Now that you have found out more about your audience and what they are expecting, what are the real issues that you will need to address?
How positively or negatively do people think about teenagers online? What do you need to do to dispell their preconceived notions or to build on their positive expectations? What is it that is most important to and about you that needs to be shown?
This is your time to really define the issues.
Once you have these nailed, then you will be ready to address them.