Nature 400, 107 (8 July 1999) | doi:10.1038/21987

Accessibility of information on the web

Steve Lawrence1 and C. Lee Giles1

  1. Steve Lawrence and C. Lee Giles are at NEC Research Institute, 4 Independence Way, Princeton, New Jersey 08540, USA.
    e-mail: Email:

Search engines do not index sites equally, may not index new pages for months, and no engine indexes more than about 16% of the web. As the web becomes a major communications medium, the data on it must be made more accessible.