Hotjar is a complete website and mobile analytics tool enabling web developers, UI designers, analysts, digital marketers & more, to optimize the usability and conversion rate of their websites.
Mailchimp Transactional Email (formerly Mandrill) is a reliable, scalable and secure delivery API for transactional emails from websites and applications.
Mandrill is a scalable and affordable email infrastructure service, with all the marketing friendly analytics tools they come to expect from MailChimp.