We were able to analyze following parameters already:
Engagement rate: 73 % of the users, seeing a quiz, are also starting it ( means answering the first question)
Completion rate: 66 % of the users, starting a quiz, are finishing it completely
Click through rate: 63 % of the users, starting a quiz, are clicking through to the last question
Conversation rate: 1 % of the users, finishing a quiz completey, leave their personal data (f.e. E-mail address)