Tools & Wizards About Us
let-win.en.alibaba.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

let-win.en.alibaba.com

Shenzhen Letwin Technology Co., Ltd. - switch, router

Page Load Speed

5.5 sec in total

First Response

219 ms

Resources Loaded

4.9 sec

Page Rendered

364 ms

let-win.en.alibaba.com screenshot

About Website

Visit let-win.en.alibaba.com now to see the best up-to-date Letwin En Alibaba content for China and also check out these interesting facts you probably never knew about let-win.en.alibaba.com

Shenzhen Letwin Technology Co., Ltd., Experts in Manufacturing and Exporting switch, router and 0 more Products.

Visit let-win.en.alibaba.com

Key Findings

We analyzed Let-win.en.alibaba.com page load time and found that the first response time was 219 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

let-win.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value14,350 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.296

40/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

Network Requests Diagram

let-win.en.alibaba.com

219 ms

let-win.en.alibaba.com

548 ms

291 ms

234 ms

header.css

317 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Let-win.en.alibaba.com, 60% (53 requests) were made to S.alicdn.com and 8% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.4 MB (57%)

Content Size

6.1 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Let-win.en.alibaba.com main page is 6.1 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. 55% of websites need less resources to load. Javascripts take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 396.5 kB

  • Original 491.9 kB
  • After minification 488.0 kB
  • After compression 95.4 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 396.5 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 15.3 kB

  • Original 470.9 kB
  • After minification 455.6 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. Letwin En Alibaba images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 2.8 MB

  • Original 4.8 MB
  • After minification 4.8 MB
  • After compression 2.0 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 2.8 MB or 59% of the original size.

CSS Optimization

-67%

Potential reduce by 223.0 kB

  • Original 332.2 kB
  • After minification 281.4 kB
  • After compression 109.2 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. Let-win.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 223.0 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (67%)

Requests Now

78

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Letwin 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

let-win.en.alibaba.com

let-win.en.alibaba.com

219 ms

let-win.en.alibaba.com

let-win.en.alibaba.com

548 ms

291 ms

234 ms

header.css

header.css

317 ms

header.js

header.js

200 ms

39 ms

web-index.css

web-index.css

317 ms

web-index.css

web-index.css

289 ms

web-index.css

web-index.css

348 ms

web-index.css

web-index.css

454 ms

web-index.css

web-index.css

345 ms

347 ms

326 ms

index.js

index.js

431 ms

435 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

443 ms

He64be50e741c41fa87f64b4f44e736ebE.jpg

He64be50e741c41fa87f64b4f44e736ebE.jpg

1064 ms

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg_q80.jpg

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg_q80.jpg

128 ms

H225301716fb24455b92bd9906d88b230k.jpg_250x250.jpg

H225301716fb24455b92bd9906d88b230k.jpg_250x250.jpg

478 ms

H171df047d82a4fd9979fd74fe1cfb94bE.jpg_250x250.jpg

H171df047d82a4fd9979fd74fe1cfb94bE.jpg_250x250.jpg

624 ms

H33a500d644244f7aa3bd9bc69caa2c0ac.jpg_250x250.jpg

H33a500d644244f7aa3bd9bc69caa2c0ac.jpg_250x250.jpg

634 ms

Hfc32f1b916f444fb8e3096dcddbf6856R.png_250x250.png

Hfc32f1b916f444fb8e3096dcddbf6856R.png_250x250.png

1059 ms

H6c54540bb9a440df8f2b477f8bf6b034j.jpg_250x250.jpg

H6c54540bb9a440df8f2b477f8bf6b034j.jpg_250x250.jpg

902 ms

H97109776529e4bbba7508bb7fbccd145b.jpg_250x250.jpg

H97109776529e4bbba7508bb7fbccd145b.jpg_250x250.jpg

1156 ms

Hb972b343e1394658a6490d98a788e2e1v.png_250x250.png

Hb972b343e1394658a6490d98a788e2e1v.png_250x250.png

1103 ms

Hdc82c7a4afde434386d3ffd7136d3482D.jpg_250x250.jpg

Hdc82c7a4afde434386d3ffd7136d3482D.jpg_250x250.jpg

902 ms

H57131ca0d3b640d099e9a4beae3ef63dp.png_350x350.png

H57131ca0d3b640d099e9a4beae3ef63dp.png_350x350.png

1418 ms

H27913ebb0e6246f182d61a32bea876d0I.png_350x350.png

H27913ebb0e6246f182d61a32bea876d0I.png_350x350.png

1438 ms

H4bf586f3ace74ca6aeb4957f7854349el.png_350x350.png

H4bf586f3ace74ca6aeb4957f7854349el.png_350x350.png

1834 ms

H49e61bb75b314b9ea87780e5430971f1U.png_350x350.png

H49e61bb75b314b9ea87780e5430971f1U.png_350x350.png

1594 ms

Hf4ef24d8d53547c3928656d5ab5eb648L.png_350x350.png

Hf4ef24d8d53547c3928656d5ab5eb648L.png_350x350.png

1591 ms

H5137993afd4146af92777fd4def30ec1a.png_350x350.png

H5137993afd4146af92777fd4def30ec1a.png_350x350.png

1832 ms

H327a4e283c1c4403b21daa876e10fe504.png_350x350.png

H327a4e283c1c4403b21daa876e10fe504.png_350x350.png

2116 ms

H287cc515352b4dcab75071bc4f5f1b15Q.png_350x350.png

H287cc515352b4dcab75071bc4f5f1b15Q.png_350x350.png

2115 ms

Hcfd04c864d8148c49c4beac91015021bT.png_480x480.png

Hcfd04c864d8148c49c4beac91015021bT.png_480x480.png

2175 ms

H92c78c7a72a14feeb25e88fe73758aa6J.jpg_350x350.jpg

H92c78c7a72a14feeb25e88fe73758aa6J.jpg_350x350.jpg

1922 ms

H3f4725dc07c7409a9c49d2168480378el.jpg_480x480.jpg

H3f4725dc07c7409a9c49d2168480378el.jpg_480x480.jpg

2114 ms

Ha70ec11cc32a44e781bfef20d8ef52b3I.jpg_350x350.jpg

Ha70ec11cc32a44e781bfef20d8ef52b3I.jpg_350x350.jpg

2580 ms

He54fc95e78204bb8a117b0540426eafeF.jpg_350x350.jpg

He54fc95e78204bb8a117b0540426eafeF.jpg_350x350.jpg

2463 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

449 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

2152 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

2262 ms

roboto-regular.woff

roboto-regular.woff

2327 ms

roboto-medium.woff

roboto-medium.woff

2169 ms

roboto-light.woff

roboto-light.woff

3545 ms

roboto-thin.woff

roboto-thin.woff

2305 ms

roboto-bold.woff

roboto-bold.woff

2564 ms

personTipsInfo.do

personTipsInfo.do

22 ms

awsc.js

awsc.js

201 ms

12 ms

eg.js

eg.js

338 ms

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg_q80.jpg

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg_q80.jpg

2204 ms

Hbaf7be34b89d4e3caee4bb6c2841b483H.jpg

Hbaf7be34b89d4e3caee4bb6c2841b483H.jpg

2797 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

302 ms

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TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

295 ms

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

304 ms

icon-font.woff

icon-font.woff

2374 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

207 ms

14 ms

sc.globalxman.appscene

sc.globalxman.appscene

183 ms

footer.css

footer.css

2564 ms

et_n.js

et_n.js

20 ms

um.js

um.js

102 ms

wu.json

wu.json

403 ms

7.gif

7.gif

5 ms

index.js

index.js

13 ms

index.js

index.js

20 ms

baxiaCommon.js

baxiaCommon.js

13 ms

rp

rp

1258 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

329 ms

light0.5x.png

light0.5x.png

89 ms

pages_version.html

pages_version.html

1127 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

28 ms

defer-common.js

defer-common.js

58 ms

i.alicdn.com

i.alicdn.com

56 ms

index.js

index.js

202 ms

index.js

index.js

149 ms

store-proxy.html

store-proxy.html

146 ms

countryCurrencyDataService

countryCurrencyDataService

295 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

85 ms

personRoleInfo.do

personRoleInfo.do

74 ms

notification.do

notification.do

222 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

18 ms

iconfont.woff

iconfont.woff

63 ms

iconfont.woff

iconfont.woff

176 ms

index.js

index.js

240 ms

index.css

index.css

206 ms

Accessibility Review

let-win.en.alibaba.com accessibility score

75

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

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

High

Image elements do not have [alt] attributes

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.

Best Practices

let-win.en.alibaba.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

let-win.en.alibaba.com SEO score

86

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

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 Let-win.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 Let-win.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

let-win.en.alibaba.com

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