Social Mouths has a great article about things that you, as a non-expert, can do to improve your SEO. SEO stands for Search Engine Optimization and is essentially the art of bringing people to your site based on what they type into Google.
By Google, I mean the search engines.
The advise is very good, and very basic, so it is definitely something that you can do on your own, without having to hire me or someone like me. Enjoy the article!