Astronaut High School
"Search Engines"

Search engines use automated software programs known as spiders or bots to survey the Web and build their databases. Web documents are retrieved by these programs and analyzed. Data collected from each web page is then added to the search engine index. When you enter a query at a search engine site, your input is checked against the search engine's index of all the web pages it has analyzed. The best urls are then returned to you as hits, ranked in order with the best results at the top.

CHECK NOODLETOOLS FIRST FOR GOOD SEARCH ENGINE STRATEGY and List of Search Engines.

SEARCH ENGINES

GOOGLE
Evaluates site popularity by checking number of referrals
ALLTHEWEB
Real name is "FAST" and it is. Clear and uncluttered
YAHOO
Directories and it now uses GOOGLE Search Engine.
HOTBOT
Directories and Search Engine
ABOUT
Sites vetted by humans.
ASK JEEVES
Can search in question format
METACRAWLER
Returns results from these leading engines:
Google, Yahoo!, Ask Jeeves, About, LookSmart,
Overture, and FindWhat

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