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

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

selumis.en.alibaba.com

Shanghai Selumis Lasers Technology Co., Ltd. - IPL, Diode Laser Hair Removal

Page Load Speed

4.8 sec in total

First Response

230 ms

Resources Loaded

4.3 sec

Page Rendered

231 ms

selumis.en.alibaba.com screenshot

About Website

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

Shanghai Selumis Lasers Technology Co., Ltd., Experts in Manufacturing and Exporting IPL, Diode Laser Hair Removal and 0 more Products.

Visit selumis.en.alibaba.com

Key Findings

We analyzed Selumis.en.alibaba.com page load time and found that the first response time was 230 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

selumis.en.alibaba.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value4,640 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value23.6 s

1/100

10%

Network Requests Diagram

selumis.en.alibaba.com

230 ms

selumis.en.alibaba.com

594 ms

69 ms

63 ms

header.css

102 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 Selumis.en.alibaba.com, 46% (32 requests) were made to S.alicdn.com and 10% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (52%)

Content Size

3.5 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Selumis.en.alibaba.com main page is 3.5 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. 70% of websites need less resources to load. Javascripts take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 287.7 kB

  • Original 368.2 kB
  • After minification 364.2 kB
  • After compression 80.5 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 287.7 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 15.3 kB

  • Original 329.0 kB
  • After minification 313.7 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. Selumis En Alibaba images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 1.2 MB

  • Original 2.5 MB
  • After minification 2.5 MB
  • After compression 1.3 MB

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 1.2 MB or 49% of the original size.

CSS Optimization

-88%

Potential reduce by 295.6 kB

  • Original 335.5 kB
  • After minification 284.7 kB
  • After compression 40.0 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Selumis.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 295.6 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (71%)

Requests Now

58

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Selumis 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 29 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

selumis.en.alibaba.com

selumis.en.alibaba.com

230 ms

selumis.en.alibaba.com

selumis.en.alibaba.com

594 ms

69 ms

63 ms

header.css

header.css

102 ms

header.js

header.js

111 ms

53 ms

web-index.css

web-index.css

108 ms

web-index.css

web-index.css

109 ms

web-index.css

web-index.css

101 ms

web-index.css

web-index.css

141 ms

web-index.css

web-index.css

109 ms

207 ms

157 ms

index.js

index.js

158 ms

156 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

112 ms

H2898e9addd93456f98cfd3884324bf7e7.png

H2898e9addd93456f98cfd3884324bf7e7.png

397 ms

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg_q80.jpg

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg_q80.jpg

94 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

189 ms

awsc.js

awsc.js

90 ms

61 ms

personTipsInfo.do

personTipsInfo.do

143 ms

58 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

41 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

33 ms

HTB1VEiXilTH8KJjy0Fiq6ARsXXaV.jpg

HTB1VEiXilTH8KJjy0Fiq6ARsXXaV.jpg

3351 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

194 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

124 ms

eg.js

eg.js

203 ms

roboto-regular.woff

roboto-regular.woff

12 ms

roboto-medium.woff

roboto-medium.woff

22 ms

roboto-light.woff

roboto-light.woff

101 ms

roboto-thin.woff

roboto-thin.woff

100 ms

roboto-bold.woff

roboto-bold.woff

101 ms

et_n.js

et_n.js

93 ms

um.js

um.js

162 ms

sc.globalxman.appscene

sc.globalxman.appscene

105 ms

icon-font.woff

icon-font.woff

76 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

169 ms

footer.css

footer.css

86 ms

wu.json

wu.json

422 ms

light0.5x.png

light0.5x.png

35 ms

pages_version.html

pages_version.html

110 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

11 ms

defer-common.js

defer-common.js

214 ms

i.alicdn.com

i.alicdn.com

95 ms

index.js

index.js

33 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

35 ms

index.js

index.js

33 ms

index.js

index.js

47 ms

7.gif

7.gif

24 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

34 ms

baxiaCommon.js

baxiaCommon.js

19 ms

rp

rp

1009 ms

index.js

index.js

7 ms

index.web.css

index.web.css

35 ms

index.web.js

index.web.js

50 ms

availableSurveyQuery.json

availableSurveyQuery.json

145 ms

store-proxy.html

store-proxy.html

118 ms

countryCurrencyDataService

countryCurrencyDataService

134 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

84 ms

personRoleInfo.do

personRoleInfo.do

77 ms

notification.do

notification.do

95 ms

iconfont.woff

iconfont.woff

10 ms

iconfont.woff

iconfont.woff

30 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

8 ms

footer-sync.js

footer-sync.js

8 ms

Accessibility Review

selumis.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

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

selumis.en.alibaba.com best practices score

83

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

SEO Factors

selumis.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

High

Document doesn't have a valid hreflang

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 uses 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 Selumis.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 Selumis.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

selumis.en.alibaba.com

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