You do as many of the above as possible.
You check to see if the information is accurate
You check to see if the author has been objective
You check to see if the information is current
You confirm that the author or site an authority on the subject.
Better looking web sites are more likely to have information that is correct.
An article that only presents one point of view or omits facts is biased.
a directory search like Yahoo
a meta search site like Dogpile
a single search engine like Google.
it is better to use only one word.
it is better to write a complete sentence.
it is better to use as many significant words as possible
With so much information on the Internet you are more likely to find what you need.
and, or, not
and, or, maybe
maybe, not
or, maybe, not
keywords
Boolean words
important words
content words