While replay is analogous to video, it is more accurately a reproduction of a specific user's experience detailing mouse movements, clicks, taps, and scrolls.
There are a number of tools that provide similar functions, with the advantage of being able to replay the entire client experience in a movie-like format.
The disadvantage is that the tracking script can easily be detected and blocked by any ad blocker which has become normal (2017: 615M devices with active adblock).
[3] These solutions capture all website traffic and replay every visitor interaction from every device, and these include all mobile users from any location.
The hybrid approach ensures that every session is recorded (important for compliance) by server-side capturing and enriched with client-side tracking data of mouse movements, clicks, scrolling, keystrokes, and user behavior (driven by customer experience insights).