Search Engine Optimization (SEO) is a popular topic, and for good reason. We all use search engines every day to help us find websites relevant to our searches. Naturally, if you have a website, you will want it to show up in those search results. SEO can help you make sure, at the very least, that your site (through code or content) will do no harm to your chances of ranking. But the job of creating good content, which is one of the most important ranking factors, is your main task.