An archived version of the official Hogwarts House quiz from Pottermore.com is available on GoToQuiz.com. Additional Hogwarts house sorting quizzes are available on BBCAmerica.com and TheAlMightyGuru.com.
Pottermore is J.K. Rowling's official website for Harry Potter media, news, information, and activities online. As of December 2015, it is undergoing renovations and a re-skinning that has made the official sorting hat temporarily unavailable. GoToQuiz.com has archived all of the questions on the official sorting hat quiz that formerly existed on the website.
BBC America's Hogwarts quiz is a 10-question multiple choice quiz that asks simple questions such as "What do you prefer to eat for breakfast?" to determine a Hogwarts house. The Al Mighty Guru's Hogwarts quiz is also multiple choice with 12 questions that mainly focus on how the quiz taker would respond to certain situations.