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

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

szusafe.en.alibaba.com

Shenzhen Usafe Intelligent Technology Co., Ltd. - Fire Alarm System, Security Alarm System

Page Load Speed

3.2 sec in total

First Response

244 ms

Resources Loaded

2.6 sec

Page Rendered

382 ms

szusafe.en.alibaba.com screenshot

About Website

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

Shenzhen Usafe Intelligent Technology Co., Ltd., Experts in Manufacturing and Exporting Fire Alarm System, Security Alarm System and 0 more Products.

Visit szusafe.en.alibaba.com

Key Findings

We analyzed Szusafe.en.alibaba.com page load time and found that the first response time was 244 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

szusafe.en.alibaba.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value7,590 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.534

14/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

szusafe.en.alibaba.com

244 ms

szusafe.en.alibaba.com

639 ms

86 ms

79 ms

header.css

127 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Szusafe.en.alibaba.com, 45% (34 requests) were made to S.alicdn.com and 9% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.6 MB (61%)

Content Size

5.9 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szusafe.en.alibaba.com main page is 5.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 400.6 kB

  • Original 489.4 kB
  • After minification 485.5 kB
  • After compression 88.8 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 400.6 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 8.9 kB

  • Original 57.1 kB
  • After minification 48.2 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, Sz Usafe En Alibaba needs image optimization as it can save up to 8.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 3.0 MB

  • Original 5.1 MB
  • After minification 5.1 MB
  • After compression 2.1 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 3.0 MB or 59% of the original size.

CSS Optimization

-64%

Potential reduce by 202.5 kB

  • Original 314.6 kB
  • After minification 263.7 kB
  • After compression 112.1 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. Szusafe.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 202.5 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (59%)

Requests Now

64

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Usafe 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 30 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

szusafe.en.alibaba.com

szusafe.en.alibaba.com

244 ms

szusafe.en.alibaba.com

szusafe.en.alibaba.com

639 ms

86 ms

79 ms

header.css

header.css

127 ms

header.js

header.js

136 ms

201 ms

web-index.css

web-index.css

82 ms

web-index.css

web-index.css

136 ms

web-index.css

web-index.css

138 ms

web-index.css

web-index.css

138 ms

web-index.css

web-index.css

136 ms

209 ms

153 ms

index.js

index.js

154 ms

152 ms

UTB8MXBDuuvJXKJkSajhq6A7aFXaa.jpg

UTB8MXBDuuvJXKJkSajhq6A7aFXaa.jpg

196 ms

HTB1CUm5aBOD3KVjSZFFq6An9pXaW.jpg

HTB1CUm5aBOD3KVjSZFFq6An9pXaW.jpg

614 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

501 ms

HTB1byBwa8Gw3KVjSZFDq6xWEpXa8.jpg

HTB1byBwa8Gw3KVjSZFDq6xWEpXa8.jpg

465 ms

HTB1da5GclGE3KVjSZFhq6AkaFXa1.jpg_q80.jpg

HTB1da5GclGE3KVjSZFhq6AkaFXa1.jpg_q80.jpg

612 ms

HTB1lzd7aCSD3KVjSZFK76210VXaJ.png_q80.jpg

HTB1lzd7aCSD3KVjSZFK76210VXaJ.png_q80.jpg

218 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

635 ms

HTB1A913aEuF3KVjSZK9q6zVtXXa1.jpg

HTB1A913aEuF3KVjSZK9q6zVtXXa1.jpg

201 ms

HTB1ddu.aBGw3KVjSZFDq6xWEpXa0.jpg

HTB1ddu.aBGw3KVjSZFDq6xWEpXa0.jpg

256 ms

HTB1zozaaqSs3KVjSZPiq6AsiVXaC.jpg

HTB1zozaaqSs3KVjSZPiq6AsiVXaC.jpg

263 ms

HTB1V2mSXkxz61VjSZFt761DSVXay.png

HTB1V2mSXkxz61VjSZFt761DSVXay.png

282 ms

62 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

42 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

43 ms

HTB1NuBra8aE3KVjSZLeq6xsSFXae.jpg

HTB1NuBra8aE3KVjSZLeq6xsSFXae.jpg

431 ms

personTipsInfo.do

personTipsInfo.do

127 ms

roboto-regular.woff

roboto-regular.woff

84 ms

roboto-medium.woff

roboto-medium.woff

90 ms

roboto-light.woff

roboto-light.woff

114 ms

roboto-thin.woff

roboto-thin.woff

113 ms

roboto-bold.woff

roboto-bold.woff

122 ms

awsc.js

awsc.js

201 ms

77 ms

icon-font.woff

icon-font.woff

50 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

121 ms

footer.css

footer.css

50 ms

eg.js

eg.js

40 ms

light0.5x.png

light0.5x.png

48 ms

pages_version.html

pages_version.html

288 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

20 ms

defer-common.js

defer-common.js

39 ms

i.alicdn.com

i.alicdn.com

38 ms

index.js

index.js

36 ms

sc.globalxman.appscene

sc.globalxman.appscene

9 ms

index.js

index.js

107 ms

index.js

index.js

102 ms

7.gif

7.gif

96 ms

et_n.js

et_n.js

101 ms

um.js

um.js

176 ms

index.js

index.js

160 ms

store-proxy.html

store-proxy.html

133 ms

countryCurrencyDataService

countryCurrencyDataService

191 ms

personRoleInfo.do

personRoleInfo.do

117 ms

notification.do

notification.do

186 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

132 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

65 ms

baxiaCommon.js

baxiaCommon.js

111 ms

rp

rp

1450 ms

aksb.min.js

aksb.min.js

166 ms

wu.json

wu.json

327 ms

iconfont.woff

iconfont.woff

15 ms

iconfont.woff

iconfont.woff

8 ms

index.web.css

index.web.css

10 ms

index.web.js

index.web.js

26 ms

availableSurveyQuery.json

availableSurveyQuery.json

46 ms

index.js

index.js

34 ms

index.css

index.css

11 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

9 ms

Accessibility Review

szusafe.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

szusafe.en.alibaba.com best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

szusafe.en.alibaba.com SEO score

71

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

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 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 Szusafe.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 Szusafe.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

szusafe.en.alibaba.com

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