Daniele Alessandra

With this plugin every contributor will be able to check how his contents look like in every context. 
it works with posts, pages and custom post types as well, and every contributor may enable his own previews (i.e. two or more users may create and navigate their own contents without interfering one another).

Preview Everywhere

Sometimes a single page preview is not enough, with this plugin you’ll be able to check how you contents look like in every context, including home pa …

theode

I once thought I need a different home page for different viewers. 
In best case those users have a GET parameter which decides which page has to be shown.
For Example: 
You go into WordPress and add a page with a name of your choice (in this case the page slug). I chose “music”. 
Now if you want somebody view the music page you have the parameter http://www.example.com/?view=music. 
You can do this with every page you have.
In case you leave it empty nothing happen at all.

GET Different Front Page

Have different primary menus for different viewers.

Preview Everywhere vs GET Different Front Page