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

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

szstarav.en.alibaba.com

Shenzhen Star Audio Visual Equipment Co., Ltd. - Home theater projector, Projector Android

Page Load Speed

4.3 sec in total

First Response

239 ms

Resources Loaded

3.9 sec

Page Rendered

224 ms

szstarav.en.alibaba.com screenshot

About Website

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

Shenzhen Star Audio Visual Equipment Co., Ltd., Experts in Manufacturing and Exporting Home theater projector, Projector Android and 0 more Products.

Visit szstarav.en.alibaba.com

Key Findings

We analyzed Szstarav.en.alibaba.com page load time and found that the first response time was 239 ms and then it took 4.1 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

szstarav.en.alibaba.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value6,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.297

40/100

15%

TTI (Time to Interactive)

Value26.7 s

0/100

10%

Network Requests Diagram

szstarav.en.alibaba.com

239 ms

szstarav.en.alibaba.com

619 ms

113 ms

110 ms

header.css

146 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 Szstarav.en.alibaba.com, 44% (33 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 (2.6 sec) relates to the external source Notification.alibaba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.5 MB (60%)

Content Size

5.8 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szstarav.en.alibaba.com main page is 5.8 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 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 328.2 kB

  • Original 411.1 kB
  • After minification 407.2 kB
  • After compression 82.9 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 328.2 kB or 80% 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 Star Av 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

-58%

Potential reduce by 2.8 MB

  • Original 4.9 MB
  • After minification 4.9 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 2.8 MB or 58% of the original size.

CSS Optimization

-72%

Potential reduce by 284.8 kB

  • Original 396.6 kB
  • After minification 345.7 kB
  • After compression 111.8 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. Szstarav.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.8 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (66%)

Requests Now

64

After Optimization

22

  • 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 Star Av 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

szstarav.en.alibaba.com

szstarav.en.alibaba.com

239 ms

szstarav.en.alibaba.com

szstarav.en.alibaba.com

619 ms

113 ms

110 ms

header.css

header.css

146 ms

header.js

header.js

169 ms

22 ms

web-index.css

web-index.css

144 ms

web-index.css

web-index.css

144 ms

web-index.css

web-index.css

154 ms

web-index.css

web-index.css

154 ms

web-index.css

web-index.css

153 ms

218 ms

200 ms

index.js

index.js

201 ms

Hcea0d447b0bd4dd5951560ef54e92247f.jpg

Hcea0d447b0bd4dd5951560ef54e92247f.jpg

327 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

330 ms

H033ce45178e842829e6b0f9a723f9385a.jpg

H033ce45178e842829e6b0f9a723f9385a.jpg

166 ms

H71cfe7f4ab4a41e9b00d11d2b3e818ddI.jpg_q80.jpg

H71cfe7f4ab4a41e9b00d11d2b3e818ddI.jpg_q80.jpg

166 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

405 ms

H3809c3d7a6b0434ea15e45ac710d237aG.jpg

H3809c3d7a6b0434ea15e45ac710d237aG.jpg

755 ms

Hdca7778eb12d4555a594ee532c787459T.jpg

Hdca7778eb12d4555a594ee532c787459T.jpg

327 ms

Hba6bdb8dfe6b4740805db778d95614a4E.jpg

Hba6bdb8dfe6b4740805db778d95614a4E.jpg

326 ms

Hd18cf9d2f34748498962a654178837a0M.jpg

Hd18cf9d2f34748498962a654178837a0M.jpg

409 ms

H8fe2ae107d5a46f593c7c6370d66b6d79.jpg

H8fe2ae107d5a46f593c7c6370d66b6d79.jpg

406 ms

H19adb22d46c546059dee50cc384480d2d.jpg

H19adb22d46c546059dee50cc384480d2d.jpg

405 ms

awsc.js

awsc.js

177 ms

61 ms

65 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

63 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

90 ms

Heac5010d16414d34b1816d4222567c46L.jpg

Heac5010d16414d34b1816d4222567c46L.jpg

149 ms

roboto-regular.woff

roboto-regular.woff

129 ms

roboto-medium.woff

roboto-medium.woff

135 ms

roboto-light.woff

roboto-light.woff

140 ms

roboto-thin.woff

roboto-thin.woff

169 ms

roboto-bold.woff

roboto-bold.woff

144 ms

personTipsInfo.do

personTipsInfo.do

180 ms

eg.js

eg.js

672 ms

sc.globalxman.appscene

sc.globalxman.appscene

606 ms

icon-font.woff

icon-font.woff

24 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

170 ms

footer.css

footer.css

29 ms

36 ms

et_f.js

et_f.js

67 ms

um.js

um.js

144 ms

light0.5x.png

light0.5x.png

46 ms

pages_version.html

pages_version.html

249 ms

defer-common.js

defer-common.js

247 ms

i.alicdn.com

i.alicdn.com

244 ms

index.js

index.js

88 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

518 ms

index.js

index.js

81 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

39 ms

index.css

index.css

26 ms

wu.json

wu.json

351 ms

index.js

index.js

238 ms

index.web.css

index.web.css

143 ms

index.web.js

index.web.js

142 ms

store-proxy.html

store-proxy.html

121 ms

countryCurrencyDataService

countryCurrencyDataService

188 ms

personRoleInfo.do

personRoleInfo.do

162 ms

notification.do

notification.do

2590 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

138 ms

availableSurveyQuery.json

availableSurveyQuery.json

99 ms

iconfont.woff

iconfont.woff

14 ms

iconfont.woff

iconfont.woff

7 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

7 ms

index.js

index.js

5 ms

index.js

index.js

13 ms

7.gif

7.gif

2 ms

baxiaCommon.js

baxiaCommon.js

8 ms

rp

rp

1083 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

10 ms

Accessibility Review

szstarav.en.alibaba.com accessibility score

69

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

szstarav.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

szstarav.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 Szstarav.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 Szstarav.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

szstarav.en.alibaba.com

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