cm.gif

782 ms

adx.php

adx.php

1803 ms

reduce_bd-logo1_oper.png

reduce_bd-logo1_oper.png

460 ms

youku

youku

569 ms

u=620903102,3853517143&fm=76

u=620903102,3853517143&fm=76

2706 ms

u=1340146474,1668800474&fm=76

u=1340146474,1668800474&fm=76

5131 ms

u=1707005748,2696043907&fm=76

u=1707005748,2696043907&fm=76

1804 ms

u=3819971279,3985286042&fm=76

u=3819971279,3985286042&fm=76

3105 ms

u=261765179,778330621&fm=76

u=261765179,778330621&fm=76

2349 ms

u=847317470,999696578&fm=76

u=847317470,999696578&fm=76

7709 ms

u=1159793176,1228544729&fm=76

u=1159793176,1228544729&fm=76

2268 ms

mF_kdui.css

mF_kdui.css

431 ms

mF_kdui.js

mF_kdui.js

982 ms

dcjm

dcjm

456 ms

1312836.js

1312836.js

1008 ms

loading.gif

loading.gif

893 ms

dots.png

dots.png

447 ms

slider-arrows.png

slider-arrows.png

447 ms

icon_0.gif

icon_0.gif

963 ms

ga.js

ga.js

5 ms

__utm.gif

__utm.gif

12 ms

h.js

h.js

760 ms

hm.gif

hm.gif

406 ms

closefeedback.min.js

closefeedback.min.js

467 ms

reduce_promotion_oper.png

reduce_promotion_oper.png

470 ms

bd_logo.png

bd_logo.png

473 ms

bg_rb.png

bg_rb.png

495 ms

200682116242611434.jpg

200682116242611434.jpg

12041 ms

o.htm

o.htm

697 ms

hm.gif

hm.gif

685 ms

wh.js

wh.js

710 ms

ac.js

ac.js

491 ms

Best Practices

zdh1909.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zdh1909.com SEO score

0

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 Zdh1909.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 Zdh1909.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

zdh1909.com

Open Graph description is not detected on the main page of Zdh 1909. 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: