This document provides tips for evaluating the credibility of websites and social media sources. It recommends looking for copyright notices, citations, "About" pages, source data, domain ownership information, and image verification. Social media credibility can be checked by looking at social history, corroboration from others, the source's position to know the information, and official confirmation. The document also suggests searching for the author, website or organization online to see what others say and to find background information on Wikipedia. Exercises are included to have the reader evaluate websites and compare credibility.