While there are several different "best friend" quizzes around, the common theme is figuring out how close you and your best friend really are. The quizzes range from serious to silly, and can be found on various websites such as BuzzFeed.com and Seventeen.com.
PlayBuzz.com, a popular pop-culture website, has a test titled "Only Take This Quiz With Your Best Friend!" While this is only one version of a best friend test, it is a popular choice among young people, according to the site's traffic. The quiz is short and sweet, asking questions about physicality, mannerisms, habits and more.
Another form of a best friend test can be found on Seventeen.com, titled "The Best Friend Quiz." In this test, players answer questions to find out who their celebrity best friend would be, based on personality traits and hobbies.
For a more serious best friend test, users can visit HelloGiggles.com, a website maintained by smart, modern women for today's smart, modern woman. The website hosts a quiz titled "30 questions you should ask your best friend." The object is to ask questions that may not have come up before, allowing best friends to learn even more about each other through this fun exercise.