There are some well publicised SEO techniques which are to be totally avoided. For example page cloaking which attempts to deliver different markup to the bot or spider than is actually delivered to the browser. Make no mistake about it that search engine algorithms get smarter and smarter and if you are caught trying to deceive them your web site will suffer. We know what works and what doesn't work where optimsation is concerned. We have spent significant time testing ideas and theories and have produced some amazing results.