The document provides guidance on how to evaluate websites for credibility and reliability. It discusses several criteria to consider, referred to as CARRDSS: credibility, accuracy, reliability, relevance, date, sources behind the text, and scope/purpose. For each criterion, clues are provided on aspects to examine, such as considering the author's credentials, checking for errors or inconsistencies, determining when the information was published, and understanding the intended audience and purpose of the content. The document emphasizes the importance of carefully evaluating information sources to ensure reliability and relevance for research.