Most website visitors firstly read the first few lines at the top of a site and then scans left and down a site to find something of interest.
Step2
Do this simple test.
Open your word editor and type the following word beneath each other at the left hand side.
visitors read
the left
side of a
website first
Now align them right and then center.
The last two examples tend to be more difficult to read. People like easy reading and logical flow of words.
Step3
Put your most important message first! You don't want visitors to your site, navigate away before they have read your message or more importantly before you've made that sale!