The fact that the World Wide Web is free and accessible does not make it the best place to find high-quality information. Library resources such as books and journals have been evaluated by publishers, subject experts, and librarians; however, most information on the Web does not go through an editorial process and can be posted by anyone. It is essential to develop skills to evaluate what you find.
Here is a basic guide to evaluating Web sources using the ABC’s: Authority and Affiliation, Balance and Bias, and Currency.