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

Report Summary

  • 20

    Performance

    Renders faster than
    37% 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

tianguangcai.en.alibaba.com

Shenzhen Avatar Optoelectronic Technology Co., Ltd. - SMD LED Chips, 2835 SMD LED

Page Load Speed

5.9 sec in total

First Response

1.5 sec

Resources Loaded

3.8 sec

Page Rendered

627 ms

tianguangcai.en.alibaba.com screenshot

About Website

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

Shenzhen Avatar Optoelectronic Technology Co., Ltd., Experts in Manufacturing and Exporting SMD LED Chips, 2835 SMD LED and 0 more Products.

Visit tianguangcai.en.alibaba.com

Key Findings

We analyzed Tianguangcai.en.alibaba.com page load time and found that the first response time was 1.5 sec 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

tianguangcai.en.alibaba.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value6,060 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value30.7 s

0/100

10%

Network Requests Diagram

tianguangcai.en.alibaba.com

1514 ms

tianguangcai.en.alibaba.com

252 ms

51 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

40 ms

index.js

67 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Tianguangcai.en.alibaba.com, 27% (17 requests) were made to Sc02.alicdn.com and 24% (15 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Img.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 764.4 kB (35%)

Content Size

2.2 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tianguangcai.en.alibaba.com main page is 2.2 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. 35% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 349.5 kB

  • Original 434.4 kB
  • After minification 433.5 kB
  • After compression 84.9 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 349.5 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 22.2 kB

  • Original 441.5 kB
  • After minification 419.4 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. Tianguangcai En Alibaba images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 392.6 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 929.9 kB

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 392.6 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (41%)

Requests Now

59

After Optimization

35

  • AJAX
  • Images
  • JavaScript

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tianguangcai 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tianguangcai.en.alibaba.com

tianguangcai.en.alibaba.com

1514 ms

tianguangcai.en.alibaba.com

tianguangcai.en.alibaba.com

252 ms

51 ms

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O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

40 ms

index.js

index.js

67 ms

index.js

index.js

60 ms

renderHeader.js

renderHeader.js

59 ms

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548 ms

awsc.js

awsc.js

48 ms

15 ms

7.gif

7.gif

74 ms

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497 ms

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635 ms

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670 ms

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362 ms

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707 ms

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784 ms

undefined

undefined

67 ms

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33 ms

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33 ms

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36 ms

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36 ms

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68 ms

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68 ms

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71 ms

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1013 ms

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1403 ms

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947 ms

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972 ms

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968 ms

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1004 ms

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1027 ms

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1077 ms

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1062 ms

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2007 ms

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1114 ms

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1450 ms

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1412 ms

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1410 ms

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756 ms

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465 ms

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703 ms

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411 ms

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430 ms

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908 ms

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969 ms

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818 ms

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1105 ms

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1162 ms

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1100 ms

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1439 ms

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1376 ms

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1367 ms

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1837 ms

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1672 ms

et_n.js

et_n.js

76 ms

um.js

um.js

225 ms

wu.json

wu.json

388 ms

um.json

um.json

63 ms

getUmid.do

getUmid.do

38 ms

eg.js

eg.js

3 ms

index.js

index.js

4 ms

Accessibility Review

tianguangcai.en.alibaba.com accessibility score

41

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

High

Links do not have a discernible name

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

tianguangcai.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

tianguangcai.en.alibaba.com SEO score

79

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 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 Tianguangcai.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 Tianguangcai.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

tianguangcai.en.alibaba.com

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