I recently started using StayFocusd and it rocks! StayFocusd is a productivity tool that stops you from visiting websites where you waste time. Whatever your timesinks are (for me feedly and reddit are some of the worst), you just add them to StayFocusd’s blocklist and after 10 minutes (or whatever time you set), it blocks them. By default it also blocks links that you clicked while on a site in your block list. For example, if you follow a link from reddit, that still counts toward your 10 minutes of browsing for that day.
I’m not sure how I feel about having to outsource my self-control to a Chrome extension, but on the upside I get a lot more done when I don’t have to make the decision between doing work and checking feedly again for shiny new blog posts. Try it, you’ll probably hate it but you’ll probably get more done :)