Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

volts.ca

Volts Energies|#1 Online Store of Generators, Solar Panels & Batteries – Volts energies

Page Load Speed

7 sec in total

First Response

561 ms

Resources Loaded

5.4 sec

Page Rendered

1 sec

volts.ca screenshot

About Website

Welcome to volts.ca homepage info - get ready to check Volts best content for Canada right away, or after learning these important things about volts.ca

Canada's largest online retailer of Generators, Renewable Energy Products, Solar, Heaters, Solar panels & Batteries. A complete range of Victron Energy, Generac and Sterling Power Brands. Shop now...

Visit volts.ca

Key Findings

We analyzed Volts.ca page load time and found that the first response time was 561 ms and then it took 6.4 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

volts.ca performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value5,590 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value50.2 s

0/100

10%

Network Requests Diagram

volts.ca

561 ms

f1ea1bf574bdee542f52de463.js

563 ms

js

250 ms

theme.scss.css

61 ms

preloads.js

71 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 34% of them (41 requests) were addressed to the original Volts.ca, 18% (21 requests) were made to Cdn.shopify.com and 9% (11 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Cdn.shopify.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.2 MB (9%)

Content Size

37.6 MB

After Optimization

34.4 MB

In fact, the total size of Volts.ca main page is 37.6 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. Only a small number of websites need less resources to load. Images take 34.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 685.7 kB

  • Original 801.4 kB
  • After minification 761.3 kB
  • After compression 115.7 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 685.7 kB or 86% of the original size.

Image Optimization

-6%

Potential reduce by 2.2 MB

  • Original 34.1 MB
  • After minification 31.9 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. Volts images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 360.6 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 843.9 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 360.6 kB or 30% of the original size.

CSS Optimization

-0%

Potential reduce by 564 B

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 1.5 MB

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. Volts.ca has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 69 (62%)

Requests Now

111

After Optimization

42

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Volts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 55 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

volts.ca accessibility score

73

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best Practices

volts.ca best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

volts.ca SEO score

84

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Volts.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 Volts.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 data is detected on the main page of Volts. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: