It's difficult to determine the "best" affiliate marketing sites for 2023 as it largely depends on your niche, audience, and personal preferences. Some popular affiliate marketing platforms include:

  • Amazon Associates
  • Commission Junction (CJ Affiliate)
  • ShareASale
  • eBay Partner Network
  • Rakuten Marketing
  • FlexOffers
  • Avangate Affiliate Network
  • TapAffiliate

These are just a few examples, and there are many other affiliate networks available. It's important to research and compare several options to find the best fit for your business needs.