cancer.org
End Cancer As We Know It | American Cancer Society
Last scanned Jul 29, 2026, 2:00 PM · 8 views
Overall score
Excellent
Summary
Dedicated to helping people who face cancer. This website uses jQuery. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: robots.txt not found.
Dedicated to helping people who face cancer. Learn about cancer research, patient services, early detection, treatment and education at cancer.org.
Top issues to fix
4 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
257 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 21, 2026
- Overall
- 92
- SEO
- 90
- Security
- 90
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Dedicated to helping people who face cancer. Learn about cancer research, patient services, early detection, treatment and education at cancer.org.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- End Cancer As We Know It | American Cancer Society
- Description
- Dedicated to helping people who face cancer. Learn about cancer research, patient services, early detection, treatment and education at cancer.org.
- Canonical
- https://www.cancer.org
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, shrink-to-fit=no, user-scalable=yes, maximum-scale=2.0
- Robots meta
- index
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Sectigo Limited
- Subject
- cancer.org
- Valid from
- Jun 16, 2026
- Valid to
- Dec 31, 2026
- Days until expiry
- 155
- SAN domains
- cancer.org, www.cancer.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 3
Links
162 internal · 32 external · 20 broken
Images
48 total · 0 missing alt
Scripts / Styles
23 scripts · 7 stylesheets
JS / CSS size
4.2 KB · 750 B
Page size
397 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://cancer.org
- Final URL
- https://www.cancer.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 249 ms
- HTML size
- 397 KB
- Redirect chain
- https://cancer.org → https://www.cancer.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cancer.org use?
- cancer.org is built with jQuery.
- Is cancer.org secure (HTTPS)?
- Yes. cancer.org uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Dec 31, 2026.
- Who hosts cancer.org?
- Hosting provider information for cancer.org is not available yet.
- What is cancer.org's SEO score?
- cancer.org scored 90/100 for SEO in the latest analysis (excellent).
- What is cancer.org's overall website score?
- cancer.org has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has cancer.org's score changed over time?
- cancer.org's overall score has declined by 3 points (from 95 to 92) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card