Tools & Wizards About Us
cn1501808951.en.alibaba.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

cn1501808951.en.alibaba.com

Page Load Speed

5.5 sec in total

First Response

1.3 sec

Resources Loaded

3.9 sec

Page Rendered

349 ms

cn1501808951.en.alibaba.com screenshot

About Website

Click here to check amazing Cn 1501808951 En Alibaba content for China. Otherwise, check out these important facts you probably never knew about cn1501808951.en.alibaba.com

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Key Findings

We analyzed Cn1501808951.en.alibaba.com page load time and found that the first response time was 1.3 sec and then it took 4.2 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

cn1501808951.en.alibaba.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value20.7 s

0/100

10%

TBT (Total Blocking Time)

Value7,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value27.9 s

0/100

10%

Network Requests Diagram

cn1501808951.en.alibaba.com

1280 ms

cn1501808951.en.alibaba.com

470 ms

91 ms

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

89 ms

index.js

124 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Cn1501808951.en.alibaba.com, 62% (28 requests) were made to S.alicdn.com and 9% (4 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (56%)

Content Size

2.3 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cn1501808951.en.alibaba.com main page is 2.3 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 734.8 kB

  • Original 858.4 kB
  • After minification 857.7 kB
  • After compression 123.6 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 734.8 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 37 B

  • Original 12.1 kB
  • After minification 12.0 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. Cn 1501808951 En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 542.9 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.2 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 542.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (74%)

Requests Now

43

After Optimization

11

  • AJAX
  • Images
  • JavaScript

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn 1501808951 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

cn1501808951.en.alibaba.com

cn1501808951.en.alibaba.com

1280 ms

cn1501808951.en.alibaba.com

cn1501808951.en.alibaba.com

470 ms

91 ms

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

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

89 ms

index.js

index.js

124 ms

index.js

index.js

100 ms

renderHeader.js

renderHeader.js

124 ms

awsc.js

awsc.js

31 ms

36 ms

et_n.js

et_n.js

34 ms

um.js

um.js

106 ms

7.gif

7.gif

117 ms

wu.json

wu.json

21 ms

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

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

38 ms

Hc8727f594a5b41b689c4a082384edf632.png

Hc8727f594a5b41b689c4a082384edf632.png

367 ms

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

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

96 ms

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

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

84 ms

H8b82b60e224849c884d476d94bc3f19dS.jpg

H8b82b60e224849c884d476d94bc3f19dS.jpg

186 ms

Hb3286cc78caf446884ab01d565489ff7K.jpg

Hb3286cc78caf446884ab01d565489ff7K.jpg

150 ms

H0143e48e080449ff8ef8beb387ba5b11k.jpg

H0143e48e080449ff8ef8beb387ba5b11k.jpg

730 ms

Energy-Saving-Wholesale-Multimode-Switch-USB-Rechargeable.jpg

Energy-Saving-Wholesale-Multimode-Switch-USB-Rechargeable.jpg

293 ms

LEDTIMES-High-Quality-ABS-Indoor-Corridor-Lithium.jpg

LEDTIMES-High-Quality-ABS-Indoor-Corridor-Lithium.jpg

1412 ms

Energy-Saving-Smd-Support-USB-Charging-White.jpg

Energy-Saving-Smd-Support-USB-Charging-White.jpg

196 ms

LEDTIMES-Lighting-Best-Selling-ABS-COB-Indoor.jpg

LEDTIMES-Lighting-Best-Selling-ABS-COB-Indoor.jpg

475 ms

Professional-Design-48PCS-Adjustable-Dual-Heads-Indoor.jpg

Professional-Design-48PCS-Adjustable-Dual-Heads-Indoor.jpg

293 ms

LEDTIMES-Lighting-Easy-Installation-Dimmable-ABS-COB.jpg

LEDTIMES-Lighting-Easy-Installation-Dimmable-ABS-COB.jpg

711 ms

LEDTIMES-Lighting-Energy-Saving-Portable-Home-Outdoor.jpg

LEDTIMES-Lighting-Energy-Saving-Portable-Home-Outdoor.jpg

1059 ms

High-Quality-ABS-Ce-RoHS-Battery-Charge.jpg

High-Quality-ABS-Ce-RoHS-Battery-Charge.jpg

745 ms

Low-Price-2-Years-Warranty-CE-RoHS.jpg

Low-Price-2-Years-Warranty-CE-RoHS.jpg

760 ms

LEDTIMES-Lighting-Low-Price-Smd-ABS-0.jpg

LEDTIMES-Lighting-Low-Price-Smd-ABS-0.jpg

1076 ms

Good-Quality-3-7V-ABS-Indoor-Corridor.jpg

Good-Quality-3-7V-ABS-Indoor-Corridor.jpg

1313 ms

LEDTIMES-Easy-Installation-White-ABS-5w-IP23.jpg

LEDTIMES-Easy-Installation-White-ABS-5w-IP23.jpg

1064 ms

Factory-Direct-Sale-4w-Pocket-Mini-Rechargeable.jpg

Factory-Direct-Sale-4w-Pocket-Mini-Rechargeable.jpg

911 ms

Factory-Direct-Sale-Safety-Design-Lead-acid.jpg

Factory-Direct-Sale-Safety-Design-Lead-acid.jpg

994 ms

LEDTIMES-High-Quality-Lithium-Battery-Indoor-ABS.jpg

LEDTIMES-High-Quality-Lithium-Battery-Indoor-ABS.jpg

1343 ms

15w-84-Leds-Solar-Charge-Lithium-Battery.jpg

15w-84-Leds-Solar-Charge-Lithium-Battery.jpg

1354 ms

Factory-Cheap-Price-ABS-3w-Ce-RoHS.jpg

Factory-Cheap-Price-ABS-3w-Ce-RoHS.jpg

1137 ms

Hef5e3ee5d33645af8cb5ae12cf97da3ef.jpg

Hef5e3ee5d33645af8cb5ae12cf97da3ef.jpg

2107 ms

H59d3833bd672464f858722430b619128T.jpg

H59d3833bd672464f858722430b619128T.jpg

449 ms

Ha6b198dc577047899f1227478ed61c97q.jpg

Ha6b198dc577047899f1227478ed61c97q.jpg

1071 ms

H295423e78a3f4941957e6603680d938cQ.jpg

H295423e78a3f4941957e6603680d938cQ.jpg

808 ms

um.json

um.json

57 ms

getUmid.do

getUmid.do

27 ms

eg.js

eg.js

7 ms

index.js

index.js

8 ms

Accessibility Review

cn1501808951.en.alibaba.com accessibility score

64

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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

cn1501808951.en.alibaba.com 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

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

cn1501808951.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 Cn1501808951.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 Cn1501808951.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

cn1501808951.en.alibaba.com

Open Graph data is detected on the main page of Cn 1501808951 En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: