Tools & Wizards About Us
dfdiamond.en.alibaba.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dfdiamond.en.alibaba.com

Quanzhou Daofeng Diamond Tools Co., Ltd. - diamond polishing pad, diamond profiling wheel

Page Load Speed

2.9 sec in total

First Response

9 ms

Resources Loaded

2.5 sec

Page Rendered

357 ms

dfdiamond.en.alibaba.com screenshot

About Website

Welcome to dfdiamond.en.alibaba.com homepage info - get ready to check Df Diamond En Alibaba best content for China right away, or after learning these important things about dfdiamond.en.alibaba.com

Quanzhou Daofeng Diamond Tools Co., Ltd., Experts in Manufacturing and Exporting diamond polishing pad, diamond profiling wheel and 0 more Products.

Visit dfdiamond.en.alibaba.com

Key Findings

We analyzed Dfdiamond.en.alibaba.com page load time and found that the first response time was 9 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dfdiamond.en.alibaba.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value8,710 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.525

14/100

15%

TTI (Time to Interactive)

Value29.4 s

0/100

10%

Network Requests Diagram

dfdiamond.en.alibaba.com

9 ms

dfdiamond.en.alibaba.com

673 ms

87 ms

80 ms

header.css

137 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Dfdiamond.en.alibaba.com, 43% (40 requests) were made to S.alicdn.com and 13% (12 requests) were made to Sc01.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (60%)

Content Size

3.9 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dfdiamond.en.alibaba.com main page is 3.9 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. 70% of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 540.4 kB

  • Original 644.2 kB
  • After minification 640.3 kB
  • After compression 103.8 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 540.4 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 8.9 kB

  • Original 165.2 kB
  • After minification 156.4 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. Df Diamond En Alibaba images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 1.5 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 1.3 MB

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 1.5 MB or 55% of the original size.

CSS Optimization

-88%

Potential reduce by 283.6 kB

  • Original 321.1 kB
  • After minification 270.3 kB
  • After compression 37.5 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. Dfdiamond.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.6 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (52%)

Requests Now

83

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Df Diamond En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dfdiamond.en.alibaba.com

dfdiamond.en.alibaba.com

9 ms

dfdiamond.en.alibaba.com

dfdiamond.en.alibaba.com

673 ms

87 ms

80 ms

header.css

header.css

137 ms

header.js

header.js

154 ms

65 ms

web-index.css

web-index.css

151 ms

web-index.css

web-index.css

154 ms

web-index.css

web-index.css

153 ms

web-index.css

web-index.css

217 ms

web-index.css

web-index.css

216 ms

463 ms

200 ms

index.js

index.js

226 ms

226 ms

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HTB1_58pafvsK1Rjy0Fiq6zwtXXaK.jpg

639 ms

HTB1QOxmacvrK1Rjy0Feq6ATmVXaf.jpg

HTB1QOxmacvrK1Rjy0Feq6ATmVXaf.jpg

349 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

553 ms

HTB1eZpnaiDxK1Rjy1zcq6yGeXXal.jpg

HTB1eZpnaiDxK1Rjy1zcq6yGeXXal.jpg

348 ms

HTB15wP5X1L2gK0jSZFmq6A7iXXaf.jpg_480x480.jpg

HTB15wP5X1L2gK0jSZFmq6A7iXXaf.jpg_480x480.jpg

686 ms

Ha9ab7f11a0404110942c448bc0bcff0fz.jpg_480x480.jpg

Ha9ab7f11a0404110942c448bc0bcff0fz.jpg_480x480.jpg

333 ms

S2fa56efb85f94f69a19830782b0c12den.jpg_480x480.jpg

S2fa56efb85f94f69a19830782b0c12den.jpg_480x480.jpg

600 ms

H9212031133ee4c01ae9a2079897a2962g.jpg_480x480.jpg

H9212031133ee4c01ae9a2079897a2962g.jpg_480x480.jpg

594 ms

HTB1K1ZuQFXXXXcbXpXX760XFXXXI.png_480x480.png

HTB1K1ZuQFXXXXcbXpXX760XFXXXI.png_480x480.png

552 ms

H029460f60cc04f31b929b2df84d94ed08.jpg_480x480.jpg

H029460f60cc04f31b929b2df84d94ed08.jpg_480x480.jpg

807 ms

H596257da25574373b3f32676c8e6b7fbg.jpg_480x480.jpg

H596257da25574373b3f32676c8e6b7fbg.jpg_480x480.jpg

628 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

627 ms

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HTB1LrFrajzuK1RjSsppq6xz0XXaU.jpg

550 ms

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HTB1_O8pafvsK1Rjy0Fiq6zwtXXaf.jpg

597 ms

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HTB1gFxpacfrK1Rjy1Xdq6yemFXa8.jpg

599 ms

HTB1Ollmac_vK1Rjy0Foq6xIxVXae.jpg

HTB1Ollmac_vK1Rjy0Foq6xIxVXae.jpg

558 ms

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HTB1eCxoajvuK1Rjy0Faq6x2aVXan.jpg

613 ms

HTB1gXNsaoLrK1Rjy0Fjq6zYXFXaD.jpg

HTB1gXNsaoLrK1Rjy0Fjq6zYXFXaD.jpg

928 ms

HTB1.C0pajDuK1RjSszdq6xGLpXaz.jpg

HTB1.C0pajDuK1RjSszdq6xGLpXaz.jpg

855 ms

HTB16YdsaorrK1RkSne1q6ArVVXaR.jpg

HTB16YdsaorrK1RkSne1q6ArVVXaR.jpg

929 ms

HTB1gY0paizxK1RjSspjq6AS.pXav.jpg

HTB1gY0paizxK1RjSspjq6AS.pXav.jpg

1097 ms

HTB13_dkao_rK1Rjy0Fcq6zEvVXah.jpg

HTB13_dkao_rK1Rjy0Fcq6zEvVXah.jpg

1188 ms

HTB1GKJqah2rK1RkSnhJq6ykdpXab.jpg

HTB1GKJqah2rK1RkSnhJq6ykdpXab.jpg

591 ms

HTB1wJdmacfrK1RjSszcq6xGGFXah.jpg

HTB1wJdmacfrK1RjSszcq6xGGFXah.jpg

616 ms

HTB1OBlmac_vK1Rjy0Foq6xIxVXax.jpg

HTB1OBlmac_vK1Rjy0Foq6xIxVXax.jpg

610 ms

HTB1tzRjaXzsK1Rjy1Xbq6xOaFXaI.jpg

HTB1tzRjaXzsK1Rjy1Xbq6xOaFXaI.jpg

593 ms

H9c23f2fc30bc4dd3819e1ac962f4eeb8m.jpg

H9c23f2fc30bc4dd3819e1ac962f4eeb8m.jpg

914 ms

awsc.js

awsc.js

321 ms

107 ms

personTipsInfo.do

personTipsInfo.do

278 ms

126 ms

HTB1MeNracnrK1RjSspkq6yuvXXao.jpg

HTB1MeNracnrK1RjSspkq6yuvXXao.jpg

1068 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

432 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

434 ms

HTB1pe4maizxK1Rjy1zkq6yHrVXaO.jpg

HTB1pe4maizxK1Rjy1zkq6yHrVXaO.jpg

1870 ms

H62bd317ba394442e9343ebbe92e22516m.png

H62bd317ba394442e9343ebbe92e22516m.png

682 ms

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H2de98f2176d24dbdbe2bd9cc01eb57c5H.jpg

662 ms

HTB18EbPQFXXXXXaXFXX760XFXXXQ.png

HTB18EbPQFXXXXXaXFXX760XFXXXQ.png

683 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

684 ms

eg.js

eg.js

218 ms

roboto-regular.woff

roboto-regular.woff

545 ms

roboto-medium.woff

roboto-medium.woff

559 ms

roboto-light.woff

roboto-light.woff

637 ms

roboto-thin.woff

roboto-thin.woff

640 ms

roboto-bold.woff

roboto-bold.woff

639 ms

icon-font.woff

icon-font.woff

589 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

284 ms

sc.globalxman.appscene

sc.globalxman.appscene

37 ms

footer.css

footer.css

455 ms

et_n.js

et_n.js

36 ms

um.js

um.js

146 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

64 ms

index.js

index.js

58 ms

index.js

index.js

59 ms

7.gif

7.gif

41 ms

wu.json

wu.json

41 ms

baxiaCommon.js

baxiaCommon.js

17 ms

rp

rp

1020 ms

um.json

um.json

84 ms

light0.5x.png

light0.5x.png

40 ms

pages_version.html

pages_version.html

94 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

19 ms

defer-common.js

defer-common.js

99 ms

i.alicdn.com

i.alicdn.com

95 ms

index.js

index.js

33 ms

getUmid.do

getUmid.do

59 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

183 ms

index.web.css

index.web.css

153 ms

index.web.js

index.web.js

162 ms

index.js

index.js

145 ms

store-proxy.html

store-proxy.html

118 ms

countryCurrencyDataService

countryCurrencyDataService

213 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

102 ms

personRoleInfo.do

personRoleInfo.do

177 ms

notification.do

notification.do

194 ms

availableSurveyQuery.json

availableSurveyQuery.json

67 ms

iconfont.woff

iconfont.woff

22 ms

iconfont.woff

iconfont.woff

10 ms

Accessibility Review

dfdiamond.en.alibaba.com accessibility score

41

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

dfdiamond.en.alibaba.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dfdiamond.en.alibaba.com SEO score

79

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

Image elements do not have [alt] attributes

High

Document doesn't have a valid hreflang

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 doesn't use 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 Dfdiamond.en.alibaba.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 Dfdiamond.en.alibaba.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

dfdiamond.en.alibaba.com

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