Tools & Wizards About Us
supervent.ca screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

supervent.ca

We offer a wide selection of residential HVAC products includes direct, pellet, type B gas vents, and other venting solutions for modern fireplaces, f...

Page Load Speed

8.4 sec in total

First Response

57 ms

Resources Loaded

7.2 sec

Page Rendered

1.2 sec

supervent.ca screenshot

About Website

Click here to check amazing Supervent content. Otherwise, check out these important facts you probably never knew about supervent.ca

We offer a wide selection of residential HVAC products includes direct, pellet, type B gas vents, and other venting solutions for modern fireplaces, furnaces, stoves, water heaters, and more.

Visit supervent.ca

Key Findings

We analyzed Supervent.ca page load time and found that the first response time was 57 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

supervent.ca performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value8.1 s

20/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

supervent.ca

57 ms

1461 ms

js

151 ms

gtm.js

368 ms

fbevents.js

55 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Supervent.ca, 78% (49 requests) were made to Selkirkcorp.com and 11% (7 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Selkirkcorp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 307.9 kB (11%)

Content Size

2.9 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Supervent.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. 80% 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. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 114.8 kB

  • Original 130.2 kB
  • After minification 114.8 kB
  • After compression 15.4 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. This page needs HTML code to be minified as it can gain 15.4 kB, which is 12% 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 114.8 kB or 88% of the original size.

Image Optimization

-7%

Potential reduce by 191.6 kB

  • Original 2.7 MB
  • After minification 2.5 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. Supervent images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 1.3 kB

  • Original 14.3 kB
  • After minification 14.3 kB
  • After compression 12.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 97 B

  • Original 29.9 kB
  • After minification 29.9 kB
  • After compression 29.8 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. Supervent.ca has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (29%)

Requests Now

56

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Supervent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

supervent.ca

supervent.ca

57 ms

1461 ms

js

js

151 ms

gtm.js

gtm.js

368 ms

fbevents.js

fbevents.js

55 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

106 ms

popper.min.js

popper.min.js

98 ms

bootstrap.min.js

bootstrap.min.js

99 ms

bootstrap-icons.css

bootstrap-icons.css

150 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

145 ms

slick.min.css

slick.min.css

142 ms

slick-theme.css

slick-theme.css

147 ms

style.css

style.css

97 ms

resizesensor.js

resizesensor.js

102 ms

stickysidebar.min.js

stickysidebar.min.js

213 ms

parallax.min.js

parallax.min.js

211 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

143 ms

slick.min.js

slick.min.js

144 ms

script.js

script.js

209 ms

translate-freeform-labels.js

translate-freeform-labels.js

211 ms

Selkirk_by_duravent_allwhite_resize_40f3485488a5281366c6272cc62071e8.png

Selkirk_by_duravent_allwhite_resize_40f3485488a5281366c6272cc62071e8.png

297 ms

Duravent_Group_Logo_TM_all_white_resize_4f5ecf61c8285855d7a2e8e69813b46c.png

Duravent_Group_Logo_TM_all_white_resize_4f5ecf61c8285855d7a2e8e69813b46c.png

299 ms

flag-ca.png

flag-ca.png

237 ms

flag-usa.png

flag-usa.png

237 ms

SPR2100_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

SPR2100_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

239 ms

JM_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

JM_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

240 ms

CF_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

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241 ms

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CF_Tile_Image_FR_resize_24754b7ed2eac494367c825ef41586be.jpg

238 ms

U1_Tile_Image_FR_resize_24754b7ed2eac494367c825ef41586be.jpg

U1_Tile_Image_FR_resize_24754b7ed2eac494367c825ef41586be.jpg

237 ms

U1_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

U1_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

240 ms

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UT_Tile_Image2_resize_24754b7ed2eac494367c825ef41586be.jpg

241 ms

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SPR_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

242 ms

JSC_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

JSC_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

241 ms

UT-L_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

UT-L_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

242 ms

UPTile_resize_24754b7ed2eac494367c825ef41586be.jpg

UPTile_resize_24754b7ed2eac494367c825ef41586be.jpg

244 ms

UPTileSM_resize_24754b7ed2eac494367c825ef41586be.jpg

UPTileSM_resize_24754b7ed2eac494367c825ef41586be.jpg

244 ms

USPTile_resize_24754b7ed2eac494367c825ef41586be.jpg

USPTile_resize_24754b7ed2eac494367c825ef41586be.jpg

245 ms

DSP_Tile_Image_FR_resize_24754b7ed2eac494367c825ef41586be.jpg

DSP_Tile_Image_FR_resize_24754b7ed2eac494367c825ef41586be.jpg

242 ms

DSP_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

DSP_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

245 ms

DCC_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

DCC_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

246 ms

SRL_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

SRL_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

245 ms

SFL_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

SFL_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

248 ms

AFL_Tile_Image_1_resize_24754b7ed2eac494367c825ef41586be.jpg

AFL_Tile_Image_1_resize_24754b7ed2eac494367c825ef41586be.jpg

248 ms

UPP_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

UPP_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

247 ms

SPV_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

SPV_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

246 ms

PL_Tile_Image_ENG_resize_24754b7ed2eac494367c825ef41586be.jpg

PL_Tile_Image_ENG_resize_24754b7ed2eac494367c825ef41586be.jpg

250 ms

DT_Tile_Image_FR_resize_24754b7ed2eac494367c825ef41586be.jpg

DT_Tile_Image_FR_resize_24754b7ed2eac494367c825ef41586be.jpg

332 ms

DT-GAS_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

DT-GAS_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

248 ms

DT-PELLET_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

DT-PELLET_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

249 ms

HeatfabCollage_Logo_resize_b0d1ff191484415955e1d100419fd3fb.jpg

HeatfabCollage_Logo_resize_b0d1ff191484415955e1d100419fd3fb.jpg

249 ms

RV_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

RV_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

333 ms

PolyProCollage_Logo_resize_b0d1ff191484415955e1d100419fd3fb.jpg

PolyProCollage_Logo_resize_b0d1ff191484415955e1d100419fd3fb.jpg

333 ms

R_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

R_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

332 ms

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Airmate_Collage_resize_b0d1ff191484415955e1d100419fd3fb.jpg

332 ms

DT-MULTI-FUEL_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

DT-MULTI-FUEL_Tile_Image_resize_24754b7ed2eac494367c825ef41586be.jpg

184 ms

Selkirk_by_duravent_allwhite_resize_75c0c50815a82e82082d59c1d98b77a9.png

Selkirk_by_duravent_allwhite_resize_75c0c50815a82e82082d59c1d98b77a9.png

183 ms

bootstrap-icons.woff

bootstrap-icons.woff

84 ms

Duravent_Group_Logo_TM_all_white_resize_5f51239d80704f6f19a6ea44f3ecdb8b.png

Duravent_Group_Logo_TM_all_white_resize_5f51239d80704f6f19a6ea44f3ecdb8b.png

104 ms

Selkirk%2BCommercial%2BVenting%2BInstallation%2BP5_2_webp_6fd00c67ab2139448d714871412932e5.webp

Selkirk%2BCommercial%2BVenting%2BInstallation%2BP5_2_webp_6fd00c67ab2139448d714871412932e5.webp

54 ms

metropolis-regular.woff

metropolis-regular.woff

2178 ms

metropolis-semibold.woff

metropolis-semibold.woff

1976 ms

metropolis-bold.woff

metropolis-bold.woff

1992 ms

metropolis-light.woff

metropolis-light.woff

2035 ms

Accessibility Review

supervent.ca accessibility score

100

Accessibility Issues

Best Practices

supervent.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

supervent.ca SEO score

100

Search Engine Optimization Advices

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

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 Supervent.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 Supervent.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

supervent.ca

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