* AllMusic (https://www.allmusic.com/artist/nine-inch-nails-mn0000091010). AllMusic provides comprehensive reviews of NIN's albums and songs, as well as artist biographies and discographies.
* Pitchfork (https://pitchfork.com/artists/nine-inch-nails/). Pitchfork is known for its in-depth reviews of new and classic albums, including several NIN releases.
* Rolling Stone (https://www.rollingstone.com/music/music-album-reviews/nine-inch-nails-bad-witch-1059369/). Rolling Stone magazine often publishes reviews of NIN's music, both new and old.
* Metacritic (https://www.metacritic.com/artist/nine-inch-nails/albums). Metacritic aggregates reviews from multiple sources and provides a weighted average score for each NIN album.
* Sputnikmusic (https://www.sputnikmusic.com/bands/Nine-Inch-Nails/3117/). Sputnikmusic is an online music community with a large number of user reviews for NIN's music.
* Tiny Mix Tapes (http://tinymixtapes.com/artist/nine-inch-nails). Tiny Mix Tapes is an independent music publication with reviews of many NIN releases.