minisite

From mini- +‎ site.

minisite (plural minisites)

1. (Internet) A small web site.
   • 2009 September 3, Warren Buckleitner, “A Full Palette of Tools for Little Artists at Disney.com”, in New York Times‎^[1]:

     Create, a minisite for Web creativity tools on Disney.com, has Digital Painter at its core, with features that Photoshop users used to dream about: unlimited undo and redo, unlimited layers that can be moved after they’re placed, and no limits to the number of objects that can be stamped on the screen.