Tools & Wizards About Us
carltonheatingandair.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

carltonheatingandair.com

Carlton Heating and Air Conditioning, INC. | Raleigh, NC HVAC Service

Page Load Speed

1.9 sec in total

First Response

72 ms

Resources Loaded

1.4 sec

Page Rendered

483 ms

carltonheatingandair.com screenshot

About Website

Visit carltonheatingandair.com now to see the best up-to-date Carlton Heating And Air content and also check out these interesting facts you probably never knew about carltonheatingandair.com

When your HVAC system goes down, you want it repaired or replaced fast! That is where we come in. Carlton Heating and Air has been keeping Raleigh, NC comfortable for over 30 years. When your heating ...

Visit carltonheatingandair.com

Key Findings

We analyzed Carltonheatingandair.com page load time and found that the first response time was 72 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

carltonheatingandair.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value3,680 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.199

62/100

15%

TTI (Time to Interactive)

Value24.0 s

1/100

10%

Network Requests Diagram

carltonheatingandair.com

72 ms

www.carltonheatingandair.com

122 ms

gtm.js

107 ms

js

146 ms

carlton+heating+and+air+logo-1920w.jpg

230 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Carltonheatingandair.com, 38% (14 requests) were made to Lirp.cdn-website.com and 14% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (821 ms) relates to the external source Lirp.cdn-website.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.8 kB (18%)

Content Size

857.6 kB

After Optimization

702.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Carltonheatingandair.com main page is 857.6 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. Only a small number of websites need less resources to load. Javascripts take 342.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 146.6 kB

  • Original 182.1 kB
  • After minification 177.0 kB
  • After compression 35.5 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 146.6 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 5.1 kB

  • Original 273.8 kB
  • After minification 268.7 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. Carlton Heating And Air images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.0 kB

  • Original 342.8 kB
  • After minification 342.8 kB
  • After compression 339.8 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 0 B

  • Original 58.9 kB
  • After minification 58.9 kB
  • After compression 58.9 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. Carltonheatingandair.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (41%)

Requests Now

32

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carlton Heating And Air. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

carltonheatingandair.com

carltonheatingandair.com

72 ms

www.carltonheatingandair.com

www.carltonheatingandair.com

122 ms

gtm.js

gtm.js

107 ms

js

js

146 ms

carlton+heating+and+air+logo-1920w.jpg

carlton+heating+and+air+logo-1920w.jpg

230 ms

Gb9Auoxiqi8

Gb9Auoxiqi8

212 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

98 ms

d-js-one-runtime-unified-desktop.min.js

d-js-one-runtime-unified-desktop.min.js

109 ms

d-js-jquery-migrate.min.js

d-js-jquery-migrate.min.js

111 ms

js

js

108 ms

widget.js

widget.js

776 ms

carlton-heating-and-air-logo-299w.jpg

carlton-heating-and-air-logo-299w.jpg

195 ms

HOMEPAGE-BANNER-1920w+%281%29-1920w.jpg

HOMEPAGE-BANNER-1920w+%281%29-1920w.jpg

194 ms

HOMEPAGE-BANNER-phone-1920w.JPG

HOMEPAGE-BANNER-phone-1920w.JPG

372 ms

sandy-texture-1920w.png

sandy-texture-1920w.png

90 ms

empty_02-1536w.png

empty_02-1536w.png

188 ms

Yelp_Logo_02-211w.jpg

Yelp_Logo_02-211w.jpg

194 ms

google-review-logo-231w.png

google-review-logo-231w.png

371 ms

Facebook-Reviews-icon-232w.png

Facebook-Reviews-icon-232w.png

370 ms

carlton-heating-and-air-logo-198w.png

carlton-heating-and-air-logo-198w.png

371 ms

AmericanStandard-logo_02-463w.png

AmericanStandard-logo_02-463w.png

370 ms

hvac_unit-429w.png

hvac_unit-429w.png

606 ms

hvac_unit-1920w.png

hvac_unit-1920w.png

821 ms

carlton+heating+and+air+logo-151w.jpg

carlton+heating+and+air+logo-151w.jpg

605 ms

js

js

99 ms

www-player.css

www-player.css

147 ms

www-embed-player.js

www-embed-player.js

182 ms

base.js

base.js

224 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

16 ms

ad_status.js

ad_status.js

248 ms

5OkHZN3F3io59sl2rCNWEM4LdayjIm6qhcWs5MZXw2M.js

5OkHZN3F3io59sl2rCNWEM4LdayjIm6qhcWs5MZXw2M.js

141 ms

embed.js

embed.js

50 ms

widget_app_base_1709893277326.js

widget_app_base_1709893277326.js

48 ms

id

id

26 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

176 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

177 ms

Create

Create

148 ms

Accessibility Review

carltonheatingandair.com accessibility score

85

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

Best Practices

carltonheatingandair.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

carltonheatingandair.com SEO score

74

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

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 Carltonheatingandair.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 Carltonheatingandair.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

carltonheatingandair.com

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