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

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

rdtech.en.alibaba.com

Company Overview - Hangzhou Ruideng Technology Co., Ltd.

Page Load Speed

2.4 sec in total

First Response

112 ms

Resources Loaded

2.1 sec

Page Rendered

193 ms

rdtech.en.alibaba.com screenshot

About Website

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

Hangzhou Ruideng Technology Co., Ltd. Products:DPS5020,DPS5015,UM25C,TC66C,UM seies tester

Visit rdtech.en.alibaba.com

Key Findings

We analyzed Rdtech.en.alibaba.com page load time and found that the first response time was 112 ms and then it took 2.3 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

rdtech.en.alibaba.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value4,340 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.104

89/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

Network Requests Diagram

rdtech.en.alibaba.com

112 ms

rdtech.en.alibaba.com

521 ms

78 ms

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

53 ms

index.js

72 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Rdtech.en.alibaba.com, 31% (9 requests) were made to S.alicdn.com and 21% (6 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (50%)

Content Size

2.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rdtech.en.alibaba.com main page is 2.1 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. 20% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 829.5 kB

  • Original 956.6 kB
  • After minification 955.9 kB
  • After compression 127.2 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 829.5 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.8 kB
  • After minification 4.8 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. Rdtech En Alibaba images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 244.7 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 930.3 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 244.7 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (59%)

Requests Now

27

After Optimization

11

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rdtech 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

rdtech.en.alibaba.com

rdtech.en.alibaba.com

112 ms

rdtech.en.alibaba.com

rdtech.en.alibaba.com

521 ms

78 ms

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

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

53 ms

index.js

index.js

72 ms

index.js

index.js

52 ms

renderHeader.js

renderHeader.js

57 ms

H2710a51d543e490bb96448847964015bo.jpg

H2710a51d543e490bb96448847964015bo.jpg

953 ms

Hb392d6e015cb4e98843866a8ea1f70e6r.jpg

Hb392d6e015cb4e98843866a8ea1f70e6r.jpg

546 ms

H889cd589ec124a75ae1ae91cb45d4beap.jpg

H889cd589ec124a75ae1ae91cb45d4beap.jpg

1755 ms

awsc.js

awsc.js

38 ms

10 ms

7.gif

7.gif

23 ms

et_f.js

et_f.js

22 ms

um.js

um.js

14 ms

Hb0e9f1ed2d5f449188d2d6428d483b14n.jpg

Hb0e9f1ed2d5f449188d2d6428d483b14n.jpg

758 ms

HTB1ylp6aB1D3KVjSZFyq6zuFpXap.jpg

HTB1ylp6aB1D3KVjSZFyq6zuFpXap.jpg

734 ms

H5a5264a59191499d9faa39bf31279ea06.png

H5a5264a59191499d9faa39bf31279ea06.png

916 ms

Had721658ac8944a8882dc1b7a84c1380t.png

Had721658ac8944a8882dc1b7a84c1380t.png

335 ms

Hbb93d2935e1f4b3c91d439ba05bf6cb8W.png

Hbb93d2935e1f4b3c91d439ba05bf6cb8W.png

874 ms

H6a3e55b723094652992342f4e33aafa37.png

H6a3e55b723094652992342f4e33aafa37.png

414 ms

H9ea564cd6761463ca6f57bae8c7b757aj.png

H9ea564cd6761463ca6f57bae8c7b757aj.png

882 ms

H85cd84d53cf84f5381bd948f9fbec4e5j.jpg

H85cd84d53cf84f5381bd948f9fbec4e5j.jpg

110 ms

H166df0d6b512470980b71736a51cca2fx.jpg

H166df0d6b512470980b71736a51cca2fx.jpg

878 ms

wu.json

wu.json

418 ms

um.json

um.json

59 ms

getUmid.do

getUmid.do

40 ms

eg.js

eg.js

3 ms

index.js

index.js

47 ms

Accessibility Review

rdtech.en.alibaba.com accessibility score

74

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

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

rdtech.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

rdtech.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 Rdtech.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 Rdtech.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

rdtech.en.alibaba.com

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