They're an independent fact checking and analysis site and avoid political bias. Their entire schtick is impartial research of stories for truthiness, compromising ruins it.
Their primary reporter, Kim LaCapria, "described herself as “openly left-leaning” and a liberal. She trashed the Tea Party as “teahadists.” She called Bill Clinton “one of our greatest” presidents. She claimed that conservatives only criticized Lena Dunham’s comparison of voting to sex because they “fear female agency.”