In contrast to the breadth required by a portal service, successful vortal services need depth in their chosen area. Vortal sites will also include news, chat forums and search directories for example. However these tend to be restricted to the specific niche interest of the vortal. It is this that makes the site attractive to both users and advertisers. Users can do a search - and know that they are more likely to find something relevant to their specialised interest.
Companies can target their advertising to a narrower and more focused customer segment.
Vortal sites will often be secondary destinations - and it is possible that some portal sites will become feeders to the vortal sites. Seniors, and Yahooligans for children. The best vortals will aim to develop a sense of community among users. Vortal sites can also concentrate on particular subject interests or professions. These services include business news, discounted company information, advice and industry news.