Below is the SEO (must-do) that was posted from SeoChat forum and thought everyone can see it and benefit.
I welcome some more additions to enlarge this MUST HAVE TIPS, so that the new comers to SEO arena can get better results.
suggestions that might help:
Optional but very important:
1 – Shorten the title to 55 chars
2 – Add the robots tag
3 – Place the robots.txt in your root on your server
4 – Get rid of the js in the code and put it in an external file
5 – Use css instead of color, size and font tags
5 – Change the link buttons or js links in to text links
6 – Make sure to have a site map page
7 – Make sure you have 404 page
8 – At the bottom of each page use menus as text links
9 – Make sure your page code is not bigger than 100 K
10 – Submit your site to ODP and Yahoo Dir, make sure to select the right cat
11 – Pay special attention to your content
12 – Try to get as much as relevant links you can
13 – Read each search engines guide lines and follow them strictly
14 – Don’t spam
15 – Don’t use doorway pages
16 – Don’t cloak
17 – Always come and ask for advice on this board
18 – And pray hard that the big G appreciates all your efforts
This could help you get on top of the search engines as long as you follow each rule here 
