Search Engine Tip 1 - Search Title

• title:
  AltaVista, AllTheWeb, Inktomi
• intitle: Restricts the results to documents containing a particular word in its title.
  [intitle: google search] will return documents that mention the word "google" in their title, and mention the word "search" anywhere in the document (title or no).
  Google, Teoma
• allintitle: Restrict the results to those with all of the query words in the title.
  [allintitle: google search] will return only documents that have both "google" and "search" in the title.
  Google

Search Engine Tip 2 - Search Site

• host:
  AltaVista
• site: restrict the results to those websites in the given domain.
  [help site:www.google.com] will find pages about help within www.google.com.
  Excite, Google (Netscape, Yahoo)
• url.host:
  AllTheWeb,Lycos (for AllTheWeb results only)
• intext: Searching only the body text, ignoring titles, links, and so forth.
• domain:
  Inktomi (HotBot, iWon, LookSmart)
• Daterange:(start dateend date). You can restrict your searches to pages that were indexed within a certain time period. Uses Julian dates
• Filetype: search documents of type
• none
  AOL, Direct Hit, HotBot, LookSmart, Lycos, MSN, Netscape, Northern Light, Open Directory, Yahoo

Search Engine Tip 3 - Search URL

• url:
  AltaVista, Excite, Northern Light
• url.all:
  AllTheWeb, Lycos (for AllTheWeb results only)
• allinurl / inurl: Restrict the results to documents containing that word(s) in the url
  [allinurl: google search] will return only documents that have both "google" and "search" in the url.
  Google
• originurl:
  Inktomi (AOL, GoTo, HotBot)
• u:
  Yahoo
• none
  AOL, Direct Hit, HotBot, LookSmart, MSN, Open Directory

Search Engine Tip 4 - Search Link

• link: List web pages that have links to the specified webpage
  [link:www.octopusjuice.com] will list web pages that have links pointing to the OctopusJuice.com homepage.
  AltaVista, Google, Northern Light
• linkdomain:
  Inktomi (AOL, HotBot, iWon, MSN)(NOTE: measures links to entire domains)
• link.all:
  AllTheWeb,Lycos (for AllTheWeb results only)
• none
  AOL, Direct Hit, Excite, HotBot, LookSmart, Northern Light, Netscape, Yahoo (N/A)
  

Search Engine Tip 5 - Search Anchor

• anchor:
  AltaVista
• none
  AllTheWeb, AOL Search, Direct Hit, Excite, Google, Inktomi, HotBot, Lycos