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Thanks for the question! Let's break this down: Equity-Passing (formerly follow) - Typically links which pass value from one page to another, including followed, 301, and meta refresh links Non-Equity Passing (formerly nofollow) - Typically links that are nofollowed or don't send value (rel=nofollow , meta nofollow, off screen, 302, RSS feed) Only rel=nofollow  - Links that have the rel=nofollow attribute Only Follow - Links that don't have the rel=nofollow attribute, but still may not pass equity (i.e. 302 links and meta nofollows would be returned) Only 301 - Links that are only specifically 301 links Hope this cleared things up for you Best, Sam Moz Helpster