Tools & Wizards About Us
dyson.cn screenshot

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

dyson.cn

dyson戴森中国官方网站-戴森官方商城

Page Load Speed

51.9 sec in total

First Response

409 ms

Resources Loaded

50.6 sec

Page Rendered

874 ms

dyson.cn screenshot

About Website

Welcome to dyson.cn homepage info - get ready to check Dyson best content for China right away, or after learning these important things about dyson.cn

戴森dyson已成为国际性的家电设计制造公司,拥有车载吸尘器,家用除螨吸尘器,智能扫地机器人,家用吹风机,卷发棒,气垫梳,电热暖风机,家用加湿器,无叶冷暖风扇等产品,进入戴森dyson官网,探索更多!

Visit dyson.cn

Key Findings

We analyzed Dyson.cn page load time and found that the first response time was 409 ms and then it took 51.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dyson.cn performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value57.8 s

0/100

25%

SI (Speed Index)

Value31.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,570 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.642

9/100

15%

TTI (Time to Interactive)

Value31.9 s

0/100

10%

Network Requests Diagram

dyson.cn

409 ms

www.dyson.cn

1209 ms

www.dyson.cn

1705 ms

9078f568bdb05351246ce80050f10235.min.css

1363 ms

styles-l.min.css

926 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 27% of them (14 requests) were addressed to the original Dyson.cn, 62% (32 requests) were made to Www-img.dyson.cn and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Www-img.dyson.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (19%)

Content Size

5.7 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dyson.cn main page is 5.7 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 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 367.5 kB

  • Original 410.3 kB
  • After minification 273.8 kB
  • After compression 42.8 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. This page needs HTML code to be minified as it can gain 136.5 kB, which is 33% 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 367.5 kB or 90% of the original size.

Image Optimization

-10%

Potential reduce by 502.7 kB

  • Original 5.0 MB
  • After minification 4.5 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. Dyson images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 17 B

  • Original 655 B
  • After minification 655 B
  • After compression 638 B

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

-88%

Potential reduce by 243.7 kB

  • Original 277.3 kB
  • After minification 33.7 kB
  • After compression 33.6 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. Dyson.cn needs all CSS files to be minified and compressed as it can save up to 243.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (12%)

Requests Now

42

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dyson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dyson.cn

dyson.cn

409 ms

www.dyson.cn

www.dyson.cn

1209 ms

www.dyson.cn

www.dyson.cn

1705 ms

9078f568bdb05351246ce80050f10235.min.css

9078f568bdb05351246ce80050f10235.min.css

1363 ms

styles-l.min.css

styles-l.min.css

926 ms

8dc8adaad45e82d1846337174e82782f.min.js

8dc8adaad45e82d1846337174e82782f.min.js

7121 ms

sensorsdata.min.js

sensorsdata.min.js

1152 ms

js

js

57 ms

email-decode.min.js

email-decode.min.js

723 ms

di.js

di.js

42 ms

gtm.js

gtm.js

43 ms

605G-jisoo-fen-v2-PC.png

605G-jisoo-fen-v2-PC.png

7696 ms

loader-1.gif

loader-1.gif

295 ms

36.png

36.png

1441 ms

jisoo-wu-zhifa-kv-pc.png

jisoo-wu-zhifa-kv-pc.png

4343 ms

zhifa-logo-pc.png

zhifa-logo-pc.png

1465 ms

jisoo-wu-meifa-kv-pc.png

jisoo-wu-meifa-kv-pc.png

4446 ms

meifa-logo-pc.png

meifa-logo-pc.png

1555 ms

693-KV-PC.png

693-KV-PC.png

19491 ms

693-LOGO-PC.png

693-LOGO-PC.png

1803 ms

3840-1600.jpg

3840-1600.jpg

11683 ms

HP10-36.png

HP10-36.png

2205 ms

693-hp-banner-pcv2.png

693-hp-banner-pcv2.png

4317 ms

1244_1330.jpg

1244_1330.jpg

4941 ms

553-HC_banner-PC.jpg

553-HC_banner-PC.jpg

5823 ms

1236-1322.jpg

1236-1322.jpg

7477 ms

2.jpg

2.jpg

5744 ms

1244x1330.jpg

1244x1330.jpg

6256 ms

01.jpg

01.jpg

6095 ms

02.jpg

02.jpg

6425 ms

800-444.jpg

800-444.jpg

7020 ms

1920-1078_1_.jpg

1920-1078_1_.jpg

8321 ms

white_arrow.png

white_arrow.png

7344 ms

1920-1078_2_.jpg

1920-1078_2_.jpg

9866 ms

605G-jisoo-zi-v2-PC.png

605G-jisoo-zi-v2-PC.png

13757 ms

hx-pc.png

hx-pc.png

10617 ms

605G-teaser-KV-pc.png

605G-teaser-KV-pc.png

14833 ms

gongshang.png

gongshang.png

10178 ms

file.png

file.png

10532 ms

qiyu_icon_v5.png

qiyu_icon_v5.png

10847 ms

DysonCHS-Book.woff

DysonCHS-Book.woff

20282 ms

DysonCHS-Light.woff

DysonCHS-Light.woff

20282 ms

font_1789896_dglc23okseu.woff

font_1789896_dglc23okseu.woff

236 ms

DysonCHS-Medium.woff

DysonCHS-Medium.woff

20244 ms

sa.gif

sa.gif

1512 ms

sa.gif

sa.gif

1798 ms

modal-close.svg

modal-close.svg

247 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

514 ms

Blank-Theme-Icons.woff

Blank-Theme-Icons.woff

248 ms

modal-close.svg

modal-close.svg

257 ms

print.min.css

print.min.css

246 ms

DysonCHS-Book.ttf

DysonCHS-Book.ttf

19961 ms

Accessibility Review

dyson.cn accessibility score

82

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

dyson.cn best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

dyson.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

    ZH

  • Encoding

    UTF-8

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

dyson.cn

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