There is a plethora of sites, blogs and online articles out there on the Web to tell you all the things you should be doing to improve your rankings and performance on the search engines. A lot of the tips and techniques mentioned by these online SEO gurus are useful - but most of the time, they don’t tell you what you should not be doing while optimising your site. In this article, Livewire lists the four Cardinal Sins of SEO… commit them, and you could get banned by the Big Three, that is, Google, Yahoo and MSN.
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