Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

jas3heatingcooling.ca

Home - HVAC Specialists in Kitchener, Waterloo, Guelph JAS3 Heating Cooling

Page Load Speed

804 ms in total

First Response

98 ms

Resources Loaded

553 ms

Page Rendered

153 ms

jas3heatingcooling.ca screenshot

About Website

Click here to check amazing JAS3 Heating Cooling content. Otherwise, check out these important facts you probably never knew about jas3heatingcooling.ca

JAS 3Ltd. 24Hour Emergency Services, specializes in sales and service of all types HVAC equipment in Kitchener, Cambridge, Guelph, Tri Cities, Call at 519-741-8643.

Visit jas3heatingcooling.ca

Key Findings

We analyzed Jas3heatingcooling.ca page load time and found that the first response time was 98 ms and then it took 706 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

jas3heatingcooling.ca performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.15

76/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

jas3heatingcooling.ca

98 ms

www.jas3heatingcooling.ca

284 ms

bootstrap.css

15 ms

bootstrap-xxs.css

24 ms

bootstrap-xl-xxl.css

28 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that all of those requests were addressed to Jas3heatingcooling.ca and no external sources were called. The less responsive or slowest element that took the longest time to load (284 ms) belongs to the original domain Jas3heatingcooling.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 184.4 kB (15%)

Content Size

1.2 MB

After Optimization

1.0 MB

In fact, the total size of Jas3heatingcooling.ca main page is 1.2 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. 50% of websites need less resources to load. Images take 988.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 20.4 kB

  • Original 25.0 kB
  • After minification 17.9 kB
  • After compression 4.7 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. This page needs HTML code to be minified as it can gain 7.1 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 20.4 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 112.1 kB

  • Original 988.7 kB
  • After minification 876.6 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, JAS3 Heating Cooling needs image optimization as it can save up to 112.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 31.8 kB

  • Original 124.2 kB
  • After minification 124.1 kB
  • After compression 92.4 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 31.8 kB or 26% of the original size.

CSS Optimization

-32%

Potential reduce by 20.2 kB

  • Original 62.1 kB
  • After minification 62.1 kB
  • After compression 41.9 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. Jas3heatingcooling.ca needs all CSS files to be minified and compressed as it can save up to 20.2 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (56%)

Requests Now

36

After Optimization

16

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JAS3 Heating Cooling. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jas3heatingcooling.ca accessibility score

92

Accessibility Issues

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-*] attributes do not match their roles

Best Practices

jas3heatingcooling.ca best practices score

83

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

Page has valid source maps

SEO Factors

jas3heatingcooling.ca SEO score

85

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

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 Jas3heatingcooling.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 Jas3heatingcooling.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 JAS3 Heating Cooling. 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: