Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

zhsydz.en.alibaba.com

Company Overview - Zhuhai Shuangye Electronic Technology Co., Ltd.

Page Load Speed

21.8 sec in total

First Response

464 ms

Resources Loaded

20.8 sec

Page Rendered

522 ms

zhsydz.en.alibaba.com screenshot

About Website

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

Zhuhai Shuangye Electronic Technology Co., Ltd. Products:Electric Mountain Bike, Electric City Bike, Electric Fat Bike, Electric Folding Bike, Electric Cargo Bike

Visit zhsydz.en.alibaba.com

Key Findings

We analyzed Zhsydz.en.alibaba.com page load time and found that the first response time was 464 ms and then it took 21.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zhsydz.en.alibaba.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value15.4 s

0/100

10%

TBT (Total Blocking Time)

Value7,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value30.6 s

0/100

10%

Network Requests Diagram

zhsydz.en.alibaba.com

464 ms

zhsydz.en.alibaba.com

311 ms

236 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

31 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

30 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Zhsydz.en.alibaba.com, 24% (8 requests) were made to Sc04.alicdn.com and 18% (6 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 535.8 kB (35%)

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Zhsydz.en.alibaba.com main page is 1.5 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. 40% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 340.3 kB

  • Original 419.1 kB
  • After minification 418.4 kB
  • After compression 78.8 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 340.3 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 641 B

  • Original 42.1 kB
  • After minification 41.5 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. Zhsydz En Alibaba images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 194.9 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 885.0 kB

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 194.9 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (40%)

Requests Now

30

After Optimization

18

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhsydz 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 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zhsydz.en.alibaba.com accessibility score

69

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<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

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

zhsydz.en.alibaba.com best practices score

75

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zhsydz.en.alibaba.com SEO score

86

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

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 Zhsydz.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 Zhsydz.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

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