What does cancer.org track?
Before any consent, cancer.org loaded 1 tracking company and set 0 advertising or analytics cookies.
That's fewer tracking companies than most sites we scanned: 75% of the 2,450 sites we checked loaded more.
Scanned October 2, 2026 from Germany, loading www.cancer.org once and clicking nothing. How we scan
- Tracking companies
- 1
- Tracking cookies
- 0
- Third-party hosts
- 15
- Cookies in total
- 4
Consent banner
The page loaded OneTrust, a consent management platform. Everything below was recorded before anyone answered it. 1 tracking company still loaded while it was unanswered.
Companies contacted before consent
3 of the 9 companies it contacted before consent were unclassified.
- Google Analytics3 requestsAnalytics
www.googletagmanager.com
Other third parties (content delivery, consent, functional, unclassified)
- five9.com3 requestsUnclassified
app.ps.five9.com, live-chat.ps.five9.com
- braintreegateway.com2 requestsUnclassified
js.braintreegateway.com
- conductrics.com1 requestUnclassified
acs.cdn-v3.conductrics.com
- OneTrust11 requestsConsent banner
cdn.cookielaw.org, geolocation.onetrust.com
- Google22 requestsFunctional
fonts.gstatic.com, www.gstatic.com, www.google.com, fonts.googleapis.com
- Cloudflare7 requestsContent delivery
cdnjs.cloudflare.com
- Microsoft Azure5 requestsContent delivery
assets-chat-dqcfe8adhpcrfnbc.a03.azurefd.net, assets-donate.azureedge.net
- unpkg1 requestContent delivery
unpkg.com
Cookies set before consent
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| cp-sess | Unclassified | cancer.org | 30 days |
| ARRAffinity | Functional | cancer.org | Session |
| ARRAffinitySameSite | Functional | cancer.org | Session |
| OptanonConsent | Functional | cancer.org | 12 months |
The page also wrote 2 keys to local storage, which works like a cookie but isn't sent with requests.
Understanding this page
- How to see which cookies and trackers a website loads
A hands-on walkthrough for checking what a site sets before you've clicked anything, using Chrome and Firefox's built-in tools, plus how CookieTosser automates the same check every month.
- What counts as valid cookie consent in the EU
The rules that actually govern cookie banners — the ePrivacy Directive, the GDPR consent standard, the Planet49 ruling, the strictly-necessary exemption, and what "reject" has to offer compared with "accept.
- Consent management platforms explained
What a CMP banner is actually doing behind the scenes, how the IAB's TCF standard and Google's Consent Mode v2 fit in, and why a banner being present is no guarantee that nothing loads before you answer it.