Tools & Wizards About Us

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

heatchicago.com

AA Mechanical – Chicago Air Conditioning Service Repair Installation

Page Load Speed

1.9 sec in total

First Response

17 ms

Resources Loaded

1.5 sec

Page Rendered

334 ms

About Website

Welcome to heatchicago.com homepage info - get ready to check Heat Chicago best content right away, or after learning these important things about heatchicago.com

Visit heatchicago.com

Key Findings

We analyzed Heatchicago.com page load time and found that the first response time was 17 ms and then it took 1.9 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

heatchicago.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value1,770 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

heatchicago.com

17 ms

airconditioningchicago.com

598 ms

wp-emoji-release.min.js

55 ms

style.min.css

110 ms

classic-themes.min.css

161 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Heatchicago.com, 56% (30 requests) were made to Airconditioningchicago.com and 9% (5 requests) were made to Heatchicago.buildweb.site. The less responsive or slowest element that took the longest time to load (598 ms) relates to the external source Airconditioningchicago.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 67.5 kB (9%)

Content Size

779.7 kB

After Optimization

712.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heatchicago.com main page is 779.7 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. 70% of websites need less resources to load. Javascripts take 419.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 61.8 kB

  • Original 74.3 kB
  • After minification 71.4 kB
  • After compression 12.4 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 61.8 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 187.1 kB
  • After minification 187.1 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. Heat Chicago images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 4.2 kB

  • Original 419.3 kB
  • After minification 419.3 kB
  • After compression 415.1 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

-2%

Potential reduce by 1.5 kB

  • Original 99.0 kB
  • After minification 99.0 kB
  • After compression 97.5 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. Heatchicago.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (75%)

Requests Now

40

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heat Chicago. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

heatchicago.com accessibility score

94

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

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

heatchicago.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

Missing source maps for large first-party JavaScript

SEO Factors

heatchicago.com SEO score

93

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heatchicago.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 Heatchicago.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 description is not detected on the main page of Heat Chicago. 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: