Craftcult.com has a section called the heartomatic that can show you who has hearted your shop, specific items as well as telling you if you're featured in the Gift Guides, Front Page, and Storque.
There's another site called statsy.org where you can sign up with the Featurator to be emailed each time you appear on the front page.
This adorable red monster is from HappyMonsterTime's shop -- check it out!
