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zstelectronics.en.alibaba.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

zstelectronics.en.alibaba.com

Shenzhen ZST Electronics Technology Co., Ltd. - Solid state drive, Memory

Page Load Speed

4.1 sec in total

First Response

228 ms

Resources Loaded

3.6 sec

Page Rendered

309 ms

zstelectronics.en.alibaba.com screenshot

About Website

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

Shenzhen ZST Electronics Technology Co., Ltd., Experts in Manufacturing and Exporting Solid state drive, Memory and 0 more Products.

Visit zstelectronics.en.alibaba.com

Key Findings

We analyzed Zstelectronics.en.alibaba.com page load time and found that the first response time was 228 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zstelectronics.en.alibaba.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value5,380 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.35

31/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

Network Requests Diagram

zstelectronics.en.alibaba.com

228 ms

zstelectronics.en.alibaba.com

677 ms

63 ms

57 ms

header.css

57 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Zstelectronics.en.alibaba.com, 46% (34 requests) were made to S.alicdn.com and 9% (7 requests) were made to Gj.mmstat.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.8 MB (62%)

Content Size

6.1 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zstelectronics.en.alibaba.com main page is 6.1 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 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 318.0 kB

  • Original 401.6 kB
  • After minification 397.6 kB
  • After compression 83.5 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 318.0 kB or 79% 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, ZST Electronics 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

-61%

Potential reduce by 3.2 MB

  • Original 5.3 MB
  • After minification 5.3 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 3.2 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 283.7 kB

  • Original 395.2 kB
  • After minification 344.4 kB
  • After compression 111.5 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. Zstelectronics.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.7 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (71%)

Requests Now

63

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZST Electronics 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

zstelectronics.en.alibaba.com

zstelectronics.en.alibaba.com

228 ms

zstelectronics.en.alibaba.com

zstelectronics.en.alibaba.com

677 ms

63 ms

57 ms

header.css

header.css

57 ms

header.js

header.js

270 ms

150 ms

web-index.css

web-index.css

58 ms

web-index.css

web-index.css

110 ms

web-index.css

web-index.css

118 ms

web-index.css

web-index.css

109 ms

web-index.css

web-index.css

108 ms

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

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

108 ms

132 ms

108 ms

index.js

index.js

108 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

430 ms

HTB1PWlLXAxz61VjSZFt761DSVXag.png

HTB1PWlLXAxz61VjSZFt761DSVXag.png

257 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

11 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

8 ms

Hcfb9a729c63d40fba850727e533c0e40F.jpg

Hcfb9a729c63d40fba850727e533c0e40F.jpg

716 ms

H6387de27883b4bd9b4efe8beb52fcfc2o.jpg_q80.jpg

H6387de27883b4bd9b4efe8beb52fcfc2o.jpg_q80.jpg

1167 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

572 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

715 ms

roboto-regular.woff

roboto-regular.woff

43 ms

roboto-medium.woff

roboto-medium.woff

148 ms

roboto-light.woff

roboto-light.woff

35 ms

roboto-thin.woff

roboto-thin.woff

57 ms

roboto-bold.woff

roboto-bold.woff

64 ms

Hc53565b3091a4309aa18a370dd6c9951K.jpg

Hc53565b3091a4309aa18a370dd6c9951K.jpg

412 ms

H0c7be74dd7494d6095bb9d27fbec86ccM.jpg

H0c7be74dd7494d6095bb9d27fbec86ccM.jpg

182 ms

72 ms

Hf2cf5444806741e4a99f60df83cc4ac5l.jpg

Hf2cf5444806741e4a99f60df83cc4ac5l.jpg

1683 ms

awsc.js

awsc.js

185 ms

20 ms

eg.js

eg.js

112 ms

sc.globalxman.appscene

sc.globalxman.appscene

66 ms

icon-font.woff

icon-font.woff

72 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

153 ms

footer.css

footer.css

66 ms

personTipsInfo.do

personTipsInfo.do

63 ms

sc.migrate.event

sc.migrate.event

39 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

39 ms

19 ms

7.gif

7.gif

13 ms

index.js

index.js

48 ms

index.js

index.js

56 ms

et_n.js

et_n.js

193 ms

um.js

um.js

183 ms

light0.5x.png

light0.5x.png

46 ms

pages_version.html

pages_version.html

291 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

30 ms

defer-common.js

defer-common.js

46 ms

i.alicdn.com

i.alicdn.com

44 ms

index.js

index.js

30 ms

baxiaCommon.js

baxiaCommon.js

131 ms

rp

rp

2225 ms

index.js

index.js

100 ms

store-proxy.html

store-proxy.html

212 ms

countryCurrencyDataService

countryCurrencyDataService

223 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

69 ms

personRoleInfo.do

personRoleInfo.do

68 ms

notification.do

notification.do

200 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

48 ms

wu.json

wu.json

37 ms

index.web.css

index.web.css

159 ms

index.web.js

index.web.js

58 ms

availableSurveyQuery.json

availableSurveyQuery.json

46 ms

um.json

um.json

53 ms

iconfont.woff

iconfont.woff

24 ms

iconfont.woff

iconfont.woff

16 ms

getUmid.do

getUmid.do

8 ms

index.js

index.js

43 ms

index.css

index.css

15 ms

Accessibility Review

zstelectronics.en.alibaba.com accessibility score

43

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.

Best Practices

zstelectronics.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

zstelectronics.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 Zstelectronics.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 Zstelectronics.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

zstelectronics.en.alibaba.com

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