Tools & Wizards About Us
radonrescue.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

radonrescue.com

Radon Rescue - Chicago Radon Testing, Kits and Mitigation

Page Load Speed

3.4 sec in total

First Response

812 ms

Resources Loaded

2.3 sec

Page Rendered

290 ms

radonrescue.com screenshot

About Website

Click here to check amazing Radon Rescue content. Otherwise, check out these important facts you probably never knew about radonrescue.com

Radon Rescue is Chicago's source for radon testing, radon mitigation, radon testing kits, radon test kits, chicago illinois, Chicago, IL reduces mold, reduces soil gas and high humidity. Radon Rescue ...

Visit radonrescue.com

Key Findings

We analyzed Radonrescue.com page load time and found that the first response time was 812 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

radonrescue.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.599

11/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

www.radonrescue.com

812 ms

db7a2e99-dbeb-4658-9ea1-3c62e77bd942.css

36 ms

custom-flex-dccv2.css

84 ms

require.js

105 ms

app2.js

107 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Radonrescue.com, 50% (26 requests) were made to Use.typekit.com and 37% (19 requests) were made to D25bp99q88v7sv.cloudfront.net. The less responsive or slowest element that took the longest time to load (812 ms) belongs to the original domain Radonrescue.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 369.6 kB (38%)

Content Size

985.2 kB

After Optimization

615.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radonrescue.com main page is 985.2 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. Images take 413.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 222.9 kB

  • Original 260.6 kB
  • After minification 249.7 kB
  • After compression 37.6 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 222.9 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 413.8 kB
  • After minification 413.8 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. Radon Rescue images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 80 B

  • Original 135.9 kB
  • After minification 135.9 kB
  • After compression 135.9 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

-84%

Potential reduce by 146.6 kB

  • Original 175.0 kB
  • After minification 28.4 kB
  • After compression 28.4 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. Radonrescue.com needs all CSS files to be minified and compressed as it can save up to 146.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (70%)

Requests Now

20

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radon Rescue. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.radonrescue.com

www.radonrescue.com

812 ms

db7a2e99-dbeb-4658-9ea1-3c62e77bd942.css

db7a2e99-dbeb-4658-9ea1-3c62e77bd942.css

36 ms

custom-flex-dccv2.css

custom-flex-dccv2.css

84 ms

require.js

require.js

105 ms

app2.js

app2.js

107 ms

js

js

250 ms

b744d37f-e152-4e85-8f66-2dc20d463f8c.jpg

b744d37f-e152-4e85-8f66-2dc20d463f8c.jpg

330 ms

dadc621d-e71f-437e-ab5f-6ee6deda1789_h.jpg

dadc621d-e71f-437e-ab5f-6ee6deda1789_h.jpg

206 ms

850c0ba6-dfff-4578-bc16-a1b858725a3c_l.jpg

850c0ba6-dfff-4578-bc16-a1b858725a3c_l.jpg

203 ms

page.js

page.js

199 ms

beh4dbg.js

beh4dbg.js

254 ms

customblock.v1.js

customblock.v1.js

198 ms

headerlayout1.js

headerlayout1.js

198 ms

jquery224.js

jquery224.js

198 ms

socialprofile.v1.js

socialprofile.v1.js

198 ms

flexmediabackground.js

flexmediabackground.js

198 ms

fa-v4compatibility.ttf

fa-v4compatibility.ttf

124 ms

fa-regular-400.ttf

fa-regular-400.ttf

124 ms

fa-brands-400.ttf

fa-brands-400.ttf

125 ms

fa-solid-900.ttf

fa-solid-900.ttf

175 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

174 ms

lozad.js

lozad.js

7 ms

utility.js

utility.js

92 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

89 ms

underscore-1.8.3.js

underscore-1.8.3.js

436 ms

d8e9b110-f6fd-4b01-a5ea-81f1a7945234

d8e9b110-f6fd-4b01-a5ea-81f1a7945234

720 ms

d

d

61 ms

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29 ms

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29 ms

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61 ms

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139 ms

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62 ms

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61 ms

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63 ms

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62 ms

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133 ms

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63 ms

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63 ms

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131 ms

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203 ms

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134 ms

Accessibility Review

radonrescue.com accessibility score

79

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

radonrescue.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

radonrescue.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

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

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 Radonrescue.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 Radonrescue.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

radonrescue.com

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