Tools & Wizards About Us
jettsheatingandair.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jettsheatingandair.com

Jett’s Heating and Air | Call 815-459-4700 – McHenry, IL 60050

Page Load Speed

330 ms in total

First Response

38 ms

Resources Loaded

131 ms

Page Rendered

161 ms

jettsheatingandair.com screenshot

About Website

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

Visit jettsheatingandair.com

Key Findings

We analyzed Jettsheatingandair.com page load time and found that the first response time was 38 ms and then it took 292 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

jettsheatingandair.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

jettsheatingandair.com

38 ms

jettsheatingandair.com

15 ms

www.jettsheatingandair.com

19 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Jettsheatingandair.com and no external sources were called. The less responsive or slowest element that took the longest time to load (38 ms) belongs to the original domain Jettsheatingandair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 61.2 kB (3%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jettsheatingandair.com main page is 1.9 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 23.3 kB

  • Original 42.0 kB
  • After minification 42.0 kB
  • After compression 18.7 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 23.3 kB or 56% of the original size.

Image Optimization

-0%

Potential reduce by 3.4 kB

  • Original 1.2 MB
  • After minification 1.2 MB

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. Jett S Heating And Air images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.5 kB

  • Original 344.2 kB
  • After minification 344.2 kB
  • After compression 342.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 32.9 kB

  • Original 246.1 kB
  • After minification 246.1 kB
  • After compression 213.2 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. Jettsheatingandair.com needs all CSS files to be minified and compressed as it can save up to 32.9 kB or 13% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

jettsheatingandair.com

jettsheatingandair.com

38 ms

jettsheatingandair.com

jettsheatingandair.com

15 ms

www.jettsheatingandair.com

www.jettsheatingandair.com

19 ms

Accessibility Review

jettsheatingandair.com accessibility score

88

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

jettsheatingandair.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jettsheatingandair.com SEO score

86

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jettsheatingandair.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Jettsheatingandair.com main page’s claimed encoding is . 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

jettsheatingandair.com

Open Graph description is not detected on the main page of Jett S Heating And Air. 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: