By default, Hotjar does not provide a way for Hotjar User IDs or the data collected to be linked to your internal IDs/data. Our tools are designed to give you a holistic understanding of your visitors’ experience, so you can identify common issues and opportunities for improvement. By default, you can do this without linking data to specific customers.
Users on a Business Plan have access to the User Attributes feature, which involves sending extra data to Hotjar over the Identify API, including your User ID. These can be used to target Polls and Incoming Feedback widgets.
You can read more about our approach to privacy in a blog post by our CEO.