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

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

rongtong.en.alibaba.com

Company Overview - Beijing Kes Biology Technology Co., Ltd.

Page Load Speed

2.6 sec in total

First Response

429 ms

Resources Loaded

1.9 sec

Page Rendered

254 ms

rongtong.en.alibaba.com screenshot

About Website

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

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Visit rongtong.en.alibaba.com

Key Findings

We analyzed Rongtong.en.alibaba.com page load time and found that the first response time was 429 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rongtong.en.alibaba.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value4,240 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value25.6 s

0/100

10%

Network Requests Diagram

rongtong.en.alibaba.com

429 ms

rongtong.en.alibaba.com

303 ms

39 ms

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

35 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

91 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 10% of them (3 requests) were addressed to the original Rongtong.en.alibaba.com, 32% (10 requests) were made to S.alicdn.com and 10% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 716.2 kB (39%)

Content Size

1.8 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rongtong.en.alibaba.com main page is 1.8 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. 40% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 441.6 kB

  • Original 533.7 kB
  • After minification 532.9 kB
  • After compression 92.1 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 441.6 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 2.6 kB

  • Original 107.1 kB
  • After minification 104.6 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. Rongtong En Alibaba images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 272.1 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 920.0 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 272.1 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (39%)

Requests Now

28

After Optimization

17

  • AJAX
  • Images
  • JavaScript

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rongtong 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

rongtong.en.alibaba.com

rongtong.en.alibaba.com

429 ms

rongtong.en.alibaba.com

rongtong.en.alibaba.com

303 ms

39 ms

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

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

35 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

91 ms

index.js

index.js

53 ms

index.js

index.js

74 ms

renderHeader.js

renderHeader.js

49 ms

He476595c60a24308bc70dba3f62364a7n.jpg

He476595c60a24308bc70dba3f62364a7n.jpg

594 ms

awsc.js

awsc.js

42 ms

9 ms

7.gif

7.gif

140 ms

et_n.js

et_n.js

5 ms

um.js

um.js

71 ms

Hfb756cf6eeae43d081d13cea7379d832Z.png

Hfb756cf6eeae43d081d13cea7379d832Z.png

545 ms

TB2T4qffBjTBKNjSZFwXXcG4XXa_!!3377521498.png

TB2T4qffBjTBKNjSZFwXXcG4XXa_!!3377521498.png

207 ms

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

344 ms

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

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

33 ms

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

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

34 ms

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

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

34 ms

Hca738d44aa2a4ac39011c9b447e1444aZ.jpg

Hca738d44aa2a4ac39011c9b447e1444aZ.jpg

646 ms

Hda2d94d4095449aa9132111b95920d2aB.jpg

Hda2d94d4095449aa9132111b95920d2aB.jpg

643 ms

TB25SuafAomBKNjSZFqXXXtqVXa_!!3377521498.png

TB25SuafAomBKNjSZFqXXXtqVXa_!!3377521498.png

112 ms

undefined

undefined

94 ms

H730757b75a604b1a85170fbe468ae5b4p.jpg

H730757b75a604b1a85170fbe468ae5b4p.jpg

799 ms

Hb603ca46c72345fe84dc843afcfb7038R.jpg

Hb603ca46c72345fe84dc843afcfb7038R.jpg

1053 ms

wu.json

wu.json

26 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

102 ms

eg.js

eg.js

2 ms

index.js

index.js

8 ms

Accessibility Review

rongtong.en.alibaba.com accessibility score

72

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

rongtong.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rongtong.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 Rongtong.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 Rongtong.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

rongtong.en.alibaba.com

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