Tools & Wizards About Us
verniercanada.ca screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

verniercanada.ca

Science Probeware & Experiment Software for Teachers | Vernier Canada

Page Load Speed

3.6 sec in total

First Response

87 ms

Resources Loaded

3 sec

Page Rendered

553 ms

verniercanada.ca screenshot

About Website

Click here to check amazing Vernier Canada content. Otherwise, check out these important facts you probably never knew about verniercanada.ca

Vernier provides teachers with the tools to encourage curiosity in all students – high quality science probeware, experiment software, and resources.

Visit verniercanada.ca

Key Findings

We analyzed Verniercanada.ca page load time and found that the first response time was 87 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

verniercanada.ca performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value1,720 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.444

21/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

verniercanada.ca

87 ms

www.verniercanada.ca

60 ms

www.verniercanada.ca

137 ms

vendors-style.css

34 ms

style.css

38 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 58% of them (91 requests) were addressed to the original Verniercanada.ca, 33% (51 requests) were made to Fonts.gstatic.com and 3% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Verniercanada.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 525.2 kB (18%)

Content Size

2.9 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Verniercanada.ca main page is 2.9 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. Only a small number of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 479.3 kB

  • Original 544.7 kB
  • After minification 538.9 kB
  • After compression 65.5 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 479.3 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 28 B

  • Original 1.7 MB
  • After minification 1.7 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. Vernier Canada images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 43.7 kB

  • Original 528.6 kB
  • After minification 528.6 kB
  • After compression 485.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 2.2 kB

  • Original 178.1 kB
  • After minification 177.9 kB
  • After compression 175.9 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. Verniercanada.ca has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 69 (73%)

Requests Now

95

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vernier Canada. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

verniercanada.ca

verniercanada.ca

87 ms

www.verniercanada.ca

www.verniercanada.ca

60 ms

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www.verniercanada.ca

137 ms

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Accessibility Review

verniercanada.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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

verniercanada.ca best practices score

83

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

Browser errors were logged to the console

SEO Factors

verniercanada.ca SEO score

91

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

Links do not have descriptive text

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Verniercanada.ca 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 Verniercanada.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

verniercanada.ca

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