The naughty boy techniques are known as spamdexing, search engine spam, search engine poisoning, back hat SEO and so forth. Since the introduction of Panda on Google in 2011 and Penguin, some of the Search Engine Optimisation ranking old tricks no longer work. So be careful that the Search Engine Optimisation techniques you have found on a website still work. Go naughty.. get caught… and you may find the ranking of your site is lowered or even worse banned…