See also:

• Computers: Internet: On the Web: Web Portals  (47)
• Computers: Internet: Web Design and Development: Promotion  (1,764)
• Reference: Knowledge Management: Knowledge Representation: Semantic Web  (49)

Pandia Powersearch     www.pandia.com/powersearch List of search engines and directories. Also includes a metasearch engine, search tutorial, and a free newsletter.

Age of Dot Com  www.ageof.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  www.alephsearch.co.uk A directory of directories. Links to selected information rich web resources, both unspecialised and specialised, with a strong emphasis on United Kingdom based sites.

Alt Search Engines  altsearchengines.com Charles Knight maintains a list of the top 100 alternative and niche search engines. Includes news, reviews and debates on search engines.

Big Search Engine Index  www.search-engine-index.co.uk Directory listing hundreds of search engines, categorized, described and rated.

Complete Planet  www.completeplanet.com Directory of databases and specialty search engines from Bright Planet.

CyberTimes Navigator  topics.nytimes.com/top/news/technology/cybertimesnavigator 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  www.freepint.com/gary/direct.htm 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  homepage.ntlworld.com/fetchfido2/interface/search_engines_universal.htm A graphical interface of links to search engines. Multi-layered, with universal, United Kingdom, United States, European and worldwide sections.

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

FTP Search Engines  www.ftpsearchengines.com Rated links to ftp and mp3 search sites.

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

Indexing the Internet  www.tk421.net/essays/babel.html An essay by John Hubbard analyzing the question of what is the best way to index the Internet, with references.

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

OpenSearch  www.opensearch.org A collection of simple formats for the sharing of search results. Includes specifications and frequently asked questions.

Search Engine Colossus  www.searchenginecolossus.com Directory of hundreds of search engines, organised by country and topic.

Search Engine Relationship Chart  www.bruceclay.com/searchenginechart.pdf Bruce Clay's pictorial view of how search engines provide data to partner engines and directories. [PDF]

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

Search Engine Watch  searchenginewatch.com A guide to search engine marketing and search engine optimization. Forums, reviews, articles, ratings, and frequent newsletters. Paying members receive access to extra content.

Search Engines Worldwide  home.inter.net/takakuwa/search Search engines sorted by geographical location.

Search Tools for Web Sites and Intranets  www.searchtools.com 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  searchenginez.com 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  www.robertlackie.com/invisible/index.html 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  www.topix.com/business/search-engines News on the search engine industry continually updated from thousands of sources around the Net.

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