What are the main points to consider for SEO, when working on an existing site?

Marketing
1

Whats a definative SEO check list ?

2

if that particular thread is useful, then so is the FAQ thread stickied at the top of this forum.

3

This could also be helpful http://www.sitepoint.com/forums/showthread.php?t=600658

4

imho, you posted this in the wrong section of the Sitepoint forums. There’s a dedicated SEO subforum where you’ll also find an FAQ which tells you pretty much everything you need to know.

Here’s also a list of ranking factors:

5

thanks very much.