Tools & Wizards About Us
doyenchina.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

doyenchina.com

Sludge filters Manufacturer, WasteWater Treatment-Doyen Machinery

Page Load Speed

4.2 sec in total

First Response

377 ms

Resources Loaded

3.2 sec

Page Rendered

621 ms

doyenchina.com screenshot

About Website

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

Doyen Machinery is a professional manufacturer of slurry filters for over 15 years. We also design wastewater treatment plant for our customers.

Visit doyenchina.com

Key Findings

We analyzed Doyenchina.com page load time and found that the first response time was 377 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

doyenchina.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value19.0 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.679

8/100

15%

TTI (Time to Interactive)

Value28.1 s

0/100

10%

Network Requests Diagram

doyenchina.com

377 ms

doyenchina.com

312 ms

style.min.css

565 ms

styles.css

569 ms

bootstrap.min.css

639 ms

Our browser made a total of 145 requests to load all elements on the main page. We found that 90% of them (130 requests) were addressed to the original Doyenchina.com, 3% (5 requests) were made to Youtube.com and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source 1.staticec.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 191.0 kB (5%)

Content Size

4.0 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doyenchina.com main page is 4.0 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. Only a small number of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 123.1 kB

  • Original 162.7 kB
  • After minification 151.0 kB
  • After compression 39.5 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 123.1 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 45.5 kB

  • Original 3.4 MB
  • After minification 3.3 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. Doyen China images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 8.9 kB

  • Original 291.1 kB
  • After minification 291.1 kB
  • After compression 282.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-11%

Potential reduce by 13.4 kB

  • Original 124.5 kB
  • After minification 124.4 kB
  • After compression 111.1 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. Doyenchina.com needs all CSS files to be minified and compressed as it can save up to 13.4 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (29%)

Requests Now

137

After Optimization

97

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doyen China. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

doyenchina.com

doyenchina.com

377 ms

doyenchina.com

doyenchina.com

312 ms

style.min.css

style.min.css

565 ms

styles.css

styles.css

569 ms

bootstrap.min.css

bootstrap.min.css

639 ms

owl.carousel.css

owl.carousel.css

572 ms

owl.theme.css

owl.theme.css

573 ms

zoom.css

zoom.css

572 ms

style.css

style.css

644 ms

index.css

index.css

636 ms

public.css

public.css

647 ms

page.css

page.css

646 ms

reset-css.css

reset-css.css

648 ms

js

js

64 ms

js

js

113 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

793 ms

scroll.js

scroll.js

745 ms

bootstrap.min.js

bootstrap.min.js

747 ms

owl.carousel.min.js

owl.carousel.min.js

745 ms

zoom.min.js

zoom.min.js

745 ms

commons.js

commons.js

747 ms

ec_cs.js

ec_cs.js

1826 ms

dy1.png

dy1.png

129 ms

dy2.png

dy2.png

130 ms

dy3.png

dy3.png

130 ms

dy4.png

dy4.png

233 ms

dy5.png

dy5.png

234 ms

%E9%81%93%E6%89%ACbanner42-1.png

%E9%81%93%E6%89%ACbanner42-1.png

573 ms

%E9%81%93%E6%89%ACbanner21-1.png

%E9%81%93%E6%89%ACbanner21-1.png

577 ms

%E9%81%93%E6%89%ACbanner5.12-1.png

%E9%81%93%E6%89%ACbanner5.12-1.png

576 ms

dy13.png

dy13.png

237 ms

P2-300x138.png

P2-300x138.png

557 ms

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20230705155221-300x167.png

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20230705155221-300x167.png

557 ms

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20210830141623-300x244.png

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20210830141623-300x244.png

559 ms

Vaccum-ceramic-filter-300x133.png

Vaccum-ceramic-filter-300x133.png

559 ms

03f7769f70d942e17bd2ec6c40a711b-300x234.jpg

03f7769f70d942e17bd2ec6c40a711b-300x234.jpg

575 ms

m1-300x234.jpg

m1-300x234.jpg

575 ms

5-300x225.jpg

5-300x225.jpg

574 ms

Original-photo-300x225.jpg

Original-photo-300x225.jpg

710 ms

High-pressure-filter-press-300x255.jpg

High-pressure-filter-press-300x255.jpg

711 ms

A4-300x225.jpg

A4-300x225.jpg

714 ms

Q3-300x225.jpg

Q3-300x225.jpg

712 ms

95-300x206.jpg

95-300x206.jpg

713 ms

S3-300x225.jpg

S3-300x225.jpg

714 ms

C4-300x225.jpg

C4-300x225.jpg

717 ms

%E5%9B%BE%E7%89%871-300x250.png

%E5%9B%BE%E7%89%871-300x250.png

807 ms

A2-300x225.jpg

A2-300x225.jpg

804 ms

B4-300x225.jpg

B4-300x225.jpg

804 ms

video.jpg

video.jpg

806 ms

dy10.png

dy10.png

805 ms

dy11.png

dy11.png

807 ms

wtltP_lmsfM

wtltP_lmsfM

190 ms

m.jpg

m.jpg

784 ms

Arial.woff

Arial.woff

720 ms

RALEWAY-SEMIBOLD.woff

RALEWAY-SEMIBOLD.woff

719 ms

RALEWAY-BOLD.woff

RALEWAY-BOLD.woff

747 ms

RALEWAY-MEDIUM.woff

RALEWAY-MEDIUM.woff

764 ms

dy18.jpg

dy18.jpg

765 ms

dy19.jpg

dy19.jpg

746 ms

dy20.jpg

dy20.jpg

746 ms

dy21.jpg

dy21.jpg

759 ms

dy23.png

dy23.png

677 ms

dy24.jpg

dy24.jpg

686 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

26 ms

base.js

base.js

57 ms

dy25.jpg

dy25.jpg

717 ms

dy26.jpg

dy26.jpg

724 ms

ad_status.js

ad_status.js

158 ms

IB4KEXV8u-k_bkhU78jQUSA-hI9APhLpeQI7w2Y-FTg.js

IB4KEXV8u-k_bkhU78jQUSA-hI9APhLpeQI7w2Y-FTg.js

108 ms

embed.js

embed.js

38 ms

dy27.jpg

dy27.jpg

407 ms

dy28.jpg

dy28.jpg

406 ms

dy29.jpg

dy29.jpg

421 ms

dy30.jpg

dy30.jpg

425 ms

%E5%B7%A5%E4%BD%9C%E7%85%A71_%E5%89%AF%E6%9C%AC.jpg

%E5%B7%A5%E4%BD%9C%E7%85%A71_%E5%89%AF%E6%9C%AC.jpg

452 ms

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20171229110901_%E5%89%AF%E6%9C%AC.jpg

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20171229110901_%E5%89%AF%E6%9C%AC.jpg

459 ms

dy33.jpg

dy33.jpg

461 ms

dy34.jpg

dy34.jpg

465 ms

dy35.jpg

dy35.jpg

486 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

35 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

131 ms

dy49.png

dy49.png

499 ms

id

id

20 ms

Create

Create

105 ms

16-72x54.jpg

16-72x54.jpg

384 ms

16-1024x768-1-72x54.jpg

16-1024x768-1-72x54.jpg

391 ms

admin-ajax-12-72x54.jpg

admin-ajax-12-72x54.jpg

392 ms

admin-ajax-6-72x54.jpg

admin-ajax-6-72x54.jpg

396 ms

3-6-72x54.jpg

3-6-72x54.jpg

418 ms

2-5-72x54.jpg

2-5-72x54.jpg

431 ms

1-72x54.jpg

1-72x54.jpg

360 ms

13-1-72x54.jpg

13-1-72x54.jpg

367 ms

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_202103192145573-72x53.jpg

%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_202103192145573-72x53.jpg

369 ms

583de45a670dfc739d6f7884eb8f0ee-72x54.jpg

583de45a670dfc739d6f7884eb8f0ee-72x54.jpg

372 ms

15-72x54.jpg

15-72x54.jpg

396 ms

b5f7c79411ef3db1907e429cf51c220-72x53.png

b5f7c79411ef3db1907e429cf51c220-72x53.png

412 ms

admin-ajax-72x46.jpg

admin-ajax-72x46.jpg

427 ms

2-7-72x54.jpg

2-7-72x54.jpg

433 ms

admin-ajax-1-72x54.jpg

admin-ajax-1-72x54.jpg

411 ms

GenerateIT

GenerateIT

44 ms

f6026a2458fe41b90c9f5253ba166af-72x53.png

f6026a2458fe41b90c9f5253ba166af-72x53.png

412 ms

df26574e6587597d7c8e95951f74690-72x48.png

df26574e6587597d7c8e95951f74690-72x48.png

424 ms

Q6-1024x768-1-72x54.jpg

Q6-1024x768-1-72x54.jpg

432 ms

admin-ajax-72x50.jpg

admin-ajax-72x50.jpg

434 ms

2-4-72x54.jpg

2-4-72x54.jpg

440 ms

IMG_6107-72x54.jpg

IMG_6107-72x54.jpg

442 ms

555-72x54.jpg

555-72x54.jpg

433 ms

IMG_2374-72x54.jpg

IMG_2374-72x54.jpg

442 ms

1-72x48.jpg

1-72x48.jpg

441 ms

1-2-72x54.jpg

1-2-72x54.jpg

424 ms

4-6-72x54.jpg

4-6-72x54.jpg

422 ms

10-300x225-1-72x54.jpg

10-300x225-1-72x54.jpg

423 ms

DSCF1412-72x54.jpg

DSCF1412-72x54.jpg

429 ms

admin-ajax-2-72x54.jpg

admin-ajax-2-72x54.jpg

446 ms

2-1-72x54.jpg

2-1-72x54.jpg

440 ms

2-72x53.jpg

2-72x53.jpg

422 ms

3-72x58.jpg

3-72x58.jpg

421 ms

4-72x54.jpg

4-72x54.jpg

423 ms

4-1-1024x768-1-72x54.jpg

4-1-1024x768-1-72x54.jpg

422 ms

222-1-72x54.jpg

222-1-72x54.jpg

441 ms

00-300x276-1-72x66.jpg

00-300x276-1-72x66.jpg

426 ms

Q7-1024x768-1-72x54.jpg

Q7-1024x768-1-72x54.jpg

421 ms

B4-72x54.jpg

B4-72x54.jpg

419 ms

DSC04383-1024x768-300x225.jpg

DSC04383-1024x768-300x225.jpg

424 ms

dy36.png

dy36.png

421 ms

dy37.png

dy37.png

438 ms

95-1-300x225.jpg

95-1-300x225.jpg

433 ms

1.5m-belt-press-macau-2-300x225.jpg

1.5m-belt-press-macau-2-300x225.jpg

421 ms

dy43.png

dy43.png

420 ms

dy44.png

dy44.png

423 ms

dy45.png

dy45.png

422 ms

dy1.png

dy1.png

438 ms

DSC04383-1024x768.jpg

DSC04383-1024x768.jpg

506 ms

95-1.jpg

95-1.jpg

428 ms

1.5m-belt-press-macau-2.jpg

1.5m-belt-press-macau-2.jpg

427 ms

dy48.jpg

dy48.jpg

423 ms

dy16.jpg

dy16.jpg

421 ms

dy41.jpg

dy41.jpg

435 ms

dy42.jpg

dy42.jpg

445 ms

dy46.jpg

dy46.jpg

431 ms

dy14.png

dy14.png

425 ms

dy15.png

dy15.png

423 ms

dy31.png

dy31.png

463 ms

dy32.png

dy32.png

461 ms

Accessibility Review

doyenchina.com accessibility score

78

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

doyenchina.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

High

Page has valid source maps

SEO Factors

doyenchina.com SEO score

86

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

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 Doyenchina.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 Doyenchina.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

doyenchina.com

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