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lasers.en.alibaba.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

Page Load Speed

3.9 sec in total

First Response

486 ms

Resources Loaded

3.4 sec

Page Rendered

55 ms

lasers.en.alibaba.com screenshot

About Website

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

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Key Findings

We analyzed Lasers.en.alibaba.com page load time and found that the first response time was 486 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

lasers.en.alibaba.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value3,190 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.296

40/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

Network Requests Diagram

lasers.en.alibaba.com

486 ms

lasers.en.alibaba.com

192 ms

73 ms

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

69 ms

index.js

92 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 10% of them (2 requests) were addressed to the original Lasers.en.alibaba.com, 38% (8 requests) were made to S.alicdn.com and 14% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 639.8 kB (39%)

Content Size

1.7 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Lasers.en.alibaba.com main page is 1.7 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. 30% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 273.3 kB

  • Original 348.3 kB
  • After minification 347.4 kB
  • After compression 75.0 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 273.3 kB or 78% 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. Laser S En Alibaba images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 366.5 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 931.7 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 366.5 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (58%)

Requests Now

19

After Optimization

8

  • AJAX
  • Images
  • JavaScript

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laser S 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

lasers.en.alibaba.com

lasers.en.alibaba.com

486 ms

lasers.en.alibaba.com

lasers.en.alibaba.com

192 ms

73 ms

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

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

69 ms

index.js

index.js

92 ms

index.js

index.js

81 ms

renderHeader.js

renderHeader.js

90 ms

H54455a4434474ceb9a9ff017fa1de993p.png

H54455a4434474ceb9a9ff017fa1de993p.png

609 ms

H2cdc8503935440b4970a97855cb796e0J.png

H2cdc8503935440b4970a97855cb796e0J.png

630 ms

H8f7f4d23b1e24114b8ca9dd2705cfc50Y.png

H8f7f4d23b1e24114b8ca9dd2705cfc50Y.png

2770 ms

H0843a9ea1f0d47a2bfcd82a0264fed32y.jpg

H0843a9ea1f0d47a2bfcd82a0264fed32y.jpg

410 ms

awsc.js

awsc.js

269 ms

16 ms

7.gif

7.gif

55 ms

et_f.js

et_f.js

7 ms

um.js

um.js

103 ms

wu.json

wu.json

122 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

19 ms

eg.js

eg.js

4 ms

index.js

index.js

4 ms

Accessibility Review

lasers.en.alibaba.com accessibility score

75

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

lasers.en.alibaba.com best practices score

58

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

High

Serves images with low resolution

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

lasers.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 Lasers.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 Lasers.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

lasers.en.alibaba.com

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