Neil Patel over at QuickSprout wrote an excellent post today about 5 SEO techniques everyone should stop using immediately. Google has recently taken action against high profile sites like Rap Genius for using some of the techniques on Neil’s list. Study this list and make whatever changes are necessary so your website content comes into compliance.
Don’t cut corners or try and cheat with SEO. Any short term gains are not worth getting penalized for. You do not want to be on Google’s bad side!