There are several sites that place publications on the spectrum of left - middle - right, or liberal to conservative. Pew Research Center regularly polls for insights into viewer mindsets.
News website that categorizes source bias. "Through out AllSides.com, you will find references to the media bias ratings of sources, including online news sources, authors and more.".
Media Bias/Fact Check (MBFC News), founded in 2015, is an independent online media outlet. MBFC News is dedicated to educating the public on media bias and deceptive news practices.
Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. We conduct public opinion polling, demographic research, content analysis and other data-driven social science research. We do not take policy positions.