When evaluating whether the information in any source is reliable, a few things to consider are:
Because anyone can create a web page it is important to to distiguish reliable information from bad information or misinformation on the web.
The author should be held to the same degree of credentials and authority that one would expect from something published in a reputable print resource (book, journal article, reputable newspaper, etc.).
Here are five simple criteria for evaluating information on the internet:
Professional journalists and other fact checkers use the concept of lateral thinking. The Four Movements, or SIFT, spell out what to do: