Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ductdoctornashville.com

Nashville Air Duct Cleaning | Clean Air | Vent Cleaning | Mold | Dust | HVAC

Page Load Speed

2.9 sec in total

First Response

30 ms

Resources Loaded

2.5 sec

Page Rendered

368 ms

About Website

Welcome to ductdoctornashville.com homepage info - get ready to check Duct Doctor Nashville best content right away, or after learning these important things about ductdoctornashville.com

Nashville Duct Doctor specializes in Air Duct Cleaning. We are a locally owned franchise priding ourselves on honesty and integrity.

Visit ductdoctornashville.com

Key Findings

We analyzed Ductdoctornashville.com page load time and found that the first response time was 30 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ductdoctornashville.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value3,260 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

ductdoctornashville.com

30 ms

ductdoctornashville.com

74 ms

www.ductdoctornashville.com

82 ms

ductdoctor-nashville.7ee672a3a.css

51 ms

webfont.js

33 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Ductdoctornashville.com, 29% (21 requests) were made to Use.typekit.net and 10% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (519 ms) relates to the external source 42ndstreet.wufoo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 334.0 kB (22%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ductdoctornashville.com main page is 1.5 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 881.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 24.1 kB

  • Original 31.7 kB
  • After minification 31.5 kB
  • After compression 7.7 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 24.1 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 84.8 kB

  • Original 881.7 kB
  • After minification 796.9 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. Duct Doctor Nashville images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 224.3 kB

  • Original 552.8 kB
  • After minification 552.8 kB
  • After compression 328.6 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 224.3 kB or 41% of the original size.

CSS Optimization

-1%

Potential reduce by 846 B

  • Original 73.9 kB
  • After minification 73.9 kB
  • After compression 73.1 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. Ductdoctornashville.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (56%)

Requests Now

43

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duct Doctor Nashville. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ductdoctornashville.com accessibility score

82

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

ductdoctornashville.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

ductdoctornashville.com SEO score

83

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

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 Ductdoctornashville.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 Ductdoctornashville.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

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