Simple Blocker is an easy to use Chrome extension which allows you to block websites. You can block specific subdomains (news.google.com) or entire. Add a website you want to block in the options and it is automatically blocked. When you try to go to this page it will be redirected to a special blocked website. AdBlock. The #1 ad blocker with over 200 million downloads. Blocks YouTube, Facebook and ads everywhere else on the web. The original AdBlock for Chrome. By default, Google Chrome blocks pop-ups from automatically showing up on your screen. When a pop-up is blocked, the address bar will be marked Pop-ups.
Finally, an efficient blocker. Easy on CPU and memory.