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zentosec.en.alibaba.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

zentosec.en.alibaba.com

Shenzhen Zento Traffic Equipment Co., Ltd.

Page Load Speed

3.3 sec in total

First Response

148 ms

Resources Loaded

2.9 sec

Page Rendered

250 ms

zentosec.en.alibaba.com screenshot

About Website

Welcome to zentosec.en.alibaba.com homepage info - get ready to check Zento Sec En Alibaba best content for China right away, or after learning these important things about zentosec.en.alibaba.com

Shenzhen Zento Traffic Equipment Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit zentosec.en.alibaba.com

Key Findings

We analyzed Zentosec.en.alibaba.com page load time and found that the first response time was 148 ms and then it took 3.2 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

zentosec.en.alibaba.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value22.6 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value8,110 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.173

69/100

15%

TTI (Time to Interactive)

Value32.0 s

0/100

10%

Network Requests Diagram

zentosec.en.alibaba.com

148 ms

zentosec.en.alibaba.com

658 ms

202 ms

232 ms

header.css

227 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Zentosec.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 (1.2 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

6.0 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zentosec.en.alibaba.com main page is 6.0 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 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 435.6 kB

  • Original 535.0 kB
  • After minification 531.0 kB
  • After compression 99.4 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 435.6 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 8.9 kB

  • Original 78.4 kB
  • After minification 69.5 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, Zento Sec En Alibaba needs image optimization as it can save up to 8.9 kB or 11% 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 314.1 kB
  • After minification 263.2 kB
  • After compression 111.6 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. Zentosec.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 37 (58%)

Requests Now

64

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zento Sec 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

zentosec.en.alibaba.com

zentosec.en.alibaba.com

148 ms

zentosec.en.alibaba.com

zentosec.en.alibaba.com

658 ms

202 ms

232 ms

header.css

header.css

227 ms

header.js

header.js

251 ms

36 ms

web-index.css

web-index.css

201 ms

web-index.css

web-index.css

250 ms

web-index.css

web-index.css

250 ms

web-index.css

web-index.css

250 ms

web-index.css

web-index.css

264 ms

O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

264 ms

408 ms

263 ms

index.js

index.js

260 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

525 ms

Hbd5a5cd962c44a52b5e0ea1f104dcccas.jpg

Hbd5a5cd962c44a52b5e0ea1f104dcccas.jpg

439 ms

H05c7b728d50b44f6b63db3ea1c52927cD.png

H05c7b728d50b44f6b63db3ea1c52927cD.png

873 ms

Ha7935bbfdbed4a2b8808238fa2d73c6az.jpg

Ha7935bbfdbed4a2b8808238fa2d73c6az.jpg

132 ms

Hc787d2b9e6824d17954d660ad06f29bcC.jpg_q80.jpg

Hc787d2b9e6824d17954d660ad06f29bcC.jpg_q80.jpg

437 ms

H3c10b3df76824b7ab710de1416cae6dfz.jpg_q80.jpg

H3c10b3df76824b7ab710de1416cae6dfz.jpg_q80.jpg

148 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

650 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

838 ms

Hc18fc8e152c443039b8cf752cd571f15x.jpg

Hc18fc8e152c443039b8cf752cd571f15x.jpg

187 ms

Ha126564fd4e94674aceec4f7d9de2dabv.jpg

Ha126564fd4e94674aceec4f7d9de2dabv.jpg

250 ms

H31b64da30c6441c2b1f8bb9459b60fc94.jpg

H31b64da30c6441c2b1f8bb9459b60fc94.jpg

451 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

101 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

102 ms

roboto-regular.woff

roboto-regular.woff

121 ms

roboto-medium.woff

roboto-medium.woff

150 ms

roboto-light.woff

roboto-light.woff

139 ms

roboto-thin.woff

roboto-thin.woff

150 ms

roboto-bold.woff

roboto-bold.woff

150 ms

134 ms

personTipsInfo.do

personTipsInfo.do

374 ms

awsc.js

awsc.js

162 ms

58 ms

blank

blank

4 ms

H60a5f8e7d1074c8a82128febf0abca7du.jpg

H60a5f8e7d1074c8a82128febf0abca7du.jpg

88 ms

77 ms

icon-font.woff

icon-font.woff

49 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

182 ms

eg.js

eg.js

524 ms

sc.globalxman.appscene

sc.globalxman.appscene

450 ms

footer.css

footer.css

17 ms

et_n.js

et_n.js

62 ms

um.js

um.js

146 ms

light0.5x.png

light0.5x.png

110 ms

pages_version.html

pages_version.html

256 ms

defer-common.js

defer-common.js

399 ms

i.alicdn.com

i.alicdn.com

398 ms

index.js

index.js

81 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

384 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

238 ms

index.js

index.js

48 ms

wu.json

wu.json

425 ms

index.css

index.css

10 ms

index.web.css

index.web.css

7 ms

index.web.js

index.web.js

22 ms

availableSurveyQuery.json

availableSurveyQuery.json

64 ms

index.js

index.js

131 ms

store-proxy.html

store-proxy.html

106 ms

countryCurrencyDataService

countryCurrencyDataService

248 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

77 ms

personRoleInfo.do

personRoleInfo.do

70 ms

notification.do

notification.do

230 ms

7.gif

7.gif

20 ms

index.js

index.js

20 ms

index.js

index.js

19 ms

baxiaCommon.js

baxiaCommon.js

8 ms

rp

rp

1247 ms

um.json

um.json

54 ms

iconfont.woff

iconfont.woff

7 ms

iconfont.woff

iconfont.woff

13 ms

getUmid.do

getUmid.do

9 ms

Accessibility Review

zentosec.en.alibaba.com accessibility score

66

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

zentosec.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

zentosec.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

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 uses 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 Zentosec.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 Zentosec.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

zentosec.en.alibaba.com

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