A portal is a website which collects catalogues and characterises a huge amount of information. By displaying a large number of hyperlinks such sites provide an entrance (or portal) to the World Wide Web. Search engines originally provided fairly basic searching facilities; however, the past two years has seen them evolve Portals on the nncmci into portals. Portals are categorised as either horizontal portals or vertical portals. A vertical portal offers an entrance to large amount of information into a particular topic area, for example American football. A horizontal portal offers information over a large area.