americanheart.org
American Heart Association | To be a relentless force for a world of longer, healthier lives
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Great
Summary
Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance good (80/100). Top issue: Title longer than 60 characters.
Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Also learn about cardiovascular conditions, ECC and CPR, donating, heart disease information for healthcare professionals, caregivers, and educators and healthy living.
- United States
- Hosted on Cloudflare
Top issues to fix
8 issues found · 1 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
1.18 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Also learn about cardiovascular conditions, ECC and CPR, donating, heart disease information for healthcare professionals, caregivers, and educators and healthy living.
Contact
Email, phone, and address published on this site's own pages.
- youremail@domain.com
Meta tags
- Title
- American Heart Association | To be a relentless force for a world of longer, healthier lives
- Description
- Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Also learn about cardiovascular conditions, ECC and CPR, donating, heart disease information for healthcare professionals, caregivers, and educators and healthy living.
- Canonical
- https://www.heart.org/en/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, user-scalable=yes
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.27.158
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.heart.org
- Valid from
- May 28, 2026
- Valid to
- Aug 26, 2026
- Days until expiry
- 31
- SAN domains
- www.heart.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 9 cookie(s) observed
Content & assets
Headings
H1 1 · H2 23 · H3 1
Links
150 internal · 65 external · 1 broken
Images
38 total · 1 missing alt
Scripts / Styles
23 scripts · 6 stylesheets
JS / CSS size
771 KB · 484 KB
Page size
222 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 12
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://americanheart.org
- Final URL
- https://www.heart.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.17 s
- HTML size
- 222 KB
- Redirect chain
- https://americanheart.org → https://www.heart.org/
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Frequently asked questions
- What technology does americanheart.org use?
- americanheart.org is built with Bootstrap, jQuery, Cloudflare Analytics.
- Is americanheart.org secure (HTTPS)?
- Yes. americanheart.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Aug 26, 2026.
- Who hosts americanheart.org?
- americanheart.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is americanheart.org's SEO score?
- americanheart.org scored 75/100 for SEO in the latest analysis (fair).
- What is americanheart.org's overall website score?
- americanheart.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card