3.5 sec in total
114 ms
2.3 sec
1.1 sec
Click here to check amazing St L Radon content. Otherwise, check out these important facts you probably never knew about stlradon.com
Offering radon testing and radon mitigation systems, St. Louis Radon performs residential and commercial radon gas tests, mitigation services, and radon gas removal in Missouri and Illinois.
Visit stlradon.comWe analyzed Stlradon.com page load time and found that the first response time was 114 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
stlradon.com performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value4.1 s
47/100
25%
Value3.5 s
89/100
10%
Value320 ms
76/100
30%
Value0.141
78/100
15%
Value7.2 s
50/100
10%
114 ms
162 ms
377 ms
148 ms
220 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 64% of them (34 requests) were addressed to the original Stlradon.com, 17% (9 requests) were made to Use.typekit.net and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Stlradon.com.
Page size can be reduced by 728.6 kB (39%)
1.9 MB
1.1 MB
In fact, the total size of Stlradon.com main page is 1.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. HTML takes 823.6 kB which makes up the majority of the site volume.
Potential reduce by 677.8 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 677.8 kB or 82% of the original size.
Potential reduce by 0 B
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. St L Radon images are well optimized though.
Potential reduce by 50.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 50.6 kB or 19% of the original size.
Potential reduce by 161 B
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. Stlradon.com has all CSS files already compressed.
Number of requests can be reduced by 7 (17%)
42
35
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of St L Radon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
stlradon.com
114 ms
stlradon.com
162 ms
www.stlradon.com
377 ms
em23d885c3d84d062a32a36a205708acc084-index.css
148 ms
qxm4wla.js
220 ms
sdk.js
50 ms
em23d885c3d84d062a32a36a205708acc084-index.js
110 ms
analytics.js
64 ms
ga.js
64 ms
fbevents.js
27 ms
STLASHI-AffiliateLogo-300x215.gif
1226 ms
logo.svg
670 ms
slider-1.jpg
669 ms
card_house.jpg
674 ms
atom-icon.png
959 ms
cloud-1.png
958 ms
cloud-2.png
958 ms
cloud-3.png
958 ms
cloud-4.png
958 ms
water.jpg
958 ms
soil.jpg
1224 ms
cracks.jpg
1225 ms
sump-drain.jpg
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crawlspace.jpg
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atom-icon-large.png
1223 ms
testing.jpg
1222 ms
mitigation.jpg
1248 ms
construction.jpg
1266 ms
2017ssa.png
1400 ms
logo-white.png
1246 ms
AARSTNRPP.png
1247 ms
angieslist_reviews.png
1246 ms
STLR-Affiliate-Logo.png
1285 ms
WCRMetropolitanStLouis.png
1286 ms
callout-bg.jpg
1174 ms
quotes.svg
1059 ms
linkid.js
443 ms
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669 ms
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677 ms
ga.gif
1113 ms
xdomain_iframe.php
717 ms
slider-6.jpg
770 ms
collect
271 ms
collect
568 ms
js
326 ms
p.gif
69 ms
slider-2.jpg
153 ms
stlradon.com accessibility score
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
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<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
Links do not have a discernible name
stlradon.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
stlradon.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stlradon.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 Stlradon.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.
stlradon.com
Open Graph description is not detected on the main page of St L Radon. 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: