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

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

carsensors.en.alibaba.com

Guangzhou Yaopei Auto Parts Co., Ltd . - Parking Sensor, Tpms Sensor

Page Load Speed

5.8 sec in total

First Response

243 ms

Resources Loaded

4.2 sec

Page Rendered

1.3 sec

carsensors.en.alibaba.com screenshot

About Website

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

Guangzhou Yaopei Auto Parts Co., Ltd ., Experts in Manufacturing and Exporting Parking Sensor, Tpms Sensor and 0 more Products.

Visit carsensors.en.alibaba.com

Key Findings

We analyzed Carsensors.en.alibaba.com page load time and found that the first response time was 243 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

carsensors.en.alibaba.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value16.2 s

0/100

10%

TBT (Total Blocking Time)

Value6,990 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.28

43/100

15%

TTI (Time to Interactive)

Value27.6 s

0/100

10%

Network Requests Diagram

carsensors.en.alibaba.com

243 ms

carsensors.en.alibaba.com

1011 ms

110 ms

59 ms

header.css

58 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Carsensors.en.alibaba.com, 68% (102 requests) were made to S.alicdn.com and 5% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (58%)

Content Size

4.2 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Carsensors.en.alibaba.com main page is 4.2 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. 75% 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 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 876.0 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 146.1 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 876.0 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 17.2 kB

  • Original 328.1 kB
  • After minification 311.0 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. Car Sensor S En Alibaba images are well optimized though.

JavaScript Optimization

-50%

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 50% of the original size.

CSS Optimization

-88%

Potential reduce by 287.0 kB

  • Original 324.8 kB
  • After minification 274.0 kB
  • After compression 37.9 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. Carsensors.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 287.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (33%)

Requests Now

139

After Optimization

93

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Car Sensor S 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 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

carsensors.en.alibaba.com

carsensors.en.alibaba.com

243 ms

carsensors.en.alibaba.com

carsensors.en.alibaba.com

1011 ms

110 ms

59 ms

header.css

header.css

58 ms

header.js

header.js

57 ms

61 ms

web-index.css

web-index.css

58 ms

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web-index.css

56 ms

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web-index.css

58 ms

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60 ms

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60 ms

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63 ms

57 ms

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362 ms

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602 ms

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601 ms

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690 ms

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629 ms

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685 ms

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629 ms

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664 ms

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704 ms

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776 ms

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778 ms

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984 ms

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795 ms

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774 ms

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796 ms

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910 ms

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918 ms

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979 ms

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880 ms

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1981 ms

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980 ms

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1100 ms

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1484 ms

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851 ms

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339 ms

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205 ms

roboto-light.woff

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878 ms

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761 ms

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751 ms

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sc.globalxman.appscene

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119 ms

footer.css

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649 ms

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647 ms

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80 ms

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80 ms

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25 ms

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645 ms

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9 ms

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647 ms

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47 ms

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885 ms

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974 ms

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898 ms

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2030 ms

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1249 ms

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1033 ms

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1343 ms

pages_version.html

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58 ms

sc.sc_header_footer.schd_coms

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42 ms

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57 ms

i.alicdn.com

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53 ms

index.js

index.js

895 ms

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1077 ms

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1250 ms

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996 ms

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997 ms

index.web.css

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987 ms

index.web.js

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993 ms

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173 ms

store-proxy.html

store-proxy.html

114 ms

countryCurrencyDataService

countryCurrencyDataService

146 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

102 ms

personRoleInfo.do

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105 ms

notification.do

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121 ms

need_show_cookie_setting.do

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8 ms

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152 ms

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153 ms

availableSurveyQuery.json

availableSurveyQuery.json

78 ms

data

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7 ms

Accessibility Review

carsensors.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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

carsensors.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

carsensors.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 Carsensors.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 Carsensors.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

carsensors.en.alibaba.com

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