Invisible web

Invisible web is that portion (estimated to be between 60 and 80 per cent) of total web content that consists of material that is not accessible by standard search engines. It is usually to be found embedded within secure sites, or consists of archived material. Much of the information may, however, be accessed through a library gateway, a Vortal, or a fee-based database service.


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Invisible web,Invisible web is that portion (estimated to be between 60 and 80 per cent) of total web content that consists of material that is not accessible by standard search engines. It is usually to be found embedded within secure sites, or consists of archived material. Much of the information may, however, be accessed through a library gateway, a Vortal, or a fee-based database service.,