Stackoverflow does that. As a regular user you can contribute by reviewing q&as from a special queue, it’s next to your username+score div. https://www.google.

Stackoverflow does that. As a regular user you can contribute by reviewing q&as from a special queue, it’s next to your username+score div. https://www.google.com/search?q=stackoverflow+review+queue&tbm=isch https://www.google.com/search?q=stackoverflow+review+queue&t...