![]() Our physical building analogy is similar to what session replay tools accomplish virtually. HTML, CSS, and JavaScript control how the house is constructed, how it looks, and how it behaves.īy recording the DOM and all mutations to the DOM that occur throughout a user's visit to this "building," a session replay tool can accurately record and recreate not only the building itself, but all the times a user walked through a doorway, moved a piece of furniture, hung a painting on the wall, or even did some remodeling. The DOM is the physical structure of the building-the foundation, the plywood frame, the doors and windows, and so on. ![]() Imagine your website or app is a building. We'll avoid going into a detailed explanation of the DOM, but having a working analogy of what it is will help you understand how session replay works. Replay captures everything that occurs in the DOM. You can’t talk about session replay without talking about the DOM, or Document Object Model, which is how users experience and interact with the web. ![]() It's complicated, so let's dive into the technical specifics of session replay. Realizing that it's not video, but a high-fidelity reproduction of a person's experience adds to the mystery- how is this possible? ![]() When you first watch a session replay, it can be a surreal experience-how did you create a video of a user's online experience? ![]()
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