I want to make a website for my Android social networking app and need some assistance with a basic concept regarding user profile pages. So right now I have a native Android app where users have their own profile page displaying their profile stats, e.g. followers etc. and I would like to do something similar in HTML. My question is how can I design a generic profile.html page that displays the current user's username/stats and that can be used for different users? For example, see how Facebook are using the same profile page for each user but they replace the name/bio/stats fields with the data for the current user, how is that done - at the server side (by replacing the appropriate fields with the data for the current user), or at the client side (by loading them with a separate script after the page has loaded)?
Also, I am using a Tomcat servlet to deal with the requests if anyone is interested.
Thanks for any assistance and sorry if the question is silly :)