AllSides has given BuzzFeed News a Lean Left media bias rating. As of August 2018, 2,573 AllSides readers agreed with this media bias rating, while 3,296 disagreed. 2,567 of those who disagreed voted on average that BuzzFeed has a Left media bias. AllSides will continue to monitor, research and update BuzzFeed's media bias.
The 2014 Pew Research Study, Where News Audiences Fit on the Political Spectrum, found "those on the left of the ideological spectrum are overrepresented in [BuzzFeed's] audience (59%, compared with 38% of all respondents)." [Source: Pew]
BuzzFeed is a website that combines a technology platform for detecting viral content with an editorial selection process to provide a snapshot of "the viral web in realtime." It was co-founded in 2006 by Jonah Peretti (who is also co-founder of The Huffington Post). In 2012, Ben Smith of POLITICO was hired as editor-in-chief.