aacr.org
American Association for Cancer Research (AACR)
Last scanned Jul 26, 2026, 5:18 AM · 1 view
Overall score
Great
Summary
The AACR is the first and largest cancer research organization. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is good (85/100). Security scores fair (65/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
The AACR is the first and largest cancer research organization. Our mission is to prevent and cure cancer through research, education, communication, collaboration, funding, and advocacy. Our 58,000 members translate innovative science into cancer cures.
- United States
- Hosted on Cloudflare
Top issues to fix
9 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+3 more issues — details in the sections below.
SEO
1 issue(s) found
Performance
3.10 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
The AACR is the first and largest cancer research organization. Our mission is to prevent and cure cancer through research, education, communication, collaboration, funding, and advocacy. Our 58,000 members translate innovative science into cancer cures.
Contact
Email, phone, and address published on this site's own pages.
- aacr@aacr.org
- Phone
- 12154409300
Meta tags
- Title
- American Association for Cancer Research (AACR)
- Description
- The AACR is the first and largest cancer research organization. Our mission is to prevent and cure cancer through research, education, communication, collaboration, funding, and advocacy. Our 58,000 members translate innovative science into cancer cures.
- Canonical
- https://www.aacr.org/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.25.163
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.aacr.org
- Valid from
- Jul 6, 2026
- Valid to
- Oct 4, 2026
- Days until expiry
- 67
- SAN domains
- www.aacr.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 0
Links
207 internal · 62 external · 1 broken
Images
14 total · 5 missing alt
Scripts / Styles
61 scripts · 8 stylesheets
JS / CSS size
592 KB · 25.9 KB
Page size
270 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 3
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
Accessibility issues
- More than 20% of images are missing alt text
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Team
People listed on this site's own team or about page.
Scan details
- Requested URL
- https://aacr.org
- Final URL
- https://www.aacr.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 3.10 s
- HTML size
- 270 KB
- Redirect chain
- https://aacr.org → https://www.aacr.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does aacr.org use?
- aacr.org is built with PHP, WordPress, jQuery, Google Analytics, Cloudflare Analytics, Meta Pixel.
- Is aacr.org secure (HTTPS)?
- Yes. aacr.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 4, 2026.
- Who hosts aacr.org?
- aacr.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is aacr.org's SEO score?
- aacr.org scored 95/100 for SEO in the latest analysis (excellent).
- What is aacr.org's overall website score?
- aacr.org has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Is aacr.org hiring?
- aacr.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card