Search Engine Optimization: how to start ?

Why does my website not appear in the Search Engine result pages (SERP) ?
How to build a new website and be found in Google ?

In short there are 3 important domains when thinking about SEO:

• On page factors (page title, content, etc…)
• Off page factors (accessibility, redirects, …)
• Popularity of the website

More on this later !

You want a place to start ?

1. A basic start would be the Google Webmaster Help Center. 
2. Then you could read the beginners manual for SEO at SEOmoz.
3. Also at SEOmoz you can find a list of detailed SEO factors with rating of importance (rated by specialists !).
   Another handy overview you can find at Google Ranking Factors – SEO Checklist.
4. As a next step one could find a nice overview of SEO sources on the mahalo overview page.

Good luck !