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dev.activeventilation.com screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% 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

  • 91

    SEO

    Google-friendlier than
    70% of websites

dev.activeventilation.com

Roof Vents, Solar Attic Fans, Gravity Vents, Static Vents & Vent Caps

Page Load Speed

3.9 sec in total

First Response

74 ms

Resources Loaded

982 ms

Page Rendered

2.9 sec

dev.activeventilation.com screenshot

About Website

Welcome to dev.activeventilation.com homepage info - get ready to check Dev Active Vent Ilation best content for United States right away, or after learning these important things about dev.activeventilation.com

Roof vents form the base of any attic ventilation system. They allow the attic to breathe and help protect from damaging heat and moisture.

Visit dev.activeventilation.com

Key Findings

We analyzed Dev.activeventilation.com page load time and found that the first response time was 74 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

dev.activeventilation.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.275

44/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

dev.activeventilation.com

74 ms

roofvents.com

150 ms

blocks.css

35 ms

style.min.css

38 ms

aos.css

71 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dev.activeventilation.com, 98% (156 requests) were made to Roofvents.com and 1% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (270 ms) relates to the external source Roofvents.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 250.2 kB (7%)

Content Size

3.6 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dev.activeventilation.com main page is 3.6 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. 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 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 247.9 kB

  • Original 308.0 kB
  • After minification 307.6 kB
  • After compression 60.1 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 247.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.9 MB
  • After minification 2.9 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. Dev Active Vent Ilation images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 451 B

  • Original 245.9 kB
  • After minification 245.9 kB
  • After compression 245.5 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

-3%

Potential reduce by 1.9 kB

  • Original 70.4 kB
  • After minification 70.4 kB
  • After compression 68.5 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. Dev.activeventilation.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 45 (29%)

Requests Now

157

After Optimization

112

  • Images
  • JavaScript
  • CSS

The browser has sent 157 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Active Vent Ilation. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dev.activeventilation.com

dev.activeventilation.com

74 ms

roofvents.com

roofvents.com

150 ms

blocks.css

blocks.css

35 ms

style.min.css

style.min.css

38 ms

aos.css

aos.css

71 ms

oxygen.css

oxygen.css

55 ms

woocommerce-layout.css

woocommerce-layout.css

60 ms

woocommerce.css

woocommerce.css

49 ms

main.min.css

main.min.css

53 ms

photoswipe.min.css

photoswipe.min.css

72 ms

default-skin.min.css

default-skin.min.css

86 ms

style.css

style.css

84 ms

style.css

style.css

81 ms

blocks.css

blocks.css

81 ms

default.css

default.css

87 ms

tablepress-responsive.min.css

tablepress-responsive.min.css

145 ms

aos.js

aos.js

133 ms

jquery.min.js

jquery.min.js

109 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

103 ms

add-to-cart.min.js

add-to-cart.min.js

107 ms

js.cookie.min.js

js.cookie.min.js

99 ms

woocommerce.min.js

woocommerce.min.js

119 ms

jquery.zoom.min.js

jquery.zoom.min.js

123 ms

jquery.flexslider.min.js

jquery.flexslider.min.js

129 ms

photoswipe.min.js

photoswipe.min.js

132 ms

photoswipe-ui-default.min.js

photoswipe-ui-default.min.js

133 ms

single-product.min.js

single-product.min.js

159 ms

chart.min.js

chart.min.js

205 ms

hooks.min.js

hooks.min.js

203 ms

wpm-public.p1.min.js

wpm-public.p1.min.js

209 ms

adsbygoogle.js

adsbygoogle.js

53 ms

14.css

14.css

202 ms

10659.css

10659.css

209 ms

universal.css

universal.css

204 ms

email-decode.min.js

email-decode.min.js

207 ms

unslider.css

unslider.css

235 ms

wc-blocks.css

wc-blocks.css

255 ms

gtm4wp-ecommerce-generic.js

gtm4wp-ecommerce-generic.js

256 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

58 ms

gtm4wp-woocommerce.js

gtm4wp-woocommerce.js

255 ms

tracker.js

tracker.js

233 ms

jquery.peity.min.js

jquery.peity.min.js

227 ms

sourcebuster.min.js

sourcebuster.min.js

216 ms

order-attribution.min.js

order-attribution.min.js

270 ms

unslider-min.js

unslider-min.js

268 ms

jquery.event.move.js

jquery.event.move.js

262 ms

jquery.event.swipe.js

jquery.event.swipe.js

253 ms

AVP-Logo.png

AVP-Logo.png

163 ms

KV-8-TP-WT-approved-RGB_LOGO.jpg

KV-8-TP-WT-approved-RGB_LOGO.jpg

89 ms

keepa-approved.jpg

keepa-approved.jpg

88 ms

roof-vents-RBV-6-C2-TP-Black-1_APPROVED.jpg

roof-vents-RBV-6-C2-TP-Black-1_APPROVED.jpg

91 ms

KV-6-TP-WT-SIDE-300x214-APPROVED.jpg

KV-6-TP-WT-SIDE-300x214-APPROVED.jpg

86 ms

web-UV.jpg

web-UV.jpg

88 ms

WEB-AV-Retro-trees.jpg

WEB-AV-Retro-trees.jpg

86 ms

WEB-RBSF.jpg

WEB-RBSF.jpg

89 ms

WEB-PV-10-C1-700x500px.jpg

WEB-PV-10-C1-700x500px.jpg

93 ms

LandingPageImage-copy.jpg

LandingPageImage-copy.jpg

93 ms

PV-12-C4-CMF-dark.jpg

PV-12-C4-CMF-dark.jpg

91 ms

WEB-Aura-CMF.jpg

WEB-Aura-CMF.jpg

96 ms

web-RBV-10-C4-CMF-low-side.jpg

web-RBV-10-C4-CMF-low-side.jpg

92 ms

web-Soffit-W10-group-2.jpg

web-Soffit-W10-group-2.jpg

93 ms

RBF-6-C4-5-300x254-1-1-1.jpg

RBF-6-C4-5-300x254-1-1-1.jpg

100 ms

web-AV-12-C2-Far-gray-dulled.jpg

web-AV-12-C2-Far-gray-dulled.jpg

94 ms

web-PP-Group-of-3in-Height.jpg

web-PP-Group-of-3in-Height.jpg

95 ms

web-RBV-6-C2-CMF-TP-side.jpg

web-RBV-6-C2-CMF-TP-side.jpg

96 ms

web-RC-10-H6-top-angle.jpg

web-RC-10-H6-top-angle.jpg

98 ms

roof-vents-AV-12-C2-WeatherWood-on-matching-shingle-roof-facing-right.jpg

roof-vents-AV-12-C2-WeatherWood-on-matching-shingle-roof-facing-right.jpg

97 ms

roof-vents-aura-vent-curb-mount-flange-on-roof-curb-300x240.jpg

roof-vents-aura-vent-curb-mount-flange-on-roof-curb-300x240.jpg

99 ms

KV-10-HD.jpg

KV-10-HD.jpg

100 ms

PV-14-C1-Brown-500w.jpg

PV-14-C1-Brown-500w.jpg

100 ms

roof-vents-RBV-8-Brown-on-matching-shingle-roof-300x240.jpg

roof-vents-RBV-8-Brown-on-matching-shingle-roof-300x240.jpg

101 ms

rbv-12-c2-cmf-angle-300x225.jpg

rbv-12-c2-cmf-angle-300x225.jpg

113 ms

web-UV-300x215.jpg

web-UV-300x215.jpg

80 ms

WHV-8-angle-w-263x300.jpg

WHV-8-angle-w-263x300.jpg

80 ms

PV-20-C12-side.jpg

PV-20-C12-side.jpg

110 ms

KV-12-WT-ANGLE-e1527195382697.jpg

KV-12-WT-ANGLE-e1527195382697.jpg

112 ms

roof-vents-pop-vent-curb-mount-flange.jpg

roof-vents-pop-vent-curb-mount-flange.jpg

112 ms

SV-W10-L10-WD.jpg

SV-W10-L10-WD.jpg

109 ms

web-pop-vent-cmf-scaled-1-1024x641.jpg

web-pop-vent-cmf-scaled-1-1024x641.jpg

58 ms

roof-vents-Soffit-vent-W10-group.jpg

roof-vents-Soffit-vent-W10-group.jpg

56 ms

power-roof-vents-aura-vent-fan-inside-flat-flange.jpg

power-roof-vents-aura-vent-fan-inside-flat-flange.jpg

59 ms

RBF-6-C4-5-300x254-1.jpg

RBF-6-C4-5-300x254-1.jpg

57 ms

power-roof-vents-aura-attic-fan-showing-fan-inside-curb-mount-flange-300x300.jpg

power-roof-vents-aura-attic-fan-showing-fan-inside-curb-mount-flange-300x300.jpg

118 ms

Aura-Attic-Fan-Head-Removed-AF-12-C8-300x300.jpg

Aura-Attic-Fan-Head-Removed-AF-12-C8-300x300.jpg

111 ms

power-roof-vents-aura-attic-fan-curb-mount-flange-from-below-seeing-fan-300x260-1.jpg

power-roof-vents-aura-attic-fan-curb-mount-flange-from-below-seeing-fan-300x260-1.jpg

110 ms

web-ASF-12-Brown.jpg

web-ASF-12-Brown.jpg

113 ms

ASF-14-C4-CMF-featured.jpg

ASF-14-C4-CMF-featured.jpg

110 ms

solar-power-roof-vents-round-back-solar-fan-rbsf-8-c2.jpg

solar-power-roof-vents-round-back-solar-fan-rbsf-8-c2.jpg

113 ms

solar-power-retrofit-roof-vents-ASF-12-RF-8x10-1.jpg

solar-power-retrofit-roof-vents-ASF-12-RF-8x10-1.jpg

109 ms

ASF-18-RF-featured-scaled.jpg

ASF-18-RF-featured-scaled.jpg

111 ms

ASF-16-C4-on-roof.jpg

ASF-16-C4-on-roof.jpg

114 ms

web-RBSF-8-C2-black.jpg

web-RBSF-8-C2-black.jpg

112 ms

roof-vents-RBV-6-C2-TP-Black-1.jpg

roof-vents-RBV-6-C2-TP-Black-1.jpg

160 ms

roof-vents-keepa-roof-jack-painted-white-KV-9-TP-1.jpg

roof-vents-keepa-roof-jack-painted-white-KV-9-TP-1.jpg

115 ms

RBV-TP-Diagram.png

RBV-TP-Diagram.png

163 ms

AVPV_FlatRoof-labeled.jpg

AVPV_FlatRoof-labeled.jpg

114 ms

pitched-popvent-diag.gif

pitched-popvent-diag.gif

157 ms

23-scaled.jpg

23-scaled.jpg

113 ms

17-scaled.jpg

17-scaled.jpg

157 ms

22-1-scaled.jpg

22-1-scaled.jpg

160 ms

BSV-4-low-300x295.jpg

BSV-4-low-300x295.jpg

156 ms

BSV-3-installed-side-300x279.jpg

BSV-3-installed-side-300x279.jpg

160 ms

BSV-3-side-angle-300x298.jpg

BSV-3-side-angle-300x298.jpg

154 ms

PP-Group-Filter-300x300.jpg

PP-Group-Filter-300x300.jpg

221 ms

PP-8x8-H5-open-300x215.jpg

PP-8x8-H5-open-300x215.jpg

155 ms

PP-6x12-H3-side-angle-1024x683.jpg

PP-6x12-H3-side-angle-1024x683.jpg

218 ms

RBV-8-WeatherWood-1024x806.jpg

RBV-8-WeatherWood-1024x806.jpg

219 ms

Staceys-rusted-vents-roof-shot.jpg

Staceys-rusted-vents-roof-shot.jpg

223 ms

Day-Picture-scaled.jpeg

Day-Picture-scaled.jpeg

187 ms

Night-Picture-scaled.jpeg

Night-Picture-scaled.jpeg

187 ms

Assembly--1024x768.jpeg

Assembly--1024x768.jpeg

188 ms

roof-vents-vent_Banner-3.jpg

roof-vents-vent_Banner-3.jpg

188 ms

yt_logo_rgb_light-300x67.png

yt_logo_rgb_light-300x67.png

188 ms

RBV-3-C2-angle-300x223.jpg

RBV-3-C2-angle-300x223.jpg

187 ms

PV-12-C2-angle-300x220.jpg

PV-12-C2-angle-300x220.jpg

190 ms

AV-48-C12-CMF-featured-300x300.jpg

AV-48-C12-CMF-featured-300x300.jpg

189 ms

roof-vents-PV-14-C1-Brown-roof-louver-on-shingle-roof-300x230.jpg

roof-vents-PV-14-C1-Brown-roof-louver-on-shingle-roof-300x230.jpg

187 ms

roof-vents-AV-12-C2-brown-on-shingle-roof-300x240.jpg

roof-vents-AV-12-C2-brown-on-shingle-roof-300x240.jpg

135 ms

roof-vents-aura-vent-AV-24-C8-angle.jpg

roof-vents-aura-vent-AV-24-C8-angle.jpg

138 ms

roof-vents-aura-vent-curb-mount-flange-on-roof-curb.jpg

roof-vents-aura-vent-curb-mount-flange-on-roof-curb.jpg

232 ms

web-KV-10-side.jpg

web-KV-10-side.jpg

136 ms

RBV-7-C2-CMF-low-side.jpg

RBV-7-C2-CMF-low-side.jpg

132 ms

UV-Unpainted-Aluminum-on-Shingle-Roof.jpg

UV-Unpainted-Aluminum-on-Shingle-Roof.jpg

235 ms

UV-60-brown-500w.jpg

UV-60-brown-500w.jpg

231 ms

roof-vents-PV-24-C12.jpg

roof-vents-PV-24-C12.jpg

227 ms

roof-vents-pop-vent-curb-mount-flange-300x240.jpg

roof-vents-pop-vent-curb-mount-flange-300x240.jpg

229 ms

roof-vents-soffit_vent-group.jpg

roof-vents-soffit_vent-group.jpg

227 ms

roof-vents-RBV-6-C2-TP-Black-1-300x300.jpg

roof-vents-RBV-6-C2-TP-Black-1-300x300.jpg

227 ms

roof-vents-keepa-roof-jack-painted-white-KV-9-TP-1-300x300.jpg

roof-vents-keepa-roof-jack-painted-white-KV-9-TP-1-300x300.jpg

230 ms

roof-vents-turbine-replacement-AV-12-RF-1-300x240.jpg

roof-vents-turbine-replacement-AV-12-RF-1-300x240.jpg

224 ms

roof-vents-pop-vent-retrofit-PV-14-RF.jpg

roof-vents-pop-vent-retrofit-PV-14-RF.jpg

182 ms

roof-vents-vent-pipe-cap-installed.jpg

roof-vents-vent-pipe-cap-installed.jpg

182 ms

roof-vents-AV-8-PVC-white-angle.jpg

roof-vents-AV-8-PVC-white-angle.jpg

183 ms

ASF-10-PVC-angle.jpg

ASF-10-PVC-angle.jpg

182 ms

RBF-06-C04-5-300x254.jpg

RBF-06-C04-5-300x254.jpg

180 ms

AF-14-C8-angle.jpg

AF-14-C8-angle.jpg

181 ms

power-roof-vents-aura-attic-fan-showing-fan-inside-curb-mount-flange-1.jpg

power-roof-vents-aura-attic-fan-showing-fan-inside-curb-mount-flange-1.jpg

183 ms

power-roof-vents-solar-fan-RBSF-8-C2-black-on-shingle-roof-300x235-1.jpg

power-roof-vents-solar-fan-RBSF-8-C2-black-on-shingle-roof-300x235-1.jpg

180 ms

RBSF-8-C1-WD-Whole-Roof-300x235-1.jpg

RBSF-8-C1-WD-Whole-Roof-300x235-1.jpg

181 ms

solar-power-roof-vents-ASF-12-C12.jpg

solar-power-roof-vents-ASF-12-C12.jpg

120 ms

ASF-12-C8-CMF-angle-279x300.jpg

ASF-12-C8-CMF-angle-279x300.jpg

118 ms

Roof-Vents-attic-installation-no-baffles.jpg

Roof-Vents-attic-installation-no-baffles.jpg

119 ms

Roof-Vents-installation-image-attic-proper-soffit-vents.jpg

Roof-Vents-installation-image-attic-proper-soffit-vents.jpg

118 ms

Roof-Vents-4-300x181-1.jpg

Roof-Vents-4-300x181-1.jpg

132 ms

roof-vents-installed.jpg

roof-vents-installed.jpg

117 ms

roof-vents-turbing-replacement-Beacon-ny.jpg

roof-vents-turbing-replacement-Beacon-ny.jpg

129 ms

roof-vents-aura-vent-installed-on-pitched-roof.jpg

roof-vents-aura-vent-installed-on-pitched-roof.jpg

130 ms

florida-state-dbpr-150x100.png

florida-state-dbpr-150x100.png

133 ms

CERTIFIED-UL.png

CERTIFIED-UL.png

143 ms

TDI-Logo90x90.png

TDI-Logo90x90.png

151 ms

CalFireLogo.png

CalFireLogo.png

131 ms

ab-seal.png

ab-seal.png

142 ms

MHI-logo.png

MHI-logo.png

140 ms

MDC_APPROVED_COLOR.jpg

MDC_APPROVED_COLOR.jpg

145 ms

video-thumbnail-AV-30-C12-Large-Aura-Vent.jpg

video-thumbnail-AV-30-C12-Large-Aura-Vent.jpg

143 ms

video-thumbnail-KV-8-Keepa-Vent.jpg

video-thumbnail-KV-8-Keepa-Vent.jpg

69 ms

video-thumbnail-RBV-3-Vents-small-round-back-roof-vent.jpg

video-thumbnail-RBV-3-Vents-small-round-back-roof-vent.jpg

63 ms

main.js

main.js

60 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

21 ms

Accessibility Review

dev.activeventilation.com 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

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

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

dev.activeventilation.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dev.activeventilation.com SEO score

91

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

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 Dev.activeventilation.com 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 Dev.activeventilation.com 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

dev.activeventilation.com

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