21. Keep Me Out
World ranking: 388,407
Having trouble focusing on your studies? This website could be your lifesaver. You set yourself a warning for staying on a website that’s not related to your subjects, like Facebook and Twitter. It isn’t only for students, even working people, basically, everyone needs this in their lives–well, everyone who can’t control themselves. There’s nothing wrong with a little social media break, as long as it doesn’t distract you.
