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

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dynavoltbike.en.alibaba.com

Company Overview - Suzhou Dynavolt Intelligent Vehicle Technology Co., Ltd.

Page Load Speed

6.5 sec in total

First Response

384 ms

Resources Loaded

5.7 sec

Page Rendered

476 ms

dynavoltbike.en.alibaba.com screenshot

About Website

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

Suzhou Dynavolt Intelligent Vehicle Technology Co., Ltd. Products:Electric Scooter, Electric Bicycle

Visit dynavoltbike.en.alibaba.com

Key Findings

We analyzed Dynavoltbike.en.alibaba.com page load time and found that the first response time was 384 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dynavoltbike.en.alibaba.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value11,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

dynavoltbike.en.alibaba.com

384 ms

dynavoltbike.en.alibaba.com

256 ms

72 ms

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

50 ms

index.js

69 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Dynavoltbike.en.alibaba.com, 39% (20 requests) were made to Sc04.alicdn.com and 24% (12 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (5 sec) relates to the external source Img.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 982.0 kB (49%)

Content Size

2.0 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dynavoltbike.en.alibaba.com main page is 2.0 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. 30% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 438.6 kB

  • Original 532.9 kB
  • After minification 529.9 kB
  • After compression 94.4 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 438.6 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 352 B

  • Original 39.5 kB
  • After minification 39.2 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. Dynavolt Bike En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 543.1 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.3 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 543.1 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (53%)

Requests Now

49

After Optimization

23

  • AJAX
  • Images
  • JavaScript

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dynavolt 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

dynavoltbike.en.alibaba.com

dynavoltbike.en.alibaba.com

384 ms

dynavoltbike.en.alibaba.com

dynavoltbike.en.alibaba.com

256 ms

72 ms

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

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

50 ms

index.js

index.js

69 ms

index.js

index.js

58 ms

renderHeader.js

renderHeader.js

60 ms

H690fe98991ec4f0fbc07d2fce0b741f7S.jpg

H690fe98991ec4f0fbc07d2fce0b741f7S.jpg

304 ms

awsc.js

awsc.js

19 ms

25 ms

et_n.js

et_n.js

32 ms

um.js

um.js

32 ms

7.gif

7.gif

180 ms

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H6805a92cfa7949918e418d3c1bc48ca2o.jpg

485 ms

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654 ms

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144 ms

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350 ms

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48V-750W-1000W-Power-China-Cheap-Full.jpg

275 ms

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Cheap-Price-48V-750W-1000W-Aluminium-Alloy.jpg

274 ms

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48v-750w-1000w-Cheap-Price-Mountain-Fat.jpg

363 ms

China-3wheel-Foldable-Charge-Power-Scooter-Adult.jpg

China-3wheel-Foldable-Charge-Power-Scooter-Adult.jpg

293 ms

Wholesale-Cheap-Hot-Sale-350wt-Powerful-Fast.jpg

Wholesale-Cheap-Hot-Sale-350wt-Powerful-Fast.jpg

238 ms

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H916617142eef445fb9db4400a15f7c99M.jpg

345 ms

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472 ms

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417 ms

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618 ms

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767 ms

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575 ms

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574 ms

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863 ms

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801 ms

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771 ms

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917 ms

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1223 ms

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1083 ms

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1427 ms

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994 ms

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1095 ms

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1076 ms

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1476 ms

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1078 ms

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1556 ms

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1163 ms

TB2JwyrchBmpuFjSZFDXXXD8pXa-456989075.gif

TB2JwyrchBmpuFjSZFDXXXD8pXa-456989075.gif

4958 ms

TB2WcD9iFXXXXcfXpXXXXXXXXXX-456989075.gif

TB2WcD9iFXXXXcfXpXXXXXXXXXX-456989075.gif

2300 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

702 ms

wu.json

wu.json

357 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

25 ms

eg.js

eg.js

3 ms

index.js

index.js

6 ms

Accessibility Review

dynavoltbike.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

dynavoltbike.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

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

SEO Factors

dynavoltbike.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 Dynavoltbike.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 Dynavoltbike.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

dynavoltbike.en.alibaba.com

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