29.6 sec in total
183 ms
25.1 sec
4.3 sec
Visit research.americanheart.org now to see the best up-to-date Research American Heart content for United States and also check out these interesting facts you probably never knew about research.americanheart.org
Submit your research proposals and grant applications to the AHA via ProposalCentral. Streamline your submission process and access helpful resources today.
Visit research.americanheart.orgWe analyzed Research.americanheart.org page load time and found that the first response time was 183 ms and then it took 29.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
research.americanheart.org performance score
name
value
score
weighting
Value3.8 s
26/100
10%
Value15.2 s
0/100
25%
Value10.7 s
7/100
10%
Value27,310 ms
0/100
30%
Value0.02
100/100
15%
Value34.9 s
0/100
10%
183 ms
879 ms
1130 ms
1550 ms
1371 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Research.americanheart.org, 33% (21 requests) were made to Professional.heart.org and 13% (8 requests) were made to Static.cloud.coveo.com. The less responsive or slowest element that took the longest time to load (13.4 sec) relates to the external source 10571792.fls.doubleclick.net.
Page size can be reduced by 851.3 kB (76%)
1.1 MB
273.3 kB
In fact, the total size of Research.americanheart.org main page is 1.1 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. CSS take 910.5 kB which makes up the majority of the site volume.
Potential reduce by 85.3 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 85.3 kB or 80% of the original size.
Potential reduce by 1.3 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. Research American Heart images are well optimized though.
Potential reduce by 10.5 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 10.5 kB or 23% of the original size.
Potential reduce by 754.2 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. Research.americanheart.org needs all CSS files to be minified and compressed as it can save up to 754.2 kB or 83% of the original size.
Number of requests can be reduced by 26 (52%)
50
24
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Research American Heart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
research.americanheart.org
183 ms
aha-proposalcentral
879 ms
optimize.js
1130 ms
aha-custom-gtm-recipes.js
1550 ms
css2
1371 ms
vendor.css
24 ms
app.css
1484 ms
VisitorIdentification.js
118 ms
smart.js
1481 ms
global.css
1543 ms
vendor.bundle.js
1528 ms
app.bundle.js
1463 ms
CoveoFullSearch.css
1431 ms
CoveoForSitecore.css
1430 ms
CoveoJsSearch.Lazy.min.js
1461 ms
CoveoForSitecore.Lazy.min.js
1430 ms
en.js
1429 ms
gtm.js
1263 ms
Professional_Heart_Daily_header_logo.png
242 ms
102.json
1431 ms
twitter-gray.svg
265 ms
facebook-gray.svg
306 ms
instagram-gray.svg
276 ms
youtube-gray.svg
307 ms
pinterest-gray.svg
304 ms
linkedin-gray.svg
324 ms
AHALogofullredblk2x.png
343 ms
nhc_optimized.png
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bbb_100px.png
365 ms
Charity-Navigator.png
365 ms
ComodoSSLSecureSeal.png
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AHALogofullredblk2x.png
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1712 ms
JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf
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JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf
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js
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analytics.js
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hotjar-3009071.js
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insight.min.js
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fbevents.js
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activityi;src=10571792;type=aha01;cat=aha_p0;ord=983475235896;gtm=2wg8o0;auiddc=261430504.1661656653;~oref=https%3A%2F%2Fprofessional.heart.org%2Fen%2Fresearch-programs%2Faha-proposalcentral
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aha-icon-font.ttf
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css
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collect
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src=10571792;type=aha01;cat=aha_p0;ord=983475235896;gtm=2wg8o0;auiddc=261430504.1661656653;~oref=https%3A%2F%2Fprofessional.heart.org%2Fen%2Fresearch-programs%2Faha-proposalcentral
1701 ms
box-1ada912494ba7fc7aca15fcef1c2a7ae.html
1583 ms
Searchbox.min__4da234f0fccb61abb03c.js
348 ms
CoveoForSitecoreConfigureSearchHub.min.js
213 ms
CoveoForSitecoreExpressions.min.js
305 ms
visit-data
758 ms
81 ms
generic
80 ms
25 ms
rubicon
95 ms
generic
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research.americanheart.org accessibility score
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.
research.americanheart.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
Missing source maps for large first-party JavaScript
research.americanheart.org SEO score
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Research.americanheart.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 Research.americanheart.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.
research.americanheart.org
Open Graph description is not detected on the main page of Research American Heart. 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: