There was an excellent (paywalled) article on N+1 about pitchfork. It really is separate from other sites (Lack of comments, 100 different possible ratings [0.0 to 10.0)], extreme "hipster" snottiness). The website really has, and continues to shape "alternative/indie" music tastes. It is probably the biggest indicator, and perhaps driver, of an alternative album's commercial success. Sites like these regardless of t…
I was the Music Director, then General Manager for our college radio station back in 2006/7/8. We relied on pitchfork, along with indie charts, to drive what new music we played as our format was indie rock. Totally spot on how much sway they have in the indie community.
That attitude has faded in the last couple years. Here, at least, it has become less relevant.