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

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

rosensolar.en.alibaba.com

Company Overview - Rosen Solar Energy Co., Ltd.

Page Load Speed

2.7 sec in total

First Response

298 ms

Resources Loaded

1.9 sec

Page Rendered

456 ms

rosensolar.en.alibaba.com screenshot

About Website

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

Rosen Solar Energy Co., Ltd. Products:Solar Panel, Solar System, Lithium Battery, AGM/GEL Battery, Solar Energy Storage System

Visit rosensolar.en.alibaba.com

Key Findings

We analyzed Rosensolar.en.alibaba.com page load time and found that the first response time was 298 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rosensolar.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

rosensolar.en.alibaba.com

298 ms

rosensolar.en.alibaba.com

354 ms

55 ms

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

54 ms

index.js

87 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Rosensolar.en.alibaba.com, 32% (12 requests) were made to S.alicdn.com and 16% (6 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (697 ms) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (53%)

Content Size

2.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rosensolar.en.alibaba.com main page is 2.1 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

-85%

Potential reduce by 594.1 kB

  • Original 698.9 kB
  • After minification 698.1 kB
  • After compression 104.8 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 594.1 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 37 B

  • Original 14.8 kB
  • After minification 14.7 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. Rosen Solar En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 542.9 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.2 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 542.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (63%)

Requests Now

35

After Optimization

13

  • AJAX
  • Images
  • JavaScript

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosen Solar 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

rosensolar.en.alibaba.com

rosensolar.en.alibaba.com

298 ms

rosensolar.en.alibaba.com

rosensolar.en.alibaba.com

354 ms

55 ms

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

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

54 ms

index.js

index.js

87 ms

index.js

index.js

66 ms

renderHeader.js

renderHeader.js

74 ms

awsc.js

awsc.js

62 ms

22 ms

7.gif

7.gif

122 ms

et_n.js

et_n.js

17 ms

um.js

um.js

114 ms

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

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

79 ms

H0f8f98979773446cab9cfbcdccd68146x.png

H0f8f98979773446cab9cfbcdccd68146x.png

169 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

191 ms

H3f1856aac8284c70b19a3d100cb1a964e.png_100x100.png

H3f1856aac8284c70b19a3d100cb1a964e.png_100x100.png

124 ms

Heed96aa621854f3da1e590a82843c3ff4.jpg_100x100.jpg

Heed96aa621854f3da1e590a82843c3ff4.jpg_100x100.jpg

105 ms

H4a065797e2c34dd0afdaa24bce9ae4ab7.jpg_100x100.jpg

H4a065797e2c34dd0afdaa24bce9ae4ab7.jpg_100x100.jpg

104 ms

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

108 ms

H5d22c75d0ad649539f72d3153d1c1e67B.jpeg_100x100.jpeg

H5d22c75d0ad649539f72d3153d1c1e67B.jpeg_100x100.jpeg

109 ms

Ha64a0f54efa24022b4303ddccfe19927W.png_100x100.png

Ha64a0f54efa24022b4303ddccfe19927W.png_100x100.png

117 ms

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

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

92 ms

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

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

99 ms

H5099b62f1a9045738c9778c95e3f99332.jpg

H5099b62f1a9045738c9778c95e3f99332.jpg

196 ms

H9219575865aa4c80aecb12b52fbfe4edt.jpg

H9219575865aa4c80aecb12b52fbfe4edt.jpg

697 ms

H60d28bba31ef47c2a65ca95515b43f34U.jpg

H60d28bba31ef47c2a65ca95515b43f34U.jpg

526 ms

A139b46478bcd437da8eb878784e47a500.jpg

A139b46478bcd437da8eb878784e47a500.jpg

691 ms

H17f3029617c744369bee8d70b1a0cfedi.jpg

H17f3029617c744369bee8d70b1a0cfedi.jpg

302 ms

H50d21b6981ff4357a72163c8fad4e4aeh.jpg

H50d21b6981ff4357a72163c8fad4e4aeh.jpg

267 ms

H3976bfb1a27f4670a19c360f17bf8d5cH.jpg

H3976bfb1a27f4670a19c360f17bf8d5cH.jpg

329 ms

Hac3fe7ce12a94294bfd276367ffdf6edX.jpg

Hac3fe7ce12a94294bfd276367ffdf6edX.jpg

342 ms

H38db590034014f99b7acd5aca5fab0a0a.jpg

H38db590034014f99b7acd5aca5fab0a0a.jpg

318 ms

wu.json

wu.json

358 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

24 ms

eg.js

eg.js

3 ms

index.js

index.js

5 ms

Accessibility Review

rosensolar.en.alibaba.com accessibility score

68

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

rosensolar.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

rosensolar.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 Rosensolar.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 Rosensolar.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

rosensolar.en.alibaba.com

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