See also:

• Computers: Internet: On the Web: Web Portals  (55)
• Computers: Internet: Web Design and Development: Promotion  (2,059)
• Reference: Knowledge Management: Knowledge Representation: Semantic Web  (54)

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• Pandia Powersearch   - List of search engines and directories. Also includes a metasearch engine, search tutorial, and a free newsletter.
• Search Engine Watch   - Danny Sullivan's comprehensive coverage of the search engine world. Forums, reviews, articles, ratings, and frequent newsletters. Paying members receive access to extra content.

  Age of Dot Com - Links to search resources including start pages, integrated search forms, portals, engines, guides, and directories. Offers both a simple links page and a directory with descriptions and ratings..

  Aleph Search - A directory of directories. Links to selected information rich web resources, both unspecialised and specialised, with a strong emphasis on United Kingdom based sites..

  Big Search Engine Index - Directory listing hundreds of search engines, categorized, described and rated..

  Complete Planet - Directory of databases and specialty search engines from Bright Planet..

  CyberTimes Navigator - The starting point that New York Times reporters and editors use for their explorations of the Web. A straightforward list of some of the best sources on the Web for all types of information..

  Direct Search - Gary Price's compilation of links to the search interfaces of resources that contain data not easily or entirely searchable/accessible from general search tools..

  Fetchfido - A graphical interface of links to search engines. Multi-layered, with universal, United Kingdom, United States, European and worldwide sections..

  FinderSeeker - Find the search engine you want by selecting a thematical category and/or country, or search by keyword..

  FTP Search Engines - Rated links to ftp and mp3 search sites..

  Geniusfind - Categorizes thousands of the most useful topic-specific directories and databases, with descriptions..

  Indexing the Internet - An essay by John Hubbard analyzing the question of what is the best way to index the Internet, with references..

  ISEDB - A directory of search engines and directories worldwide, organized by geographical area and subject, includes articles on site submission, marketing, and optimization..

  Search Ability - A guide to directories of specialized search engines. Each directory is reviewed and classified in some detail..

  Search Engine Colossus - Directory of hundreds of search engines, organised by country and topic..

  Search Engine Relationship Chart - Bruce Clay's pictoral view of how search engines provide data to partner engines and directories. Requires Acrobat Reader..

  Search Engine Showdown - A user's guide to Web searching with features, comparative analysis, strategies, discussion, news and reviews..

  Search Engines Worldwide - Search engines sorted by geographical location..

  Search Tools for Web Sites and Intranets - Provides information, news and advice about web site searching technology. Includes a guide, search tools list, glossary, and opportunity to compare searches of its own site by different tools. Offers a free monthly email newsletter..

  Searchenginez - Search forms for the most effective engines in dozens of categories from Robert Skelton. Includes reviews, ratings, webmaster tools, and tutorials..

  Those Dark Hiding Places: The Invisible Web Revealed - Librarian Robert J. Lackie provides annotated links to directories, searchable sites, databases, and search engines useful for uncovering content that the general search engines fail to disclose..

  Topix: Search Engines News - News on the search engine industry continually updated from thousands of sources around the Net..

  The Ultimate Search Engine Links Page - A directory of search engines: general, metasearch, pay-per-click, children's, subject, country and people search. All are described and can be rated..