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

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

topleds.en.alibaba.com

Shenzhen Topled Optotech Co., Ltd.

Page Load Speed

3.2 sec in total

First Response

83 ms

Resources Loaded

2.1 sec

Page Rendered

1.1 sec

topleds.en.alibaba.com screenshot

About Website

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

Shenzhen Topled Optotech Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit topleds.en.alibaba.com

Key Findings

We analyzed Topleds.en.alibaba.com page load time and found that the first response time was 83 ms and then it took 3.2 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

topleds.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value5,150 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.134

1/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

Network Requests Diagram

topleds.en.alibaba.com

83 ms

topleds.en.alibaba.com

687 ms

67 ms

61 ms

header.css

115 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Topleds.en.alibaba.com, 34% (37 requests) were made to Sc02.alicdn.com and 30% (33 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 MB (60%)

Content Size

6.8 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Topleds.en.alibaba.com main page is 6.8 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. Javascripts take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 400.1 kB

  • Original 484.7 kB
  • After minification 480.8 kB
  • After compression 84.7 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 400.1 kB or 83% of the original size.

Image Optimization

-24%

Potential reduce by 137.1 kB

  • Original 575.4 kB
  • After minification 438.3 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, Topled S En Alibaba needs image optimization as it can save up to 137.1 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

-61%

Potential reduce by 3.3 MB

  • Original 5.4 MB
  • After minification 5.4 MB
  • After compression 2.1 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 3.3 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 283.7 kB

  • Original 395.8 kB
  • After minification 344.9 kB
  • After compression 112.1 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. Topleds.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.7 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (47%)

Requests Now

98

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Topled S 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 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

topleds.en.alibaba.com

topleds.en.alibaba.com

83 ms

topleds.en.alibaba.com

topleds.en.alibaba.com

687 ms

67 ms

61 ms

header.css

header.css

115 ms

header.js

header.js

124 ms

60 ms

web-index.css

web-index.css

127 ms

web-index.css

web-index.css

126 ms

web-index.css

web-index.css

120 ms

web-index.css

web-index.css

121 ms

web-index.css

web-index.css

121 ms

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122 ms

237 ms

121 ms

index.js

index.js

122 ms

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220 ms

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521 ms

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215 ms

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230 ms

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225 ms

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371 ms

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222 ms

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225 ms

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221 ms

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378 ms

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365 ms

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320 ms

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278 ms

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776 ms

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517 ms

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513 ms

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509 ms

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513 ms

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515 ms

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517 ms

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776 ms

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932 ms

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798 ms

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775 ms

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801 ms

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899 ms

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1151 ms

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828 ms

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1416 ms

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848 ms

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899 ms

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1049 ms

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1080 ms

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920 ms

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979 ms

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994 ms

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1379 ms

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1067 ms

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1120 ms

roboto-regular.woff

roboto-regular.woff

113 ms

roboto-medium.woff

roboto-medium.woff

97 ms

roboto-light.woff

roboto-light.woff

112 ms

roboto-thin.woff

roboto-thin.woff

111 ms

roboto-bold.woff

roboto-bold.woff

127 ms

awsc.js

awsc.js

250 ms

71 ms

98 ms

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168 ms

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169 ms

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470 ms

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297 ms

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276 ms

personTipsInfo.do

personTipsInfo.do

154 ms

eg.js

eg.js

126 ms

sc.globalxman.appscene

sc.globalxman.appscene

21 ms

icon-font.woff

icon-font.woff

107 ms

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127 ms

42 ms

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19 ms

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99 ms

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879 ms

footer.css

footer.css

26 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

58 ms

index.js

index.js

71 ms

index.js

index.js

81 ms

et_n.js

et_n.js

105 ms

um.js

um.js

93 ms

light0.5x.png

light0.5x.png

75 ms

7.gif

7.gif

44 ms

pages_version.html

pages_version.html

75 ms

defer-common.js

defer-common.js

202 ms

i.alicdn.com

i.alicdn.com

69 ms

index.js

index.js

52 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

44 ms

baxiaCommon.js

baxiaCommon.js

31 ms

rp

rp

1157 ms

index.js

index.js

116 ms

index.web.css

index.web.css

116 ms

index.web.js

index.web.js

127 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

290 ms

index.js

index.js

312 ms

wu.json

wu.json

278 ms

availableSurveyQuery.json

availableSurveyQuery.json

212 ms

store-proxy.html

store-proxy.html

151 ms

countryCurrencyDataService

countryCurrencyDataService

156 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

119 ms

personRoleInfo.do

personRoleInfo.do

109 ms

notification.do

notification.do

137 ms

iconfont.woff

iconfont.woff

9 ms

iconfont.woff

iconfont.woff

8 ms

index.css

index.css

12 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

10 ms

Accessibility Review

topleds.en.alibaba.com accessibility score

43

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.

Best Practices

topleds.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

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

Missing source maps for large first-party JavaScript

SEO Factors

topleds.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 Topleds.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 Topleds.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

topleds.en.alibaba.com

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