Is the content of your Website up to date?  Are you able to maintain the content yourself?  The Internet is a synonym for being up-to-date. Think about maintaining your website before you start. A Content Management system makes it easier for non-technical users to maintain the content themselves.

Prepare the information for your homepage in advance: short text and keep it to the point, link to further information, use animation to make difficult things visible, ask your user what he wants to know , offer a search option......

A website is never finished. Once you are online, you will continue to have lots of ideas about further developing the content. Make sure you are able to make some adjustments and additions yourself.

Are your users able to communicate, download/print price lists, brochures, fill in forms, chat with other customers, vote....