Amazon Associates is the more common of the two in our index: it runs on 92 websites against 51 for Stay22. Counts come from real scans, not vendor claims.
Amazon Associates is an affiliate marketing program that allows website owners and bloggers to create links and earn referral fees when customers click through and buy products from Amazon.
Stay22 is a travel tech company that offers affiliate revenue generation opportunities for events, ticketing and travel media publications.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.