People, or clients if I may, ask me a lot about how to look at UX for their input, mostly content.
Here are a few links to very good UX common knowledge on how a webdesign is perceived by visitors:
1. Smashing article on 10 useful usability findings and guidelines
2 Understanding the Z-layout
The Z layout gives you a great way to address your content and guide visitors to your call to action
3 Understanding the F-layout The F-layout is very useful for sites that will go in depth later on a page. Like newspapers or magazines