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

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

carspa.en.alibaba.com

Company Overview - Zhejiang Carspa New Energy Co., Ltd.

Page Load Speed

5.6 sec in total

First Response

1.4 sec

Resources Loaded

3.9 sec

Page Rendered

344 ms

carspa.en.alibaba.com screenshot

About Website

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

Zhejiang Carspa New Energy Co., Ltd. Products:Power Inverter, Solar Charge Controller, Battery Charge, Solar Power System

Visit carspa.en.alibaba.com

Key Findings

We analyzed Carspa.en.alibaba.com page load time and found that the first response time was 1.4 sec and then it took 4.2 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

carspa.en.alibaba.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value3,180 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value26.8 s

0/100

10%

Network Requests Diagram

carspa.en.alibaba.com

1429 ms

carspa.en.alibaba.com

166 ms

17 ms

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

266 ms

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

259 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Carspa.en.alibaba.com, 52% (17 requests) were made to S.alicdn.com and 9% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 568.9 kB (35%)

Content Size

1.6 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Carspa.en.alibaba.com main page is 1.6 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 220.3 kB

  • Original 285.3 kB
  • After minification 284.6 kB
  • After compression 65.0 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 220.3 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 985 B

  • Original 41.7 kB
  • After minification 40.8 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. Carspa En Alibaba images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 347.6 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 347.6 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (61%)

Requests Now

31

After Optimization

12

  • AJAX
  • Images
  • JavaScript

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carspa 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

carspa.en.alibaba.com

carspa.en.alibaba.com

1429 ms

carspa.en.alibaba.com

carspa.en.alibaba.com

166 ms

17 ms

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

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

266 ms

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

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

259 ms

index.js

index.js

283 ms

index.js

index.js

288 ms

renderHeader.js

renderHeader.js

275 ms

Hce26e7d8548842c0a2229ab7bb2bf86aQ.jpg

Hce26e7d8548842c0a2229ab7bb2bf86aQ.jpg

466 ms

H2117e47f90b14fa5bed6383b9541d58bw.jpg

H2117e47f90b14fa5bed6383b9541d58bw.jpg

1073 ms

H31096cb52e5743ae9592a21a25535608k.jpg

H31096cb52e5743ae9592a21a25535608k.jpg

2297 ms

awsc.js

awsc.js

50 ms

17 ms

Hdd92543bb517458b8efbcdc8062fc986j.jpg

Hdd92543bb517458b8efbcdc8062fc986j.jpg

443 ms

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

293 ms

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O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

292 ms

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

311 ms

H4d8ecae6bf1a4ddab08a6f34de5104eao.jpg

H4d8ecae6bf1a4ddab08a6f34de5104eao.jpg

1456 ms

7.gif

7.gif

21 ms

Hd5dfc0fed978497bb2a6e56c1f577a1bt.jpg

Hd5dfc0fed978497bb2a6e56c1f577a1bt.jpg

929 ms

H190e31fe3c0e4314ae228a60cfe8dc7bA.jpg

H190e31fe3c0e4314ae228a60cfe8dc7bA.jpg

1583 ms

Ha3832e9ab087453a888430d89f23fb6f1.jpg

Ha3832e9ab087453a888430d89f23fb6f1.jpg

1697 ms

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H222a49baf8544d60b4b1ba0308c5280e3.jpg

1476 ms

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H05b129c5b3404ca4be67c763b0014323u.jpg

1257 ms

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H13eb8530a53f429bbe11266f1c2f5738X.jpg

1558 ms

H3052f2755fd84b6a9595f501ca5310e0M.jpg

H3052f2755fd84b6a9595f501ca5310e0M.jpg

763 ms

et_n.js

et_n.js

7 ms

um.js

um.js

86 ms

wu.json

wu.json

495 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

308 ms

eg.js

eg.js

3 ms

index.js

index.js

10 ms

Accessibility Review

carspa.en.alibaba.com accessibility score

40

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

carspa.en.alibaba.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

carspa.en.alibaba.com SEO score

86

Search Engine Optimization Advices

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 Carspa.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 Carspa.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

carspa.en.alibaba.com

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