Many people first approach SEO (search engine optimisation) with a sense of fear and dread. However, gaining top positions in the major search engines is actually within anyone’s grasp, so long as you know what you are doing, avoid the common mistakes, and put a lot of quality work into it.

Webologist provide a good introduction to SEO. Read it here: Seo Tips: Improving Search Engine Placement with Simple SEO.

The main points are:

1. Build a Site Slowly
2. Build a Good Reputation
3. Develop a Brand
4. Write Unique Content
5. Build a Loyal Readership
6. Build Trust
7. Have Good Quality Site Link to Your Site

Then there is the on-page optimisation, such as good use of titles, headers and other HTML elements.

Feel free to ask questions here if you need more information.