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

Report Summary

  • 16

    Performance

    Renders faster than
    30% 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

  • 71

    SEO

    Google-friendlier than
    30% of websites

rosensolar.en.alibaba.com

Rosen Solar Energy Co., Ltd. - Solar Panel, Solar System

Page Load Speed

3.4 sec in total

First Response

301 ms

Resources Loaded

2.6 sec

Page Rendered

462 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., Experts in Manufacturing and Exporting Solar Panel, Solar System and 0 more Products.

Visit rosensolar.en.alibaba.com

Key Findings

We analyzed Rosensolar.en.alibaba.com page load time and found that the first response time was 301 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

rosensolar.en.alibaba.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value18.6 s

0/100

10%

TBT (Total Blocking Time)

Value4,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.189

65/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

rosensolar.en.alibaba.com

301 ms

rosensolar.en.alibaba.com

715 ms

43 ms

38 ms

header.css

40 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Rosensolar.en.alibaba.com, 49% (49 requests) were made to S.alicdn.com and 7% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (52%)

Content Size

3.8 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rosensolar.en.alibaba.com main page is 3.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 636.1 kB

  • Original 751.4 kB
  • After minification 747.5 kB
  • After compression 115.4 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 636.1 kB or 85% of the original size.

Image Optimization

-24%

Potential reduce by 137.1 kB

  • Original 577.9 kB
  • After minification 440.8 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. Obviously, Rosen Solar En Alibaba needs image optimization as it can save up to 137.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-42%

Potential reduce by 909.8 kB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 1.3 MB

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 909.8 kB or 42% of the original size.

CSS Optimization

-88%

Potential reduce by 283.6 kB

  • Original 321.3 kB
  • After minification 270.4 kB
  • After compression 37.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Rosensolar.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.6 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (52%)

Requests Now

88

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 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 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rosensolar.en.alibaba.com

rosensolar.en.alibaba.com

301 ms

rosensolar.en.alibaba.com

rosensolar.en.alibaba.com

715 ms

43 ms

38 ms

header.css

header.css

40 ms

header.js

header.js

87 ms

161 ms

web-index.css

web-index.css

85 ms

web-index.css

web-index.css

87 ms

web-index.css

web-index.css

85 ms

web-index.css

web-index.css

86 ms

web-index.css

web-index.css

88 ms

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157 ms

355 ms

93 ms

index.js

index.js

137 ms

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471 ms

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310 ms

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297 ms

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81 ms

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80 ms

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585 ms

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509 ms

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508 ms

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296 ms

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296 ms

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304 ms

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295 ms

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295 ms

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1538 ms

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259 ms

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296 ms

roboto-regular.woff

roboto-regular.woff

79 ms

roboto-medium.woff

roboto-medium.woff

114 ms

roboto-light.woff

roboto-light.woff

128 ms

roboto-thin.woff

roboto-thin.woff

222 ms

roboto-bold.woff

roboto-bold.woff

258 ms

121 ms

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442 ms

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479 ms

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745 ms

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853 ms

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613 ms

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1143 ms

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1344 ms

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654 ms

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836 ms

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777 ms

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883 ms

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982 ms

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1014 ms

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1029 ms

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1797 ms

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1116 ms

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1846 ms

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1343 ms

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783 ms

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809 ms

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551 ms

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271 ms

personTipsInfo.do

personTipsInfo.do

246 ms

awsc.js

awsc.js

247 ms

155 ms

926 ms

icon-font.woff

icon-font.woff

977 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

122 ms

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358 ms

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419 ms

footer.css

footer.css

927 ms

eg.js

eg.js

39 ms

sc.globalxman.appscene

sc.globalxman.appscene

7 ms

index.js

index.js

19 ms

index.js

index.js

20 ms

7.gif

7.gif

18 ms

et_n.js

et_n.js

21 ms

um.js

um.js

103 ms

baxiaCommon.js

baxiaCommon.js

10 ms

rp

rp

929 ms

wu.json

wu.json

22 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

29 ms

light0.5x.png

light0.5x.png

65 ms

pages_version.html

pages_version.html

50 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

19 ms

defer-common.js

defer-common.js

124 ms

i.alicdn.com

i.alicdn.com

122 ms

index.js

index.js

19 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

81 ms

index.web.css

index.web.css

79 ms

index.web.js

index.web.js

6 ms

availableSurveyQuery.json

availableSurveyQuery.json

180 ms

index.js

index.js

152 ms

store-proxy.html

store-proxy.html

193 ms

countryCurrencyDataService

countryCurrencyDataService

128 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

101 ms

personRoleInfo.do

personRoleInfo.do

91 ms

notification.do

notification.do

105 ms

iconfont.woff

iconfont.woff

4 ms

iconfont.woff

iconfont.woff

20 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

71

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

High

Document doesn't have a valid hreflang

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: