Know the target market.
Your
site show be focused on who you are designing your site for,what is
your target market clearly defined gives you a good picture of what you
are going to work on.
Define your reason for the Website.
What problems are you trying to solve,or what do you want to achieve. make your self know it before you tell others.
Make your site good,simple,relevant and involving.
Lets the user admire your site this will make them spend lot of time on your site and make it more interactive and upto date.
Get the best tools and software's to build your site.
With the right software like Dreamweaver you can design, develop, and deploy standards-based websites and applications.
Buy a Dreamweaver CS5 and start your website.