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Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

canadian-solar.ca

Canadian Solar – Global

Page Load Speed

12.4 sec in total

First Response

5.5 sec

Resources Loaded

6.4 sec

Page Rendered

449 ms

About Website

Welcome to canadian-solar.ca homepage info - get ready to check Canadian Solar best content right away, or after learning these important things about canadian-solar.ca

Dr. Shawn Qu, Chairman, President and Chief Executive Officer founded Canadian Solar (NASDAQ: CSIQ) in 2001 in Canada, with a bold mission: to foster sustainable development and to create a better and...

Visit canadian-solar.ca

Key Findings

We analyzed Canadian-solar.ca page load time and found that the first response time was 5.5 sec and then it took 6.8 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

canadian-solar.ca performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.714

7/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

www.canadiansolar.com

5541 ms

js

65 ms

vhs-assets-styled-bootstrap-awesome-ui-font-nst-selectric-default-style-jbox.css

206 ms

analytics.js

53 ms

vhs-assets-css-2909edac70df3ce183b835cb7d96008f.png

38 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Canadian-solar.ca, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (5.5 sec) relates to the external source Canadiansolar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (23%)

Content Size

5.1 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Canadian-solar.ca main page is 5.1 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. 45% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 16.3 kB

  • Original 22.1 kB
  • After minification 22.1 kB
  • After compression 5.8 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 16.3 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 27.7 kB

  • Original 3.1 MB
  • After minification 3.1 MB

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. Canadian Solar images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 564.2 kB

  • Original 776.5 kB
  • After minification 722.6 kB
  • After compression 212.4 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 564.2 kB or 73% of the original size.

CSS Optimization

-47%

Potential reduce by 550.1 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 613.3 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. Canadian-solar.ca needs all CSS files to be minified and compressed as it can save up to 550.1 kB or 47% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

27

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Canadian Solar. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

canadian-solar.ca accessibility score

87

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

canadian-solar.ca 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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

canadian-solar.ca SEO score

76

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

High

robots.txt is not valid

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Canadian-solar.ca can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Canadian-solar.ca 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

Open Graph description is not detected on the main page of Canadian Solar. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: