Indepth and Detail knowledge of OnPage Optimization

Hi,

I wanna know the Indepth and Detail knowledge of some of the crucial factors of OnPage Optimization. These are:

1. Site Architecture.
2. Coding Structure.
3. Url Structure.
4. Link Structure.

The best place (s) where i gain total knowledge of the above mentioned topics.

Thanks in advance

 

You can get clear explanation on this basic on-site SEO guidelines from Google Free PDF book http://www.google.com/webmasters/docs/search-engine-optimization-starter-guide.pdf