"Is this a valid resource for my research needs?" Investigate all websites for accuracy, authority, currency, coverage, and objectivity.
Sometimes, you can judge how reliable website information is by noting the URL ending.
.GOV - refers to a government website. Highly reliable.
.EDU - often refers to a reliable educational website.
.ORG - implies a non-profit ORGanization. Approach with skepticism.
.COM - stands for "Commerce" and is used for business. Approach with skepticism.