We do not advertise any issuer but we have referrals for Chase, American Express and Capital One. Extra links for Uber. Our sites use Google Analytics, so Google can see your info. Our other partner Puter gets info to run our services. We also give some data to Microsoft and Cloudfare. Although our services give data to our partners:
https://policies.google.com/privacy?hl=en-US
https://www.microsoft.com/en-us/privacy/privacystatement
https://www.cloudflare.com/privacypolicy/