This extension hides links to, and all content from, the sites you want (alpha)Site Blockr is an extension used to hide links to, and actual sites from your every day browsing. If you have a site that you don't like, or never want to visit again, just add it to the list of blockd sites in the extension options and you'll never have to see it, or references to it, again.
You can also disable all social media sites with one simple button in the extension options!
Please note: this extension is in alpha so you may find bugs. If so, please report them to me via feedback or on the support site.