Tools & Wizards About Us
cdzbgg.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

cdzbgg.com

乐发9-首页

Page Load Speed

48.7 sec in total

First Response

5.3 sec

Resources Loaded

43.2 sec

Page Rendered

187 ms

cdzbgg.com screenshot

About Website

Visit cdzbgg.com now to see the best up-to-date Cdzbgg content and also check out these interesting facts you probably never knew about cdzbgg.com

乐发9在线登录入口线路导航官方注册机械有限公司是一家专业研发、生产与销售除尘等环保设备的公司，本公司是一家集除尘器,环保设备以及废气处理设备生产厂家。

Visit cdzbgg.com

Key Findings

We analyzed Cdzbgg.com page load time and found that the first response time was 5.3 sec and then it took 43.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

cdzbgg.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value29.6 s

0/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value280 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value24.3 s

0/100

10%

Network Requests Diagram

cdzbgg.com

5316 ms

style.css

725 ms

prototype.js

11770 ms

scriptaculous.js

916 ms

lightbox.js

4982 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 84% of them (38 requests) were addressed to the original Cdzbgg.com, 7% (3 requests) were made to Hm.baidu.com and 4% (2 requests) were made to Qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Cdzbgg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.2 kB (68%)

Content Size

206.8 kB

After Optimization

66.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cdzbgg.com main page is 206.8 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. 15% of websites need less resources to load. HTML takes 91.2 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 81.3 kB

  • Original 91.2 kB
  • After minification 72.3 kB
  • After compression 9.9 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 18.9 kB, which is 21% 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 81.3 kB or 89% of the original size.

Image Optimization

-23%

Potential reduce by 13.9 kB

  • Original 60.7 kB
  • After minification 46.8 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. Obviously, Cdzbgg needs image optimization as it can save up to 13.9 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 29.1 kB

  • Original 35.0 kB
  • After minification 25.7 kB
  • After compression 5.9 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 29.1 kB or 83% of the original size.

CSS Optimization

-80%

Potential reduce by 15.9 kB

  • Original 19.9 kB
  • After minification 17.1 kB
  • After compression 4.0 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. Cdzbgg.com needs all CSS files to be minified and compressed as it can save up to 15.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (46%)

Requests Now

41

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdzbgg. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cdzbgg.com

cdzbgg.com

5316 ms

style.css

style.css

725 ms

prototype.js

prototype.js

11770 ms

scriptaculous.js

scriptaculous.js

916 ms

lightbox.js

lightbox.js

4982 ms

lightbox.css

lightbox.css

1084 ms

common.css

common.css

8922 ms

dh_xiala.js

dh_xiala.js

1084 ms

style.css

style.css

1447 ms

a.css

a.css

1810 ms

A.css

A.css

2171 ms

effects.js

effects.js

4957 ms

bg.gif

bg.gif

390 ms

dh_03.gif

dh_03.gif

480 ms

up1.gif

up1.gif

489 ms

down1.gif

down1.gif

487 ms

13.jpg

13.jpg

1771 ms

class3.gif

class3.gif

474 ms

left3.jpg

left3.jpg

1545 ms

1288169722.jpg

1288169722.jpg

2757 ms

more.jpg

more.jpg

942 ms

1280467807.jpg

1280467807.jpg

3430 ms

201282054039709.jpg

201282054039709.jpg

18277 ms

201282060491749.jpg

201282060491749.jpg

19832 ms

201282060911821.jpg

201282060911821.jpg

4690 ms

201282061005093.jpg

201282061005093.jpg

14714 ms

201572446968145.jpg

201572446968145.jpg

19611 ms

201572447512085.jpg

201572447512085.jpg

20376 ms

201572448337021.jpg

201572448337021.jpg

10056 ms

201572448814881.jpg

201572448814881.jpg

16507 ms

201572453719661.jpg

201572453719661.jpg

20375 ms

201572454502989.jpg

201572454502989.jpg

19254 ms

201572551124537.jpg

201572551124537.jpg

20376 ms

201572553476973.jpg

201572553476973.jpg

20375 ms

201572555340693.jpg

201572555340693.jpg

20375 ms

h.js

h.js

1957 ms

sfsfd.jpg

sfsfd.jpg

20434 ms

21.gif

21.gif

1216 ms

b.js

b.js

635 ms

hm.gif

hm.gif

524 ms

bw.js

bw.js

1267 ms

bw.css

bw.css

1829 ms

loading.gif

loading.gif

569 ms

closelabel.gif

closelabel.gif

3491 ms

hm.gif

hm.gif

871 ms

Accessibility Review

cdzbgg.com accessibility score

74

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

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.

Internationalization and localization

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

Impact

Issue

High

[lang] attributes do not have a valid value

Best Practices

cdzbgg.com best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cdzbgg.com SEO score

79

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 Cdzbgg.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 Cdzbgg.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

cdzbgg.com

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