You check to see if the information is current
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 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.
it is better to use as many significant words as possible
it is better to write a complete sentence.
it is better to use only one word.
or, maybe, not
and, or, not
maybe, not
and, or, maybe
a meta search site like Dogpile
a directory search like Yahoo
a single search engine like Google.
With so much information on the Internet you are more likely to find what you need.
Boolean words
keywords
content words
important words