Now in Google you can blockor hide that particular sites and all of its results.means now you can personalize your search results also.

sometimes it happens that you have not get thae particular result that you want.or we can say its not quite right.Many times you’ll head right back to Google. Perhaps the result just wasn’t quite right, but sometimes you may dislike the site in general, whether it’s offensive, pornographic or of generally low quality.For times like these, you’ll start seeing a new option to block particular domains from your future search results. Now when you click a result and then return to Google, you’ll find a new link next to “Cached” that reads “Block all example.com results.”

when you click on Block all results of XYZ.com you will get a confirmation message as well as the option to undo your choice.you’ll need to sign in before you can confirm a block.because domains of whatever site you want to block are connected to your google account.

Now whenever you search next time that blocked site results will not appear but when you search for that type of result and if in that results block site result is also include then you will got a message at the bottem of the page that “you have blocked XYZ results.so you can manage and unblock that sites if you want.