The Difference Between SEM and SEO

Posted on Posted in SEO

What is the difference between Search Engine Marketing (SEM) and Search Engine Optimisation (SEO)? Many have asked me this question, so I thought I might throw a couple of definitions out there to explain.

SEO

I am going to start with SEO, as it is a part of SEM. SEO is the act of optimising the HTML and content of your website (for relevant, targeted key phrases for example) in order to attain higher natural listings than competing websites. SEO provides a cheaper long term solution for increased qualified traffic and generates customer inquiries that ultimately convert to sales.

SEM

Now SEM is broader than SEO. It includes SEO and other areas to improve a sites visibility in search engine results pages, like paid listings and paid inclusions. You can think of SEM as a more expensive exercise and quite possibly more targeted, while SEO is free (not counting your time of course) and its purpose is to obtain better free search listings.

Start with SEO and then move onto SEM.

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