Use the "CRAAP" Test to evaluate the information that you find. If the information doesn't pass the test, you should not use it as a source.
-- When was it published/posted or last updated?
-- Do you need current information, or are older sources acceptable?
-- Does it relate to your topic or answer your question?
-- Who is the intended audience?
-- Is the information at an appropriate level? Too advanced? Too easy?
-- Who is the author, publisher, source, or sponsor?
-- What are their credentials or organizational affiliations?
-- Is the author qualified to write on the topic?
-- Where does the information come from?
-- Is the information supported by evidence?
-- Has it been reviewed or refereed?
-- Is the information fact, opinion, or propaganda?
-- What is the purpose of the information? To inform, teach, sell, entertain, or persuade?
-- Does the point of view appear objective and impartial, free of emotion, and unbiased?