mi‧cro‧site /ˈmaɪkrəʊsaɪt $ -kroʊ-/ (also minisite) noun [countable]
a WEB PAGE that is separate from but connected to a website’s home page, with a completely different Internet address. It typically gives extra information about the website or advertises a product or service related to the website.

[TahlilGaran] Dictionary of Contemporary English ▲