Tools & Wizards About Us
wdm88led.en.alibaba.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

wdm88led.en.alibaba.com

Shenzhen Wide Way Optoelectronics Co., Ltd. - Traffic Light, Traffic Light Module

Page Load Speed

4.6 sec in total

First Response

150 ms

Resources Loaded

3.5 sec

Page Rendered

948 ms

wdm88led.en.alibaba.com screenshot

About Website

Click here to check amazing Wdm 88 Led En Alibaba content for China. Otherwise, check out these important facts you probably never knew about wdm88led.en.alibaba.com

Shenzhen Wide Way Optoelectronics Co., Ltd., Experts in Manufacturing and Exporting Traffic Light, Traffic Light Module and 0 more Products.

Visit wdm88led.en.alibaba.com

Key Findings

We analyzed Wdm88led.en.alibaba.com page load time and found that the first response time was 150 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

wdm88led.en.alibaba.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value4,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value29.6 s

0/100

10%

Network Requests Diagram

wdm88led.en.alibaba.com

150 ms

wdm88led.en.alibaba.com

888 ms

93 ms

73 ms

header.css

85 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Wdm88led.en.alibaba.com, 41% (37 requests) were made to S.alicdn.com and 10% (9 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (54%)

Content Size

4.1 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wdm88led.en.alibaba.com main page is 4.1 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. 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. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 898.4 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 145.2 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 898.4 kB or 86% of the original size.

Image Optimization

-24%

Potential reduce by 143.2 kB

  • Original 600.9 kB
  • After minification 457.7 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. Obviously, Wdm 88 Led En Alibaba needs image optimization as it can save up to 143.2 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 931.1 kB

  • Original 2.2 MB
  • After minification 2.2 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 931.1 kB or 43% of the original size.

CSS Optimization

-85%

Potential reduce by 212.3 kB

  • Original 249.8 kB
  • After minification 198.9 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. Wdm88led.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 212.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (52%)

Requests Now

79

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wdm 88 Led 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

wdm88led.en.alibaba.com

wdm88led.en.alibaba.com

150 ms

wdm88led.en.alibaba.com

wdm88led.en.alibaba.com

888 ms

93 ms

73 ms

header.css

header.css

85 ms

header.js

header.js

88 ms

77 ms

web-index.css

web-index.css

83 ms

web-index.css

web-index.css

90 ms

web-index.css

web-index.css

216 ms

web-index.css

web-index.css

89 ms

web-index.css

web-index.css

213 ms

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O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

213 ms

285 ms

172 ms

index.js

index.js

173 ms

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O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

244 ms

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244 ms

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TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

83 ms

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171 ms

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H61aaca00c4fe40568771bdf7c9e80c710.jpg_q80.jpg

273 ms

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TB1iVZyFYH1gK0jSZFwXXc7aXXa-204-204.png

160 ms

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TB1BsRiFRr0gK0jSZFnXXbRRXXa-204-204.png

170 ms

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TB1KnAxF4v1gK0jSZFFXXb0sXXa-204-204.png

635 ms

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TB10QwuF.T1gK0jSZFrXXcNCXXa-204-204.png

263 ms

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O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

335 ms

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TB1ZzoUyxz1gK0jSZSgXXavwpXa-282-75.png

364 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

351 ms

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TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

334 ms

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H77235c7a9e2940d9bfb76ed69c886b0am.jpg

178 ms

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Hf16f4a821a4e4a91ac21c63fd6fac018y.jpg

240 ms

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H0b85bc8ac0cd4b4b817e5b6433f40cf5n.jpg

332 ms

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H3a8b1f8b8ad14433b042489dc0b64370v.jpg

333 ms

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H777c0e1f404d4d3ab51ffa8b9c3e804bB.jpg

268 ms

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H63d3d50a82bf401c9a460778c204625et.jpg

362 ms

H24bb267848ab40d2b29c25933e055153P.jpg

H24bb267848ab40d2b29c25933e055153P.jpg

607 ms

roboto-regular.woff

roboto-regular.woff

239 ms

roboto-medium.woff

roboto-medium.woff

239 ms

roboto-light.woff

roboto-light.woff

331 ms

roboto-thin.woff

roboto-thin.woff

361 ms

roboto-bold.woff

roboto-bold.woff

347 ms

personTipsInfo.do

personTipsInfo.do

333 ms

awsc.js

awsc.js

315 ms

164 ms

H075f26e7232440eeafffd4c28ddacf32w.jpg

H075f26e7232440eeafffd4c28ddacf32w.jpg

563 ms

198 ms

H1dd8bfe98a734d6fbdd6e772967eda421.jpg

H1dd8bfe98a734d6fbdd6e772967eda421.jpg

353 ms

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Hb1b8710b8cc6425488576cf258f5d992i.jpg

354 ms

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Hc4c8a5e43420457a9a095f7ccfb23d0a6.jpg

730 ms

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H6969ea9b9c31408fb0eccc7296b6c2f8H.jpg

2532 ms

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H0f589a5bf86f46938e3ff918d24a7e2cs.jpg

499 ms

TB1v9yQIG61gK0jSZFlXXXDKFXa-177-27.svg

TB1v9yQIG61gK0jSZFlXXXDKFXa-177-27.svg

305 ms

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

352 ms

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O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

499 ms

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299 ms

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298 ms

icon-font.woff

icon-font.woff

223 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

222 ms

220 ms

eg.js

eg.js

159 ms

sc.globalxman.appscene

sc.globalxman.appscene

62 ms

footer.css

footer.css

49 ms

et_n.js

et_n.js

56 ms

um.js

um.js

58 ms

light0.5x.png

light0.5x.png

181 ms

7.gif

7.gif

134 ms

index.js

index.js

134 ms

index.js

index.js

134 ms

pages_version.html

pages_version.html

165 ms

defer-common.js

defer-common.js

161 ms

i.alicdn.com

i.alicdn.com

337 ms

index.js

index.js

134 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

57 ms

wu.json

wu.json

189 ms

baxiaCommon.js

baxiaCommon.js

178 ms

rp

rp

957 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

190 ms

store-proxy.html

store-proxy.html

149 ms

countryCurrencyDataService

countryCurrencyDataService

244 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

123 ms

personRoleInfo.do

personRoleInfo.do

111 ms

notification.do

notification.do

221 ms

index.web.css

index.web.css

42 ms

index.web.js

index.web.js

66 ms

index.js

index.js

105 ms

availableSurveyQuery.json

availableSurveyQuery.json

89 ms

um.json

um.json

84 ms

iconfont.woff

iconfont.woff

38 ms

iconfont.woff

iconfont.woff

91 ms

getUmid.do

getUmid.do

24 ms

Accessibility Review

wdm88led.en.alibaba.com accessibility score

67

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

wdm88led.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

wdm88led.en.alibaba.com SEO score

71

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

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 Wdm88led.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 Wdm88led.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

wdm88led.en.alibaba.com

Open Graph data is detected on the main page of Wdm 88 Led En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: