Search engine optimisation (SEO) is something that you need to learn about if you want to give your website the best possible chance of success. The reality is that you must use SEO if you want your website to rank as highly as possible on the search engine results pages because the higher you are up on the search results this will mean your website will get more traffic. So how do you go about learning SEO?
The internet is probably the best place to start looking when it comes to finding out about the various SEO techniques that are effective. Remember that SEO changes all the time so it would probably be unwise to buy a book on the topic as it would quickly go out of date. And most of the information that you need is available for free online so you would also be wasting money paying for books etc.