Tools & Wizards About Us
gdsb.cn screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

gdsb.cn

盘式干燥机\真空干燥机\真空过滤机\桨叶干燥机\罐式过滤机\蒸发结晶器等化工设备专业生产厂家

Page Load Speed

22.6 sec in total

First Response

862 ms

Resources Loaded

21.5 sec

Page Rendered

267 ms

gdsb.cn screenshot

About Website

Visit gdsb.cn now to see the best up-to-date Gdsb content and also check out these interesting facts you probably never knew about gdsb.cn

石家庄工大专业生产干燥机-蒸发器-结晶器-过滤机-塔器等化工设备厂家,产品涵盖盘式-桨叶-闪蒸-流化床-真空等干燥机,降膜-强制-自然循环-刮板-废水等多效蒸发器,DTB-OLSO结晶器,带式-转鼓-罐式-真空过滤(干燥)机和塔器等化工设备

Visit gdsb.cn

Key Findings

We analyzed Gdsb.cn page load time and found that the first response time was 862 ms and then it took 21.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

gdsb.cn performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.29

41/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

gdsb.cn

862 ms

default.css

661 ms

index.css

664 ms

jquery.js

905 ms

default.js

666 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 53% of them (52 requests) were addressed to the original Gdsb.cn, 46% (46 requests) were made to Aliyun8.cdn.jiasucdn.cn and 1% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source .

Page Optimization Overview & Recommendations

Page size can be reduced by 51.2 kB (2%)

Content Size

3.1 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gdsb.cn main page is 3.1 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 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 22.4 kB

  • Original 27.9 kB
  • After minification 24.9 kB
  • After compression 5.4 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 22.4 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 17.7 kB

  • Original 3.1 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. Gdsb images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 9.9 kB

  • Original 44.9 kB
  • After minification 44.9 kB
  • After compression 35.0 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 9.9 kB or 22% of the original size.

CSS Optimization

-30%

Potential reduce by 1.1 kB

  • Original 3.8 kB
  • After minification 3.8 kB
  • After compression 2.6 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. Gdsb.cn needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 30% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

51

After Optimization

51

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gdsb. According to our analytics all requests are already optimized.

Network Requests Diagram

gdsb.cn

gdsb.cn

862 ms

default.css

default.css

661 ms

index.css

index.css

664 ms

jquery.js

jquery.js

905 ms

default.js

default.js

666 ms

slider.js

slider.js

666 ms

VieidServlet

VieidServlet

19839 ms

logo.png

logo.png

227 ms

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225 ms

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229 ms

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449 ms

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449 ms

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449 ms

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451 ms

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450 ms

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451 ms

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671 ms

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673 ms

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673 ms

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674 ms

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675 ms

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678 ms

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892 ms

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895 ms

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896 ms

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895 ms

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896 ms

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897 ms

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1069 ms

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1072 ms

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1074 ms

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1076 ms

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1078 ms

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1081 ms

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1290 ms

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1295 ms

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1298 ms

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1300 ms

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1301 ms

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1293 ms

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1500 ms

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1280 ms

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863 ms

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1091 ms

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902 ms

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1590 ms

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1336 ms

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1338 ms

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1341 ms

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1342 ms

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1347 ms

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1159 ms

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1279 ms

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1133 ms

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1089 ms

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1265 ms

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1521 ms

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1364 ms

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2782 ms

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1673 ms

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1477 ms

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1373 ms

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1517 ms

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1594 ms

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1379 ms

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1468 ms

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1514 ms

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1602 ms

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1656 ms

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1888 ms

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2363 ms

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2271 ms

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1605 ms

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1642 ms

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1829 ms

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1640 ms

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1841 ms

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1843 ms

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1869 ms

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2062 ms

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2046 ms

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1870 ms

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2050 ms

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2040 ms

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2065 ms

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2069 ms

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2102 ms

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227 ms

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448 ms

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448 ms

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448 ms

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450 ms

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275 ms

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285 ms

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284 ms

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269 ms

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250 ms

Accessibility Review

gdsb.cn accessibility score

54

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

gdsb.cn 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

gdsb.cn SEO score

83

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gdsb.cn 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 Gdsb.cn 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

gdsb.cn

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