When you add a nofollow tag to a link on your site, you’re basically telling search engines that they shouldn’t count your backlink when ranking that page. Doing this helps you avoid leaking link value to pages that may not be trustworthy, or, in case of affiliate marketing, to your advertiser’s website. But what if …Read: "Ask Yoast: Nofollow tags for Amazon affiliate links"
Affiliate marketing is a way of promoting a business, products or services through a business partner. For instance, you can link from your site to an affiliate website. When they sell products or services or acquire customers thanks to this link, you’ll usually get a percentage of the earnings. This is a way to monetize your blog. Read more about this practice and how to implement it here!