The Save Walter White and Better Call Saul sites are both owned by Sony Pictures. The Madrigal one is not, so it's safe to assume, it's not officially affiliated with the show.
"A man answers his door and gets shot in the head, and you think that's me? No, I'm the one who knocks." --
http://www.amazon.com/LOL-Laugh-Loud...dp/B002QH09HY/ (Read the top-rated review)