What does mastercard.com track?
Before any consent, mastercard.com 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.mastercard.com/de/de.html once and clicking nothing. How we scan
- Tracking companies
- 1
- Tracking cookies
- 0
- Third-party hosts
- 5
- Cookies in total
- 7
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
1 of the 4 companies it contacted before consent were analytics companies.
- Adobe3 requestsAnalytics
assets.adobedtm.com
Other third parties (content delivery, consent, functional, unclassified)
Cookies set before consent
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| LB1 | Unclassified | mastercard.com | Under a day |
| _abck | Functional | mastercard.com | 12 months |
| ak_bmsc | Functional | mastercard.com | Under a day |
| bm_sv | Functional | mastercard.com | Under a day |
| OptanonConsent | Functional | mastercard.com | 12 months |
| TS0143db32 | Functional | mastercard.com | Session |
| bm_sz | Necessary | mastercard.com | Under a day |
The page also wrote 5 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.