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

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

thunderebike.en.alibaba.com

Company Overview - Huzhou Thunder Electric Bike Co., Ltd.

Page Load Speed

1.9 sec in total

First Response

21 ms

Resources Loaded

1.7 sec

Page Rendered

234 ms

thunderebike.en.alibaba.com screenshot

About Website

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

Huzhou Thunder Electric Bike Co., Ltd. Products:Electric Bicycle,Electric Scooter,Electric Motorcycle,Electric Tricycle,Electric Bike Conversion Kits

Visit thunderebike.en.alibaba.com

Key Findings

We analyzed Thunderebike.en.alibaba.com page load time and found that the first response time was 21 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

thunderebike.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value4,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.221

56/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

Network Requests Diagram

thunderebike.en.alibaba.com

21 ms

thunderebike.en.alibaba.com

417 ms

61 ms

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

41 ms

index.js

58 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Thunderebike.en.alibaba.com, 45% (13 requests) were made to S.alicdn.com and 10% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (937 ms) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (54%)

Content Size

2.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Thunderebike.en.alibaba.com main page is 2.3 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 873.6 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 139.8 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 873.6 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.8 kB
  • After minification 4.8 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. Thunder E Bike En Alibaba images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 392.6 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 929.9 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 392.6 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (67%)

Requests Now

27

After Optimization

9

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thunder E Bike 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

thunderebike.en.alibaba.com

thunderebike.en.alibaba.com

21 ms

thunderebike.en.alibaba.com

thunderebike.en.alibaba.com

417 ms

61 ms

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

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

41 ms

index.js

index.js

58 ms

index.js

index.js

44 ms

renderHeader.js

renderHeader.js

56 ms

Hc6653fb67859463686b9ca5d678ddc30E.jpg

Hc6653fb67859463686b9ca5d678ddc30E.jpg

474 ms

H970bb8e3a91b4c2594e6214384826003J.jpg

H970bb8e3a91b4c2594e6214384826003J.jpg

54 ms

H835be217fc7b494184c807f9d1f88cb1V.jpg

H835be217fc7b494184c807f9d1f88cb1V.jpg

188 ms

awsc.js

awsc.js

39 ms

11 ms

7.gif

7.gif

238 ms

et_n.js

et_n.js

6 ms

um.js

um.js

83 ms

wu.json

wu.json

137 ms

H6daef965ec9c4ce6b73ea35eca73d62ah.jpg

H6daef965ec9c4ce6b73ea35eca73d62ah.jpg

937 ms

Hff444b30679641da9b0d3104342fae219.jpg

Hff444b30679641da9b0d3104342fae219.jpg

608 ms

He0fb10f812484fc9818338895179ed32a.jpg

He0fb10f812484fc9818338895179ed32a.jpg

176 ms

H7b31125129b6434faf806dc8e7ea9a02c.jpg

H7b31125129b6434faf806dc8e7ea9a02c.jpg

202 ms

H4401a5c402124d279faf70a852665d420.jpg

H4401a5c402124d279faf70a852665d420.jpg

168 ms

H3327cd496d114679b4c55d950590ec6fE.jpg

H3327cd496d114679b4c55d950590ec6fE.jpg

644 ms

He917ac75938a48a5a92b0b7145315ab7r.jpg

He917ac75938a48a5a92b0b7145315ab7r.jpg

241 ms

Had670206dd5546939fedeaf3d818c907v.jpg

Had670206dd5546939fedeaf3d818c907v.jpg

429 ms

H2e51730749db4cfca4c181472acf4cd5Y.jpg

H2e51730749db4cfca4c181472acf4cd5Y.jpg

623 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

255 ms

eg.js

eg.js

2 ms

index.js

index.js

10 ms

Accessibility Review

thunderebike.en.alibaba.com accessibility score

74

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.

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

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

thunderebike.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

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

thunderebike.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

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 Thunderebike.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 Thunderebike.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

thunderebike.en.alibaba.com

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