It is Contentsquare now. As of September 2026 hotjar.com redirects to Contentsquare, the pricing page redirects to Contentsquare's pricing, and Contentsquare's landing page is headed "the next evolution of Hotjar". Existing Hotjar plans still run, and Contentsquare publishes a table contrasting Hotjar Free with Contentsquare Free, but a new customer is buying a different, larger product than the one they read about.
The unit is the captured session. Hotjar's free tier stops at 35 sessions a day. That is not sampling, it is a stop: past the cap the day is simply not recorded, and the recordings you have are the ones that happened to come first.
It needs a consent banner. Recording a session means keeping an identifier on the visitor's device, so in the EEA and the UK it needs consent, and everyone who declines is missing from your replays as well as from your funnels.
It answers half the question. Nothing in Hotjar or Contentsquare reports where your traffic came from. It has always been a tool you run alongside analytics, which is a second integration, a second bill, and two sets of numbers that never quite agree.