1.3 sec in total
39 ms
1 sec
257 ms
Visit hrsonline.org now to see the best up-to-date Hrsonline content for United States and also check out these interesting facts you probably never knew about hrsonline.org
Heart Rhythm Society (HRS) — HRSonline.org is a leading resource on cardiac pacing, electrophysiology, and other cardiac rhythm disorders.
Visit hrsonline.orgWe analyzed Hrsonline.org page load time and found that the first response time was 39 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
hrsonline.org performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value4.7 s
32/100
25%
Value20.6 s
0/100
10%
Value1,400 ms
16/100
30%
Value0.075
95/100
15%
Value56.7 s
0/100
10%
39 ms
338 ms
68 ms
37 ms
60 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 36% of them (26 requests) were addressed to the original Hrsonline.org, 10% (7 requests) were made to Cdnjs.cloudflare.com and 8% (6 requests) were made to F.vimeocdn.com. The less responsive or slowest element that took the longest time to load (338 ms) belongs to the original domain Hrsonline.org.
Page size can be reduced by 1.1 MB (38%)
3.0 MB
1.8 MB
In fact, the total size of Hrsonline.org main page is 3.0 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 81.0 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. This page needs HTML code to be minified as it can gain 32.8 kB, which is 34% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 81.0 kB or 84% of the original size.
Potential reduce by 8.2 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. Hrsonline images are well optimized though.
Potential reduce by 573.7 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 573.7 kB or 68% of the original size.
Potential reduce by 474.0 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. Hrsonline.org needs all CSS files to be minified and compressed as it can save up to 474.0 kB or 85% of the original size.
Number of requests can be reduced by 40 (67%)
60
20
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hrsonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
hrsonline.org
39 ms
www.hrsonline.org
338 ms
jquery-ui.min.css
68 ms
1cd2be797c145cb8013cac6ae377a7a0_1503412772_all.css
37 ms
jquery.min.js
60 ms
modernizr.min.js
61 ms
foundation.min.js
49 ms
jquery-ui.min.js
183 ms
jquery.fitvids.min.js
196 ms
jquery.cycle2.min.js
57 ms
jquery.validate.min.js
182 ms
buttons.js
222 ms
e443182007cf1e37bc54bff406a84f3e_1503412772.js
48 ms
check
238 ms
HRS-Home_logo.png
110 ms
HRS-Home_logo.png
31 ms
icons-s8ae013dcb2.png
30 ms
Board-Review-On-Demand_homepageslideshow.jpg
40 ms
Save-the-Date_homepageslideshow.jpg
57 ms
Heart-Rhythm-On-Demand-2017_homepageslideshow.jpg
39 ms
Communities-of-Practice_homepageslideshow.jpg
43 ms
Donate-Today_homepageslideshow.jpg
38 ms
icon-twitter.png
32 ms
tale-down-a.png
38 ms
icon-news.png
42 ms
icon-plus-negative.png
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Heart-Rhythm-Journal-Cover_medium.jpg
43 ms
Communities_large.png
42 ms
Twitter_large.png
45 ms
Facebook_large.png
45 ms
LinkedIn_large.png
45 ms
RSS_large.png
45 ms
Contact-Us_large.png
45 ms
close-box.png
46 ms
loading.gif
46 ms
230042216
34 ms
async-buttons.js
98 ms
pview
11 ms
player.js
49 ms
player.css
49 ms
ga.js
49 ms
vuid.min.js
49 ms
sc
100 ms
ga.js
99 ms
widgets.js
63 ms
buttons.e80452d5e7cc382dad89d10f50bde247.css
39 ms
p.js
33 ms
__utm.gif
21 ms
230042216
21 ms
t.dhj
12 ms
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79 ms
player.js
28 ms
player.css
13 ms
ga.js
27 ms
vuid.min.js
20 ms
t.dhj
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t_.js
42 ms
__utm.gif
40 ms
generic
25 ms
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tpid=CvQFBlmvITQAAAASHQR3Aw%3D%3D
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38 ms
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hrsonline.org 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
Buttons do not have an accessible name
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
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.
hrsonline.org 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
hrsonline.org 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hrsonline.org 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 Hrsonline.org 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.
hrsonline.org
Open Graph data is detected on the main page of Hrsonline. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: