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

Report Summary

  • 21

    Performance

    Renders faster than
    39% 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

isafechina.en.alibaba.com

Company Overview - Shenzhen Isafe Technology Limited

Page Load Speed

2.7 sec in total

First Response

236 ms

Resources Loaded

2.2 sec

Page Rendered

274 ms

isafechina.en.alibaba.com screenshot

About Website

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

Shenzhen Isafe Technology Limited Products:Smart Watch,Smart Band,wireless earphone

Visit isafechina.en.alibaba.com

Key Findings

We analyzed Isafechina.en.alibaba.com page load time and found that the first response time was 236 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

isafechina.en.alibaba.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value7,930 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value25.6 s

0/100

10%

Network Requests Diagram

isafechina.en.alibaba.com

236 ms

isafechina.en.alibaba.com

176 ms

91 ms

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

41 ms

59 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Isafechina.en.alibaba.com, 30% (13 requests) were made to S.alicdn.com and 16% (7 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 S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 717.4 kB (43%)

Content Size

1.7 MB

After Optimization

967.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Isafechina.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

-80%

Potential reduce by 297.6 kB

  • Original 371.9 kB
  • After minification 371.2 kB
  • After compression 74.3 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 297.6 kB or 80% 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. Isafe China En Alibaba images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 419.8 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 888.5 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 419.8 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (46%)

Requests Now

41

After Optimization

22

  • AJAX
  • Images
  • JavaScript

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isafe 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 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

isafechina.en.alibaba.com

isafechina.en.alibaba.com

236 ms

isafechina.en.alibaba.com

isafechina.en.alibaba.com

176 ms

91 ms

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

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

41 ms

59 ms

renderHeader.js

renderHeader.js

49 ms

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H7badd669c0c54580a380fb41cf2fd0ce8.jpg

1671 ms

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H53b256e220da4ad8a171365354c52c8b8.jpg

1127 ms

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1806 ms

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He4632a5da5d7486d932b5cadba8318cet.jpg

701 ms

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440 ms

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Hd7697e32fc7c4c2aa8e31a8355e82efeQ.jpg

870 ms

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Hd1bbdaf8fd5246ef8e9ea8fb35c1949f9.jpg

666 ms

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H95ed1888d592481f8448ecae5a2cf7630.jpg

526 ms

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H55954e894b304813882c4f1f94538f865.jpg

589 ms

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H9d03eb2d8022433b92573e53cb1e8551K.jpg

1171 ms

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H15dbab1b442a431ba00f21f6d2b54958W.jpg

1096 ms

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H0f196bfe7c694686a0caa79e7e715a2aG.jpg

1095 ms

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He6bea61d3581410ba336678e6bf194b7u.jpg

797 ms

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1001 ms

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838 ms

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746 ms

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891 ms

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639 ms

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447 ms

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677 ms

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594 ms

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485 ms

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Hebdadec22fc648ce989d1ef9467ee000x.jpg

705 ms

awsc.js

awsc.js

35 ms

8 ms

7.gif

7.gif

228 ms

index.js

index.js

102 ms

index.js

index.js

10 ms

et_n.js

et_n.js

9 ms

um.js

um.js

9 ms

wu.json

wu.json

599 ms

baxiaCommon.js

baxiaCommon.js

12 ms

wcfg.json

wcfg.json

1168 ms

rp

rp

1412 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

233 ms

eg.js

eg.js

2 ms

Accessibility Review

isafechina.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

isafechina.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

isafechina.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 Isafechina.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 Isafechina.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

isafechina.en.alibaba.com

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