Have you ever searched for something and the result shown is from a content farm that has scrapped or imported content say from stackoverflow? For me this is happening more and more until i found this Chrome extension. You can block these junk sites with ease. Why waste time and click on 2nd rate links?
Check it out : https://chrome.google.com/webstore/detail/nolijncfnkgaikbjbdaogikpmpbdcdef