Tools & Wizards About Us
landun-china.en.alibaba.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

landun-china.en.alibaba.com

Shenzhen Landun Professional Monitors Electronic Technology Co., Ltd. - LCD Video Wall, Digital Signage Kiosk

Page Load Speed

5.2 sec in total

First Response

559 ms

Resources Loaded

3.9 sec

Page Rendered

754 ms

landun-china.en.alibaba.com screenshot

About Website

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

Shenzhen Landun Professional Monitors Electronic Technology Co., Ltd., Experts in Manufacturing and Exporting LCD Video Wall, Digital Signage Kiosk and 0 more Products.

Visit landun-china.en.alibaba.com

Key Findings

We analyzed Landun-china.en.alibaba.com page load time and found that the first response time was 559 ms and then it took 4.6 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

landun-china.en.alibaba.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value7,010 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

landun-china.en.alibaba.com

559 ms

landun-china.en.alibaba.com

287 ms

24 ms

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

189 ms

index.js

202 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Landun-china.en.alibaba.com, 41% (28 requests) were made to Sc02.alicdn.com and 32% (22 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 726.6 kB (32%)

Content Size

2.2 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Landun-china.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. 40% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 321.7 kB

  • Original 405.4 kB
  • After minification 404.4 kB
  • After compression 83.6 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 321.7 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 14.2 kB

  • Original 524.2 kB
  • After minification 510.0 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. Landun China En Alibaba images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 390.7 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 928.6 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 390.7 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

67

After Optimization

44

  • AJAX
  • Images
  • JavaScript

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Landun China 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

landun-china.en.alibaba.com

landun-china.en.alibaba.com

559 ms

landun-china.en.alibaba.com

landun-china.en.alibaba.com

287 ms

24 ms

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

189 ms

index.js

index.js

202 ms

index.js

index.js

188 ms

renderHeader.js

renderHeader.js

401 ms

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698 ms

awsc.js

awsc.js

194 ms

11 ms

7.gif

7.gif

114 ms

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1123 ms

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604 ms

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40 ms

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830 ms

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965 ms

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1100 ms

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985 ms

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1319 ms

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1119 ms

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1473 ms

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1546 ms

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1429 ms

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1529 ms

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1748 ms

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1767 ms

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1847 ms

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2037 ms

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1970 ms

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1994 ms

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2125 ms

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2195 ms

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2255 ms

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2451 ms

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2349 ms

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679 ms

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640 ms

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724 ms

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620 ms

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1148 ms

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932 ms

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1200 ms

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1069 ms

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1070 ms

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1322 ms

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1389 ms

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1429 ms

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1504 ms

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1492 ms

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2993 ms

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1789 ms

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1781 ms

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1998 ms

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1991 ms

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1912 ms

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2350 ms

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2219 ms

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2289 ms

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2297 ms

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2342 ms

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2554 ms

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2614 ms

et_n.js

et_n.js

8 ms

um.js

um.js

174 ms

wu.json

wu.json

473 ms

um.json

um.json

59 ms

getUmid.do

getUmid.do

101 ms

eg.js

eg.js

3 ms

index.js

index.js

25 ms

Accessibility Review

landun-china.en.alibaba.com accessibility score

59

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

landun-china.en.alibaba.com best practices score

67

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

landun-china.en.alibaba.com SEO score

86

Search Engine Optimization Advices

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 Landun-china.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 Landun-china.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

landun-china.en.alibaba.com

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