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

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

vanklaser.en.alibaba.com

Company Overview - Anhui Codos Laser Technology Development Co., Ltd.

Page Load Speed

3.8 sec in total

First Response

312 ms

Resources Loaded

2.9 sec

Page Rendered

623 ms

vanklaser.en.alibaba.com screenshot

About Website

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

Anhui Codos Laser Technology Development Co., Ltd. Products:CO2 Laser Cutting Machine,fiber laser marking machine,laser welding machine,laser cleaning machine,metal laser cutting machines

Visit vanklaser.en.alibaba.com

Key Findings

We analyzed Vanklaser.en.alibaba.com page load time and found that the first response time was 312 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

vanklaser.en.alibaba.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value3,890 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.283

43/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

Network Requests Diagram

vanklaser.en.alibaba.com

312 ms

vanklaser.en.alibaba.com

336 ms

23 ms

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

105 ms

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

229 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Vanklaser.en.alibaba.com, 25% (7 requests) were made to S.alicdn.com and 18% (5 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 777.7 kB (42%)

Content Size

1.9 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vanklaser.en.alibaba.com main page is 1.9 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. 25% 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 453.7 kB

  • Original 546.7 kB
  • After minification 545.9 kB
  • After compression 92.9 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 453.7 kB or 83% of the original size.

Image Optimization

-38%

Potential reduce by 37.6 kB

  • Original 99.6 kB
  • After minification 62.0 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. Obviously, Vank Laser En Alibaba needs image optimization as it can save up to 37.6 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 286.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 928.5 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 286.3 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

  • AJAX
  • Images
  • JavaScript

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vank Laser 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

vanklaser.en.alibaba.com

vanklaser.en.alibaba.com

312 ms

vanklaser.en.alibaba.com

vanklaser.en.alibaba.com

336 ms

23 ms

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

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

105 ms

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

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

229 ms

index.js

index.js

126 ms

index.js

index.js

112 ms

renderHeader.js

renderHeader.js

118 ms

H45db9dfa28e2427ca2352c91fe70cbf9M.jpg

H45db9dfa28e2427ca2352c91fe70cbf9M.jpg

251 ms

awsc.js

awsc.js

84 ms

43 ms

7.gif

7.gif

256 ms

et_n.js

et_n.js

20 ms

um.js

um.js

18 ms

H79569f2e07cb411bb8fee69440df09daf.jpg

H79569f2e07cb411bb8fee69440df09daf.jpg

605 ms

Hd534846d6a4e4028b98d4c3ca3fc42ab2.jpg

Hd534846d6a4e4028b98d4c3ca3fc42ab2.jpg

936 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

40 ms

Hc9ed9be335cf4ebfbb4beeb65b86ea21s.jpg

Hc9ed9be335cf4ebfbb4beeb65b86ea21s.jpg

779 ms

H7c1aa77b04984051bb63211f721ae57fv.jpg

H7c1aa77b04984051bb63211f721ae57fv.jpg

735 ms

H560ce74772eb4404bbb40c54161cf9019.jpg

H560ce74772eb4404bbb40c54161cf9019.jpg

2235 ms

H507ffa0d2a9c42e9a5ebc690b4fd9eceF.jpg

H507ffa0d2a9c42e9a5ebc690b4fd9eceF.jpg

2099 ms

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

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

31 ms

RECI-laser-tube-for-CO2-laser-engraving.jpg_350x350.jpg

RECI-laser-tube-for-CO2-laser-engraving.jpg_350x350.jpg

786 ms

wu.json

wu.json

531 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

547 ms

eg.js

eg.js

3 ms

index.js

index.js

11 ms

Accessibility Review

vanklaser.en.alibaba.com accessibility score

70

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

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

vanklaser.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

vanklaser.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 Vanklaser.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 Vanklaser.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

vanklaser.en.alibaba.com

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