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

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

siterwell.en.alibaba.com

Company Overview - Siterwell Electronics Co., Limited

Page Load Speed

2.8 sec in total

First Response

362 ms

Resources Loaded

2.4 sec

Page Rendered

93 ms

siterwell.en.alibaba.com screenshot

About Website

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

Siterwell Electronics Co., Limited Products:smart home security system,IOT solution,Analog addressable fire alarm system,GSM security system,interconnection system

Visit siterwell.en.alibaba.com

Key Findings

We analyzed Siterwell.en.alibaba.com page load time and found that the first response time was 362 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

siterwell.en.alibaba.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value6,230 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.42

23/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

Network Requests Diagram

siterwell.en.alibaba.com

362 ms

siterwell.en.alibaba.com

202 ms

233 ms

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

39 ms

54 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Siterwell.en.alibaba.com, 40% (27 requests) were made to Sc01.alicdn.com and 21% (14 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Sc01.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (69%)

Content Size

3.1 MB

After Optimization

965.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Siterwell.en.alibaba.com main page is 3.1 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. 35% of websites need less resources to load. Javascripts take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 339.3 kB

  • Original 416.7 kB
  • After minification 415.9 kB
  • After compression 77.3 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 339.3 kB or 81% 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. Siterwell En Alibaba images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 1.8 MB

  • Original 2.7 MB
  • After minification 2.7 MB
  • After compression 883.8 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 1.8 MB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (45%)

Requests Now

65

After Optimization

36

  • AJAX
  • Images
  • JavaScript

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Siterwell 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 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

siterwell.en.alibaba.com

siterwell.en.alibaba.com

362 ms

siterwell.en.alibaba.com

siterwell.en.alibaba.com

202 ms

233 ms

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

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

39 ms

54 ms

renderHeader.js

renderHeader.js

49 ms

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636 ms

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418 ms

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1171 ms

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219 ms

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629 ms

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679 ms

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402 ms

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545 ms

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346 ms

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364 ms

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509 ms

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346 ms

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651 ms

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587 ms

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598 ms

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838 ms

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707 ms

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925 ms

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838 ms

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1016 ms

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1044 ms

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986 ms

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1143 ms

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1256 ms

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1269 ms

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1246 ms

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1270 ms

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1352 ms

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1395 ms

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1488 ms

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1543 ms

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1827 ms

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1660 ms

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474 ms

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467 ms

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491 ms

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522 ms

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1384 ms

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736 ms

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994 ms

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996 ms

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1279 ms

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892 ms

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1325 ms

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1137 ms

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1377 ms

awsc.js

awsc.js

73 ms

17 ms

7.gif

7.gif

304 ms

index.js

index.js

25 ms

index.js

index.js

33 ms

et_n.js

et_n.js

23 ms

um.js

um.js

20 ms

baxiaCommon.js

baxiaCommon.js

104 ms

wcfg.json

wcfg.json

1036 ms

rp

rp

932 ms

wu.json

wu.json

591 ms

fsp.1.1

fsp.1.1

861 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

91 ms

eg.js

eg.js

3 ms

Accessibility Review

siterwell.en.alibaba.com accessibility score

40

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

siterwell.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

siterwell.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 Siterwell.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 Siterwell.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

siterwell.en.alibaba.com

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