Tools & Wizards About Us
dustlessduct.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

dustlessduct.com

Dustless Duct | HVAC, Air Duct Cleaning and Disinfecting Services

Page Load Speed

11.1 sec in total

First Response

152 ms

Resources Loaded

10.9 sec

Page Rendered

63 ms

dustlessduct.com screenshot

About Website

Click here to check amazing Dustless Duct content for Pakistan. Otherwise, check out these important facts you probably never knew about dustlessduct.com

Professional HVAC, air duct cleaning, sanitizing and disinfecting services nationwide. Call 888-758-1835 for a video inspection!

Visit dustlessduct.com

Key Findings

We analyzed Dustlessduct.com page load time and found that the first response time was 152 ms and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

dustlessduct.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.108

87/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

dustlessduct.com

152 ms

www.dustlessduct.com

282 ms

ddstyle.css

7887 ms

jquery.min.js

1408 ms

js

63 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 94% of them (58 requests) were addressed to the original Dustlessduct.com, 3% (2 requests) were made to Script.crazyegg.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (7.9 sec) belongs to the original domain Dustlessduct.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.3 kB (1%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dustlessduct.com main page is 1.1 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. 40% of websites need less resources to load. Images take 969.5 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 3.5 kB

  • Original 5.9 kB
  • After minification 5.7 kB
  • After compression 2.3 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 3.5 kB or 60% of the original size.

Image Optimization

-0%

Potential reduce by 2.8 kB

  • Original 969.5 kB
  • After minification 966.7 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. Dustless Duct images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 2.7 kB

  • Original 69.6 kB
  • After minification 69.6 kB
  • After compression 66.9 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

-12%

Potential reduce by 1.3 kB

  • Original 10.9 kB
  • After minification 10.9 kB
  • After compression 9.6 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. Dustlessduct.com needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (15%)

Requests Now

60

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dustless Duct. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dustlessduct.com

dustlessduct.com

152 ms

www.dustlessduct.com

www.dustlessduct.com

282 ms

ddstyle.css

ddstyle.css

7887 ms

jquery.min.js

jquery.min.js

1408 ms

js

js

63 ms

validate.js

validate.js

387 ms

css2

css2

33 ms

wow.js

wow.js

4866 ms

slider.js

slider.js

5304 ms

testimonial.js

testimonial.js

5004 ms

aero-effects.esm.js

aero-effects.esm.js

4973 ms

aero-effects.js

aero-effects.js

4908 ms

clickDataAction.js

clickDataAction.js

5048 ms

dustlessDuctLogo.png

dustlessDuctLogo.png

181 ms

posterSeasonalSpecial.png

posterSeasonalSpecial.png

736 ms

lastTimeYourAirDuctWereCleaned.jpg

lastTimeYourAirDuctWereCleaned.jpg

407 ms

HVACsystemMaintenance.jpg

HVACsystemMaintenance.jpg

447 ms

improveYourIndoorAir.jpg

improveYourIndoorAir.jpg

494 ms

dryerVentBlockage.jpg

dryerVentBlockage.jpg

541 ms

posterSeasonalSpecial550.png

posterSeasonalSpecial550.png

1544 ms

lastTimeYourAirDuctWereCleaned550.jpg

lastTimeYourAirDuctWereCleaned550.jpg

1511 ms

HVACsystemMaintenance550.jpg

HVACsystemMaintenance550.jpg

634 ms

improveYourIndoorAir550.jpg

improveYourIndoorAir550.jpg

619 ms

dryerVentBlockage550.jpg

dryerVentBlockage550.jpg

684 ms

banner_100Satisfaction.png

banner_100Satisfaction.png

735 ms

ductCleaningServiceVan.jpg

ductCleaningServiceVan.jpg

1282 ms

icoDuctCleaning.svg

icoDuctCleaning.svg

1631 ms

icoSanitizingDisinfection.svg

icoSanitizingDisinfection.svg

863 ms

icoDryerVentCleaning.svg

icoDryerVentCleaning.svg

1614 ms

airDuctVideoInspectionCamera.png

airDuctVideoInspectionCamera.png

967 ms

icoDuctInspector.svg

icoDuctInspector.svg

1050 ms

banner_25InstentRebate.png

banner_25InstentRebate.png

1137 ms

when_ToCleanAirDuct.png

when_ToCleanAirDuct.png

1260 ms

why_DuctCleaningIsImportent.png

why_DuctCleaningIsImportent.png

1840 ms

what_DuctCleaningSolution.png

what_DuctCleaningSolution.png

1437 ms

afterDryerVentCleaning.jpg

afterDryerVentCleaning.jpg

1560 ms

afterMainReturnCleaning.jpg

afterMainReturnCleaning.jpg

1603 ms

afterDuctCleaning.jpg

afterDuctCleaning.jpg

1620 ms

reviewProfile_1.png

reviewProfile_1.png

1648 ms

shape5Stars.png

shape5Stars.png

1679 ms

reviewProfile_2.png

reviewProfile_2.png

1687 ms

reviewProfile_3.png

reviewProfile_3.png

1725 ms

icoGoogleReviews.png

icoGoogleReviews.png

1755 ms

icoHealthyEnvironment.svg

icoHealthyEnvironment.svg

1731 ms

bannerIndoorAirQualityHealth.png

bannerIndoorAirQualityHealth.png

1871 ms

icoEcoCleaning.svg

icoEcoCleaning.svg

1789 ms

icoEnergySaving.svg

icoEnergySaving.svg

1802 ms

icoIndoorAirQuality.svg

icoIndoorAirQuality.svg

1817 ms

galleryTumb.png

galleryTumb.png

2483 ms

8659.js

8659.js

39 ms

www.dustlessduct.com.json

www.dustlessduct.com.json

11 ms

icoPictureGallery.svg

icoPictureGallery.svg

1693 ms

blogTumb.png

blogTumb.png

1511 ms

icoBlogPrinter.svg

icoBlogPrinter.svg

1469 ms

footerLogo_DustlessDuct.png

footerLogo_DustlessDuct.png

1413 ms

ico_Location.svg

ico_Location.svg

1395 ms

ico_Facebook.svg

ico_Facebook.svg

1319 ms

ico_Youtube.svg

ico_Youtube.svg

1339 ms

ico_Twitter.svg

ico_Twitter.svg

1295 ms

icoGreenCleaningSystems.svg

icoGreenCleaningSystems.svg

1264 ms

sideBGColor.png

sideBGColor.png

1284 ms

IcoCleaningPriceQuoteForm.svg

IcoCleaningPriceQuoteForm.svg

1179 ms

Accessibility Review

dustlessduct.com accessibility score

89

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-hidden="true"] elements contain focusable descendents

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

dustlessduct.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dustlessduct.com SEO score

92

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dustlessduct.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dustlessduct.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

dustlessduct.com

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