Tools & Wizards About Us
calsairandheat.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

calsairandheat.com

Cal's Air Conditioning & Heating | Derry & Windham, NH | HVAC Company

Page Load Speed

973 ms in total

First Response

42 ms

Resources Loaded

505 ms

Page Rendered

426 ms

calsairandheat.com screenshot

About Website

Click here to check amazing Cal S Air Andheat content. Otherwise, check out these important facts you probably never knew about calsairandheat.com

Cal's Air Conditioning & Heating is the local HVAC company of choice for property owners in Derry, Windham, Hooksett, NH, and beyond. Call us today to request a free quote!

Visit calsairandheat.com

Key Findings

We analyzed Calsairandheat.com page load time and found that the first response time was 42 ms and then it took 931 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

calsairandheat.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value940 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

calsairandheat.com

42 ms

calsairandheat.com

38 ms

ga.js

132 ms

js

91 ms

jquery-3.7.0.min.js

40 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Calsairandheat.com, 33% (9 requests) were made to Lirp.cdn-website.com and 22% (6 requests) were made to Player.bettervideo.com. The less responsive or slowest element that took the longest time to load (244 ms) relates to the external source Lirp.cdn-website.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.1 kB (22%)

Content Size

532.6 kB

After Optimization

415.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Calsairandheat.com main page is 532.6 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. 35% of websites need less resources to load. Javascripts take 214.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 77.2 kB

  • Original 102.3 kB
  • After minification 98.5 kB
  • After compression 25.1 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 77.2 kB or 75% of the original size.

Image Optimization

-23%

Potential reduce by 31.9 kB

  • Original 140.8 kB
  • After minification 108.9 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. Obviously, Cal S Air Andheat needs image optimization as it can save up to 31.9 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 3.4 kB

  • Original 214.3 kB
  • After minification 214.3 kB
  • After compression 210.9 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

-6%

Potential reduce by 4.6 kB

  • Original 75.2 kB
  • After minification 75.2 kB
  • After compression 70.6 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. Calsairandheat.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (29%)

Requests Now

21

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cal S Air Andheat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

calsairandheat.com

calsairandheat.com

42 ms

calsairandheat.com

calsairandheat.com

38 ms

ga.js

ga.js

132 ms

js

js

91 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

40 ms

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

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

42 ms

d-js-jquery-migrate.min.js

d-js-jquery-migrate.min.js

41 ms

Logo-800x274-366w.png

Logo-800x274-366w.png

179 ms

180 ms

ppms.js

ppms.js

104 ms

BANNER2-1920x1114-1920w.jpg

BANNER2-1920x1114-1920w.jpg

115 ms

Untitled-1-4f0a0ef7-450h.jpg

Untitled-1-4f0a0ef7-450h.jpg

132 ms

2-450h.jpg

2-450h.jpg

123 ms

3-450h.jpg

3-450h.jpg

128 ms

mce-2376x1009-270w.jpg

mce-2376x1009-270w.jpg

141 ms

Cals+-+Bryant-270w.jpg

Cals+-+Bryant-270w.jpg

200 ms

Cals+-+Carrier-270w.png

Cals+-+Carrier-270w.png

206 ms

Cals+-+AprilAire-270w.png

Cals+-+AprilAire-270w.png

244 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

8 ms

ppms.php

ppms.php

11 ms

video.js

video.js

19 ms

bvPlugins.js

bvPlugins.js

17 ms

10.171485.jpg

10.171485.jpg

20 ms

localedge.png

localedge.png

10 ms

bvPlugins.css

bvPlugins.css

10 ms

dark-blue.css

dark-blue.css

26 ms

dQNL70YmBhcADHYj9AAA

dQNL70YmBhcADHYj9AAA

4 ms

Accessibility Review

calsairandheat.com accessibility score

92

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

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

Links do not have a discernible name

Best Practices

calsairandheat.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

calsairandheat.com SEO score

93

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 Calsairandheat.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 Calsairandheat.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

calsairandheat.com

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