10.8 sec in total
284 ms
8.9 sec
1.6 sec
Welcome to rtube.com homepage info - get ready to check Rtube best content right away, or after learning these important things about rtube.com
The RTube device has been used over 200,000 times to capture exhaled biomarkers in academic, pharmaceutical, and government research studies since 2005
Visit rtube.comWe analyzed Rtube.com page load time and found that the first response time was 284 ms and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
rtube.com performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value17.6 s
0/100
25%
Value13.7 s
2/100
10%
Value1,570 ms
13/100
30%
Value0.347
32/100
15%
Value18.5 s
3/100
10%
284 ms
790 ms
90 ms
65 ms
197 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rtube.com, 68% (56 requests) were made to Respiratoryresearch.com and 18% (15 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Respiratoryresearch.com.
Page size can be reduced by 2.1 MB (31%)
6.7 MB
4.6 MB
In fact, the total size of Rtube.com main page is 6.7 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. 80% 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 5.3 MB which makes up the majority of the site volume.
Potential reduce by 47.4 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 47.4 kB or 81% of the original size.
Potential reduce by 935.6 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. Obviously, Rtube needs image optimization as it can save up to 935.6 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 348.5 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 348.5 kB or 73% of the original size.
Potential reduce by 785.5 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. Rtube.com needs all CSS files to be minified and compressed as it can save up to 785.5 kB or 86% of the original size.
Number of requests can be reduced by 42 (65%)
65
23
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rtube. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
rtube.com
284 ms
respiratoryresearch.com
790 ms
wp-emoji-release.min.js
90 ms
css
65 ms
style.css
197 ms
twitter-feed.css
145 ms
css
60 ms
css
66 ms
style.css
144 ms
admin_style.min.css
142 ms
font-awesome.min.css
147 ms
shortcodes.css
142 ms
shortcodes_responsive.css
207 ms
magnific_popup.css
209 ms
ytprefs.min.css
209 ms
jetpack.css
211 ms
jquery.js
337 ms
jquery-migrate.min.js
254 ms
ytprefs.min.js
277 ms
external-tracking.min.js
260 ms
frontend-builder-global-functions.js
250 ms
photon.js
266 ms
idle-timer.min.js
298 ms
custom.js
326 ms
devicepx-jetpack.js
26 ms
jquery.mobile.custom.min.js
333 ms
custom.js
332 ms
smoothscroll.js
409 ms
jquery.fitvids.js
397 ms
waypoints.min.js
409 ms
jquery.magnific-popup.js
394 ms
frontend-builder-scripts.js
461 ms
fitvids.min.js
397 ms
wp-embed.min.js
455 ms
style.css
506 ms
iframe_api
939 ms
analytics.js
915 ms
lab_slider_bkg.jpg
895 ms
bLIEY5jo98k
914 ms
usa-flag-15x10.png
787 ms
rri-logo.png
768 ms
water-background.jpg
2450 ms
chinese-distributor-banner.png
765 ms
small-china-flag.png
767 ms
small-taiwan-flag.png
767 ms
rtube-inuse-child.png
2429 ms
lab4_slider1.jpg
953 ms
rtubeVOC-banner.png
1373 ms
lab3_slider_bkg1.jpg
1253 ms
rtubeVENT-banner.png
2415 ms
breath-banner.jpg
826 ms
PMS-banner.png
2413 ms
rtube-icon.png
1238 ms
rtube-voc-icon.png
1495 ms
rtube-vent-icon.png
1481 ms
lab-icon.png
2315 ms
United-Kingdom.png
2315 ms
European-Union.png
2314 ms
Italy.png
2327 ms
Japan.png
2328 ms
South-Korea.png
2328 ms
Australia.png
2329 ms
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fontawesome-webfont.woff
345 ms
collect
131 ms
www-widgetapi.js
236 ms
www-embed-player-vflRGs1ko.css
634 ms
rtube.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
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.
rtube.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
rtube.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
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 Rtube.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 Rtube.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.
rtube.com
Open Graph data is detected on the main page of Rtube. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: