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

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

sztopsource.en.alibaba.com

Shenzhen Top Source Electronics Co., Ltd. - GPS Navigation, Car DVR

Page Load Speed

2.3 sec in total

First Response

80 ms

Resources Loaded

2 sec

Page Rendered

221 ms

sztopsource.en.alibaba.com screenshot

About Website

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

Shenzhen Top Source Electronics Co., Ltd., Experts in Manufacturing and Exporting GPS Navigation, Car DVR and 0 more Products.

Visit sztopsource.en.alibaba.com

Key Findings

We analyzed Sztopsource.en.alibaba.com page load time and found that the first response time was 80 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sztopsource.en.alibaba.com performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value4,780 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.122

1/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

sztopsource.en.alibaba.com

80 ms

sztopsource.en.alibaba.com

725 ms

49 ms

77 ms

header.css

82 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Sztopsource.en.alibaba.com, 51% (37 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 (1.1 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.9 MB (63%)

Content Size

6.2 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sztopsource.en.alibaba.com main page is 6.2 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. Only a small number of websites need less resources to load. Javascripts take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 313.0 kB

  • Original 397.1 kB
  • After minification 393.2 kB
  • After compression 84.1 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 313.0 kB or 79% of the original size.

Image Optimization

-15%

Potential reduce by 8.9 kB

  • Original 58.3 kB
  • After minification 49.4 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 Top Source En Alibaba needs image optimization as it can save up to 8.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 3.3 MB

  • Original 5.4 MB
  • After minification 5.4 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 3.3 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 286.1 kB

  • Original 398.4 kB
  • After minification 346.8 kB
  • After compression 112.4 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. Sztopsource.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 286.1 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (68%)

Requests Now

62

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Top Source 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sztopsource.en.alibaba.com

sztopsource.en.alibaba.com

80 ms

sztopsource.en.alibaba.com

sztopsource.en.alibaba.com

725 ms

49 ms

77 ms

header.css

header.css

82 ms

header.js

header.js

91 ms

91 ms

web-index.css

web-index.css

46 ms

web-index.css

web-index.css

81 ms

web-index.css

web-index.css

87 ms

web-index.css

web-index.css

89 ms

web-index.css

web-index.css

153 ms

92 ms

87 ms

index.js

index.js

89 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

444 ms

TB1Roq8fgoQMeJjy0FnXXb8gFXa-1200-250.png

TB1Roq8fgoQMeJjy0FnXXb8gFXa-1200-250.png

62 ms

HTB1JNhULXXXXXb5XVXXq6xXFXXXo.jpg_80x80.jpg

HTB1JNhULXXXXXb5XVXXq6xXFXXXo.jpg_80x80.jpg

117 ms

H0d0858d980944b5f9e7ec59b4390c7e7F.jpg_q80.jpg

H0d0858d980944b5f9e7ec59b4390c7e7F.jpg_q80.jpg

117 ms

Hb6a7b181f075452ea8bfb4f5aa72100bs.jpg_q80.jpg

Hb6a7b181f075452ea8bfb4f5aa72100bs.jpg_q80.jpg

117 ms

Hbfe1f0bd5f2548cfaf7d3712cf1453b7x.jpg_q80.jpg

Hbfe1f0bd5f2548cfaf7d3712cf1453b7x.jpg_q80.jpg

356 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

515 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

749 ms

awsc.js

awsc.js

73 ms

35 ms

personTipsInfo.do

personTipsInfo.do

66 ms

eg.js

eg.js

241 ms

32 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

26 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

28 ms

HTB11BDogDtYBeNjy1Xdq6xXyVXaZ.jpg

HTB11BDogDtYBeNjy1Xdq6xXyVXaZ.jpg

274 ms

TB1Roq8fgoQMeJjy0FnXXb8gFXa-1200-250.png

TB1Roq8fgoQMeJjy0FnXXb8gFXa-1200-250.png

122 ms

roboto-regular.woff

roboto-regular.woff

216 ms

roboto-medium.woff

roboto-medium.woff

105 ms

roboto-light.woff

roboto-light.woff

216 ms

roboto-thin.woff

roboto-thin.woff

215 ms

roboto-bold.woff

roboto-bold.woff

214 ms

et_n.js

et_n.js

106 ms

um.js

um.js

108 ms

sc.globalxman.appscene

sc.globalxman.appscene

113 ms

icon-font.woff

icon-font.woff

112 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

232 ms

footer.css

footer.css

137 ms

69 ms

wu.json

wu.json

480 ms

light0.5x.png

light0.5x.png

59 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

45 ms

index.js

index.js

39 ms

index.js

index.js

39 ms

pages_version.html

pages_version.html

94 ms

defer-common.js

defer-common.js

92 ms

i.alicdn.com

i.alicdn.com

80 ms

index.js

index.js

29 ms

7.gif

7.gif

46 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

47 ms

baxiaCommon.js

baxiaCommon.js

58 ms

rp

rp

1079 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

178 ms

index.js

index.js

180 ms

index.js

index.js

146 ms

index.web.css

index.web.css

141 ms

index.web.js

index.web.js

137 ms

store-proxy.html

store-proxy.html

116 ms

countryCurrencyDataService

countryCurrencyDataService

200 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

98 ms

personRoleInfo.do

personRoleInfo.do

160 ms

notification.do

notification.do

177 ms

index.css

index.css

76 ms

availableSurveyQuery.json

availableSurveyQuery.json

60 ms

iconfont.woff

iconfont.woff

4 ms

iconfont.woff

iconfont.woff

5 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

10 ms

Accessibility Review

sztopsource.en.alibaba.com accessibility score

68

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

sztopsource.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

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

sztopsource.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 Sztopsource.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 Sztopsource.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

sztopsource.en.alibaba.com

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