What is Search Engine Optimization?

Many web designers / developers claim that they know SEO. Their definition of SEO is inserting keywords into Meta tags. Wrong!

I’ve just started my SEO project (www.kookchun.com). I’m trying to optimize my website for keywords that are related to “freelance web site designer”.

If you are an expert, can you critic my website regarding SEO? Tell me what I’m doing right and what I’m doing wrong.