How Search Engines and Directories Work

Oct 16th, 2008 | By | Category: Voodou

Search tools are constantly evolving, which can make it confusing to understand how they work. Today’s search tools fall into three main categories: crawler-based search engines, human-powered directories and hybrids. What distinguishes them is how they gather their search listings.

  • bodytext
  • del.icio.us
  • Facebook
  • StumbleUpon
  • Technorati
  • Reddit

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