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koro.en.alibaba.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

Page Load Speed

3.9 sec in total

First Response

441 ms

Resources Loaded

3.2 sec

Page Rendered

332 ms

koro.en.alibaba.com screenshot

About Website

Welcome to koro.en.alibaba.com homepage info - get ready to check Koro En Alibaba best content for China right away, or after learning these important things about koro.en.alibaba.com

Visit koro.en.alibaba.com

Key Findings

We analyzed Koro.en.alibaba.com page load time and found that the first response time was 441 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

koro.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value6,290 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.151

75/100

15%

TTI (Time to Interactive)

Value25.0 s

0/100

10%

Network Requests Diagram

koro.en.alibaba.com

441 ms

koro.en.alibaba.com

778 ms

242 ms

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

35 ms

index.js

49 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 Koro.en.alibaba.com, 40% (18 requests) were made to S.alicdn.com and 31% (14 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (53%)

Content Size

2.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Koro.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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 527.7 kB

  • Original 622.5 kB
  • After minification 621.8 kB
  • After compression 94.8 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 527.7 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 5.8 kB
  • After minification 5.8 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. Koro En Alibaba images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 640.1 kB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 934.4 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 640.1 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (44%)

Requests Now

43

After Optimization

24

  • AJAX
  • Images
  • JavaScript

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

koro.en.alibaba.com

koro.en.alibaba.com

441 ms

koro.en.alibaba.com

koro.en.alibaba.com

778 ms

242 ms

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

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

35 ms

index.js

index.js

49 ms

index.js

index.js

38 ms

renderHeader.js

renderHeader.js

44 ms

H5a3c401f9d894890b7dfc559171e45a0N.jpg

H5a3c401f9d894890b7dfc559171e45a0N.jpg

448 ms

H3922c5494d6a418f9331c1338a947446W.jpg

H3922c5494d6a418f9331c1338a947446W.jpg

536 ms

H32c28f98d86348ebb8013bd841466cc46.jpg

H32c28f98d86348ebb8013bd841466cc46.jpg

1796 ms

awsc.js

awsc.js

91 ms

23 ms

7.gif

7.gif

43 ms

et_n.js

et_n.js

6 ms

um.js

um.js

60 ms

wu.json

wu.json

971 ms

H4e6064fcc08843cd8d9d2cdc653302bcP.jpg

H4e6064fcc08843cd8d9d2cdc653302bcP.jpg

389 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

17 ms

H7400b6ed461e4661be24d597cde2eb19h.jpg

H7400b6ed461e4661be24d597cde2eb19h.jpg

1034 ms

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H433e15ce58ac447883481c46494f236aI.jpg

565 ms

Ha09449c979314785bb298789cde26c59V.jpg

Ha09449c979314785bb298789cde26c59V.jpg

1366 ms

Hecbf767d4adf4f268b6075b7584e54f1H.jpg

Hecbf767d4adf4f268b6075b7584e54f1H.jpg

833 ms

H7bd6e3a6376f4e5dbf36c04f6bd10a57K.jpg

H7bd6e3a6376f4e5dbf36c04f6bd10a57K.jpg

1054 ms

TB-R-Series-Automatic-Sheet-Fed-Paper.jpg_350x350.jpg

TB-R-Series-Automatic-Sheet-Fed-Paper.jpg_350x350.jpg

1367 ms

TB-S-Series-Automatic-Sheet-Fed-Paper.jpg_350x350.jpg

TB-S-Series-Automatic-Sheet-Fed-Paper.jpg_350x350.jpg

1821 ms

TB-S-Series-Automatic-Sheet-Fed-Paper.jpg_350x350.jpg

TB-S-Series-Automatic-Sheet-Fed-Paper.jpg_350x350.jpg

1851 ms

TB-S-Series-Automatic-Sheet-Fed-Paper.jpg_350x350.jpg

TB-S-Series-Automatic-Sheet-Fed-Paper.jpg_350x350.jpg

1722 ms

Automatic-Paper-Bag-Making-Machine.jpg_350x350.jpg

Automatic-Paper-Bag-Making-Machine.jpg_350x350.jpg

1938 ms

H9e86c5feef8745fcb3f68adce18ab5f1v.jpg

H9e86c5feef8745fcb3f68adce18ab5f1v.jpg

501 ms

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H56db1d368bb04a14a90efa90c6d4b7e4n.jpg

504 ms

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Heef89a477bde4e93ad077fccbc1bd749d.jpg

604 ms

H5ab1070e839840ee844cff34ff8f14c3c.jpg

H5ab1070e839840ee844cff34ff8f14c3c.jpg

357 ms

Ha7ae342f46a24d5585d2540f96ffa1acO.jpg

Ha7ae342f46a24d5585d2540f96ffa1acO.jpg

395 ms

H1152e13433cb4c95997fe9e6a00fef1cj.jpg

H1152e13433cb4c95997fe9e6a00fef1cj.jpg

609 ms

H4c3750259f954c459a7ac126d56be75aN.jpg

H4c3750259f954c459a7ac126d56be75aN.jpg

799 ms

H068356b3371c4883a051eb9f1fc9d19eL.jpg

H068356b3371c4883a051eb9f1fc9d19eL.jpg

967 ms

H88ce952dd0a14491a1dec57e8bdd6935G.jpg

H88ce952dd0a14491a1dec57e8bdd6935G.jpg

861 ms

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Hfc3798db38754389ba107238965ad4238.jpg

887 ms

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H71c7da50c7224055bf30357c55762088H.jpg

951 ms

Hcdac1e24c06441cebe6fc592dcb84e34G.jpg

Hcdac1e24c06441cebe6fc592dcb84e34G.jpg

973 ms

H774951b0faef40d9b0d3aafd62b59859D.jpg

H774951b0faef40d9b0d3aafd62b59859D.jpg

1460 ms

eg.js

eg.js

3 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

324 ms

index.js

index.js

3 ms

Accessibility Review

koro.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

koro.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

koro.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 Koro.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 Koro.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

koro.en.alibaba.com

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