Tools & Wizards About Us
zhaohanvacuum.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zhaohanvacuum.com

Liquid Ring Vacuum Pump, Vacuum Compressor Manufacturers, Suppliers - Zibo Zhaohan Vacuum Pump Co.,Ltd

Page Load Speed

3.8 sec in total

First Response

441 ms

Resources Loaded

2.8 sec

Page Rendered

560 ms

zhaohanvacuum.com screenshot

About Website

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

Zibo Zhaohan Vacuum Pump Co.,Ltd offer liquid ring vacuum pumps and complete vacuum systems as reliable solution for most demanding process, for OEM and Engineering-Contractors.

Visit zhaohanvacuum.com

Key Findings

We analyzed Zhaohanvacuum.com page load time and found that the first response time was 441 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zhaohanvacuum.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value3,080 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.122

84/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

zhaohanvacuum.com

441 ms

www.zhaohanvacuum.com

571 ms

swiper.min.css

321 ms

animate.css

323 ms

style.css

306 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 49% of them (40 requests) were addressed to the original Zhaohanvacuum.com, 15% (12 requests) were made to Img01.v15cdn.com and 9% (7 requests) were made to Css02.v15cdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zhaohanvacuum.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 275.5 kB (11%)

Content Size

2.6 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhaohanvacuum.com main page is 2.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 30.6 kB

  • Original 38.2 kB
  • After minification 35.3 kB
  • After compression 7.6 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 30.6 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 19.1 kB

  • Original 2.0 MB
  • After minification 2.0 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. Zhaohan Vacuum images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 225.3 kB

  • Original 459.3 kB
  • After minification 459.3 kB
  • After compression 234.0 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 225.3 kB or 49% of the original size.

CSS Optimization

-1%

Potential reduce by 512 B

  • Original 78.3 kB
  • After minification 78.3 kB
  • After compression 77.8 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. Zhaohanvacuum.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (40%)

Requests Now

78

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhaohan Vacuum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zhaohanvacuum.com

zhaohanvacuum.com

441 ms

www.zhaohanvacuum.com

www.zhaohanvacuum.com

571 ms

swiper.min.css

swiper.min.css

321 ms

animate.css

animate.css

323 ms

style.css

style.css

306 ms

jquery.js

jquery.js

327 ms

sitecommon.js

sitecommon.js

321 ms

style.js

style.js

309 ms

rvc.js

rvc.js

309 ms

other.css

other.css

74 ms

Site_Common.js

Site_Common.js

325 ms

swiper.min.js

swiper.min.js

394 ms

count2.js

count2.js

324 ms

float19323.js

float19323.js

151 ms

js

js

57 ms

gtm.js

gtm.js

83 ms

logo201901221505210998829.png

logo201901221505210998829.png

82 ms

amore.webp

amore.webp

702 ms

nav.png

nav.png

73 ms

0coQOSSxf-o

0coQOSSxf-o

170 ms

en.webp

en.webp

683 ms

ru.webp

ru.webp

690 ms

es.webp

es.webp

782 ms

fr.webp

fr.webp

691 ms

pt.webp

pt.webp

691 ms

de.webp

de.webp

689 ms

ar.webp

ar.webp

691 ms

af.webp

af.webp

779 ms

vn.webp

vn.webp

780 ms

id.webp

id.webp

779 ms

city.jpg

city.jpg

104 ms

skills.jpg

skills.jpg

100 ms

qiu.jpg

qiu.jpg

97 ms

ball.png

ball.png

114 ms

bicycle.jpg

bicycle.jpg

104 ms

ba201901310918356588606.jpg

ba201901310918356588606.jpg

783 ms

ba201901271801061997183.jpg

ba201901271801061997183.jpg

891 ms

ba202012281535289910359.jpg

ba202012281535289910359.jpg

910 ms

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201901251044222564642.jpg

779 ms

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20190127103038.png

823 ms

2.png

2.png

941 ms

3.png

3.png

1031 ms

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201901141332543236020.jpg

854 ms

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895 ms

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926 ms

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201901141518131264764.jpg

961 ms

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976 ms

p201901271544285225739.jpg

p201901271544285225739.jpg

1016 ms

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p201901271551254334464.jpg

1051 ms

p201901271553116133190.jpg

p201901271553116133190.jpg

1056 ms

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p201901271549130123204.jpg

1049 ms

p201901280913354641661.jpg

p201901280913354641661.jpg

1107 ms

p201901221635515600626.jpg

p201901221635515600626.jpg

1111 ms

asd36363896670.jpg

asd36363896670.jpg

1124 ms

axcv37334276400.jpg

axcv37334276400.jpg

1169 ms

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201901221333297779989.jpg

1123 ms

ljj39558766096.jpg

ljj39558766096.jpg

1166 ms

kuy40297687899.jpg

kuy40297687899.jpg

1324 ms

gdfsfvb44116146515.jpg

gdfsfvb44116146515.jpg

1219 ms

fhfhbv01012856823.jpg

fhfhbv01012856823.jpg

1255 ms

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mgfcg59099656970.jpg

1212 ms

bgder48004241369.jpg

bgder48004241369.jpg

1303 ms

75ggh48457071489.jpg

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1302 ms

865ghh52237287215.jpg

865ghh52237287215.jpg

1295 ms

mgccc53027146806.jpg

mgccc53027146806.jpg

1340 ms

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201901161501405655811.jpg

1341 ms

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1362 ms

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1372 ms

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201901161508289401342.jpg

1381 ms

s

s

1386 ms

wmkc-ico23.webp

wmkc-ico23.webp

723 ms

www-player.css

www-player.css

6 ms

www-embed-player.js

www-embed-player.js

25 ms

base.js

base.js

53 ms

ad_status.js

ad_status.js

221 ms

Q_BtBDv5dYOJzhRCKxAP2e8Htmv8FmyjEtTc2-mDxbE.js

Q_BtBDv5dYOJzhRCKxAP2e8Htmv8FmyjEtTc2-mDxbE.js

158 ms

embed.js

embed.js

51 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

63 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

69 ms

Create

Create

107 ms

id

id

98 ms

GenerateIT

GenerateIT

13 ms

Accessibility Review

zhaohanvacuum.com accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

zhaohanvacuum.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zhaohanvacuum.com SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhaohanvacuum.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Zhaohanvacuum.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

zhaohanvacuum.com

Open Graph data is detected on the main page of Zhaohan Vacuum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: