Tools & Wizards About Us
research.americanheart.org screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

research.americanheart.org

AHA ProposalCentral - Professional Heart Daily | American Heart Association

Page Load Speed

2.1 sec in total

First Response

82 ms

Resources Loaded

1.7 sec

Page Rendered

320 ms

research.americanheart.org screenshot

About Website

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.org

Key Findings

We analyzed Research.americanheart.org page load time and found that the first response time was 82 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.

Performance Metrics

research.americanheart.org performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value15.7 s

0/100

25%

SI (Speed Index)

Value10.2 s

9/100

10%

TBT (Total Blocking Time)

Value2,270 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

research.americanheart.org

82 ms

UCM_506014_AHA-ProposalCentral.jsp

56 ms

aha-proposalcentral

704 ms

28801400439.js

126 ms

optimize.js

124 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Research.americanheart.org, 55% (22 requests) were made to Professional.heart.org and 13% (5 requests) were made to Static.cloud.coveo.com. The less responsive or slowest element that took the longest time to load (704 ms) relates to the external source Professional.heart.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.2 kB (10%)

Content Size

844.5 kB

After Optimization

759.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Research.americanheart.org main page is 844.5 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. 50% of websites need less resources to load. Javascripts take 650.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 80.0 kB

  • Original 96.7 kB
  • After minification 94.2 kB
  • After compression 16.8 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 80.0 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 38.7 kB
  • After minification 38.7 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.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 650.5 kB
  • After minification 650.5 kB
  • After compression 649.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 3.9 kB

  • Original 58.6 kB
  • After minification 57.9 kB
  • After compression 54.6 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 has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (51%)

Requests Now

37

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 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 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

research.americanheart.org

research.americanheart.org

82 ms

UCM_506014_AHA-ProposalCentral.jsp

UCM_506014_AHA-ProposalCentral.jsp

56 ms

aha-proposalcentral

aha-proposalcentral

704 ms

28801400439.js

28801400439.js

126 ms

optimize.js

optimize.js

124 ms

otSDKStub.js

otSDKStub.js

92 ms

css2

css2

108 ms

bootstrap-icons.css

bootstrap-icons.css

102 ms

vendor.css

vendor.css

31 ms

VisitorIdentification.js

VisitorIdentification.js

71 ms

smart.js

smart.js

629 ms

global.css

global.css

122 ms

email-decode.min.js

email-decode.min.js

69 ms

vendor.bundle.js

vendor.bundle.js

118 ms

app.bundle.js

app.bundle.js

106 ms

CoveoFullSearch.css

CoveoFullSearch.css

101 ms

CoveoForSitecore.css

CoveoForSitecore.css

105 ms

CoveoJsSearch.Lazy.min.js

CoveoJsSearch.Lazy.min.js

117 ms

CoveoForSitecore.Lazy.min.js

CoveoForSitecore.Lazy.min.js

111 ms

en.js

en.js

104 ms

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

615 ms

gtm.js

gtm.js

624 ms

7da2f744-a28d-4f9d-aef0-b19103f72049.json

7da2f744-a28d-4f9d-aef0-b19103f72049.json

580 ms

Professional_Heart_Daily_header_logo.png

Professional_Heart_Daily_header_logo.png

438 ms

x_aha.svg

x_aha.svg

44 ms

youtube-gray.svg

youtube-gray.svg

49 ms

facebook-gray.svg

facebook-gray.svg

182 ms

instagram-gray.svg

instagram-gray.svg

50 ms

threads_aha.svg

threads_aha.svg

215 ms

Tiktok_grey.png

Tiktok_grey.png

175 ms

linkedin-gray.svg

linkedin-gray.svg

177 ms

pinterest-gray.svg

pinterest-gray.svg

179 ms

AHA_100_years_bold_hearts_footer_logo.png

AHA_100_years_bold_hearts_footer_logo.png

180 ms

nhc_optimized.png

nhc_optimized.png

215 ms

Better_Business_Bureau_logo.png

Better_Business_Bureau_logo.png

214 ms

Charity_Navigator_logo_120.jpg

Charity_Navigator_logo_120.jpg

214 ms

sectigo_trust_seal_140w.png

sectigo_trust_seal_140w.png

214 ms

AHALogofullredblk2x.png

AHALogofullredblk2x.png

214 ms

a25670000279.html

a25670000279.html

216 ms

css

css

47 ms

Accessibility Review

research.americanheart.org accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

research.americanheart.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

research.americanheart.org SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    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.

Social Sharing Optimization

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: