2.1 sec in total
46 ms
976 ms
1.1 sec
Click here to check amazing Stem Rad content. Otherwise, check out these important facts you probably never knew about stemrad.com
Radiation Protection and Radiation Shield. Protecting Firefighters, Military and EOD Teams from Nuclear Radiation. Protecting Astronauts from SPE.
Visit stemrad.comWe analyzed Stemrad.com page load time and found that the first response time was 46 ms and then it took 2 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.
stemrad.com performance score
name
value
score
weighting
Value1.7 s
91/100
10%
Value2.9 s
82/100
25%
Value3.6 s
87/100
10%
Value1,720 ms
10/100
30%
Value0.827
4/100
15%
Value4.6 s
81/100
10%
46 ms
126 ms
54 ms
39 ms
36 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 70% of them (54 requests) were addressed to the original Stemrad.com, 18% (14 requests) were made to Fonts.gstatic.com and 6% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (437 ms) belongs to the original domain Stemrad.com.
Page size can be reduced by 83.8 kB (9%)
960.7 kB
876.9 kB
In fact, the total size of Stemrad.com main page is 960.7 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 736.7 kB which makes up the majority of the site volume.
Potential reduce by 71.8 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 71.8 kB or 79% of the original size.
Potential reduce by 11.3 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. Stem Rad images are well optimized though.
Potential reduce by 236 B
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.
Potential reduce by 387 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. Stemrad.com has all CSS files already compressed.
Number of requests can be reduced by 18 (32%)
57
39
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stem Rad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
stemrad.com
46 ms
stemrad.com
126 ms
wpp.css
54 ms
style.css
39 ms
normalize.css
36 ms
font.css
46 ms
video-js.css
42 ms
remodal.css
37 ms
fontawesome-all.min.css
48 ms
owl.theme.default.min.css
50 ms
owl.carousel.min.css
45 ms
styles.css
54 ms
responsive.css
51 ms
lity.min.css
56 ms
default.css
58 ms
lazyload.min.js
48 ms
Moon.jpg
89 ms
after-1.png
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after-2.png
53 ms
logo.svg
15 ms
icon-1.png
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icon-2.png
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icon-3.png
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icon-4.png
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icon-5.png
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CNN-logo.png
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Picture3-e1547751918241.png
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Reuters-Logo-1-e1547801267122.png
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download-1-e1549521154302.png
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Popular_Mechanics_logo.svg-e1547750055201.png
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wsj-logo-2-e1547761813412.png
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AstroRad.jpg
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Reactor-Personnel.jpg
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video-bg-2.jpg
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Nobel-symbol-blue-text-HR-244x244.png
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snNd-MBH_-0
115 ms
www-player.css
9 ms
www-embed-player.js
28 ms
base.js
114 ms
OpenSansHebrew-Regular.woff
162 ms
OpenSansHebrew-Bold.woff
33 ms
OpenSansHebrew-ExtraBold.woff
163 ms
fa-brands-400.woff
163 ms
ad_status.js
160 ms
1xEiQfu-UCiwbMaFnr-G2Uzcd5udG06umsh6raawdbQ.js
102 ms
embed.js
25 ms
id
28 ms
KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff
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KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff
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KFOlCnqEu92Fr1MmEU9fChc-AMP6lbBP.woff
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KFOlCnqEu92Fr1MmEU9fCRc-AMP6lbBP.woff
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Create
123 ms
stemrad.com accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
stemrad.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
stemrad.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stemrad.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 Stemrad.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.
stemrad.com
Open Graph data is detected on the main page of Stem Rad. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: