I use http://hnapp.com/ to set up a custom RSS feed to filter out various topic keywords I find uninteresting/irrelevant, and then use Feedly to view the RSS feed.

If you are looking to reduce the amount of time you waste, I've found some success in using the Strict Workflow extension ( https://chrome.google.com/webstore/detail/strict-workflow/cg... ) which combines a browser blacklist with the Pomodoro timer.