Tools & Wizards About Us
duncansacorlando.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

duncansacorlando.com

Duncan's Air Conditioning & Heating Inc. Orlando, FL Welcome

Page Load Speed

810 ms in total

First Response

63 ms

Resources Loaded

597 ms

Page Rendered

150 ms

duncansacorlando.com screenshot

About Website

Visit duncansacorlando.com now to see the best up-to-date Duncan Sac Orlando content and also check out these interesting facts you probably never knew about duncansacorlando.com

Duncans Air Conditioning is your local Air Conditioning Contractor in Central Florida. We are committed to our customers satisfaction.

Visit duncansacorlando.com

Key Findings

We analyzed Duncansacorlando.com page load time and found that the first response time was 63 ms and then it took 747 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

duncansacorlando.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

duncansacorlando.com

63 ms

duncansacorlando.com

119 ms

css

19 ms

user.js

36 ms

jquery.js

89 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 67% of them (26 requests) were addressed to the original Duncansacorlando.com, 5% (2 requests) were made to Seal.networksolutions.com and 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (202 ms) relates to the external source Code.superstats.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.0 kB (14%)

Content Size

290.1 kB

After Optimization

250.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Duncansacorlando.com main page is 290.1 kB. 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. Javascripts take 238.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 37.3 kB

  • Original 44.3 kB
  • After minification 43.5 kB
  • After compression 7.0 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 37.3 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 3 B

  • Original 7.0 kB
  • After minification 7.0 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. Duncan Sac Orlando images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 238.9 kB
  • After minification 238.9 kB
  • After compression 236.2 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.

Requests Breakdown

Number of requests can be reduced by 13 (39%)

Requests Now

33

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duncan Sac Orlando. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duncansacorlando.com

duncansacorlando.com

63 ms

duncansacorlando.com

duncansacorlando.com

119 ms

css

css

19 ms

user.js

user.js

36 ms

jquery.js

jquery.js

89 ms

simplegallery.js

simplegallery.js

75 ms

photo_album.js

photo_album.js

71 ms

PrebuiltBlockStructure.css

PrebuiltBlockStructure.css

71 ms

template.css

template.css

69 ms

layout2.css

layout2.css

69 ms

website.css

website.css

92 ms

icwebsiteelement.css

icwebsiteelement.css

98 ms

PrebuiltBlockStructure.css

PrebuiltBlockStructure.css

93 ms

addthis_widget.js

addthis_widget.js

141 ms

siteseal.js

siteseal.js

84 ms

widget.js

widget.js

13 ms

30b

30b

202 ms

ga.js

ga.js

18 ms

gtm.js

gtm.js

104 ms

ha_o.jpg

ha_o.jpg

37 ms

ha_ci.gif

ha_ci.gif

37 ms

ha_h.jpg

ha_h.jpg

166 ms

ha_hm.jpg

ha_hm.jpg

36 ms

365_DuncansAirBannerno_number.jpg

365_DuncansAirBannerno_number.jpg

166 ms

ha_hb.png

ha_hb.png

38 ms

facebook-big-icon.png

facebook-big-icon.png

62 ms

88_BBB.jpg

88_BBB.jpg

102 ms

156_tcs.jpg

156_tcs.jpg

60 ms

121_nate.jpg

121_nate.jpg

101 ms

114_energyLogo.jpg

114_energyLogo.jpg

103 ms

560_team.jpg

560_team.jpg

166 ms

560_xv20i.jpg

560_xv20i.jpg

167 ms

__utm.gif

__utm.gif

13 ms

analytics.js

analytics.js

25 ms

netsolsiteseal.png

netsolsiteseal.png

18 ms

collect

collect

67 ms

print.css

print.css

143 ms

ss91725077033283

ss91725077033283

40 ms

ss91725077033331

ss91725077033331

37 ms

Accessibility Review

duncansacorlando.com accessibility score

73

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

duncansacorlando.com best practices score

42

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

duncansacorlando.com SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duncansacorlando.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 Duncansacorlando.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

duncansacorlando.com

Open Graph description is not detected on the main page of Duncan Sac Orlando. 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: