Search Engine Optimization is one of the latest technologies which can help your website to gain more exposure online.
However, there are some basic rules which you need to follow while promoting your website.
a) Your TITLE should reflect most important service/product offered by your website
b) Your Meta Description tag is important. If you dont include Meta Description, then your Google webmaster account will show errors.
c) Add Quality Content on regular basis. Search engines like those websites which publish fresh content regularly.
d) Try to make Viral Content which will help you develop quick back links and will help your website to gain more rankings on search engines.
I hope it might help you guys!!