But what does "Portable Session Replay" actually mean? And why does it matter more than navigator.sendBeacon ?
Most SaaS session replay tools operate on a Black Box model. You install their script, they capture a massive video-like feed, and you pay per "recording." If you want to leave, you lose your history. If you want to analyze the data-layer differently, you are subject to their query limits. posthog session replay portable
Once you record a session in Hotjar, FullStory, or LogRocket, that session stays there. You cannot easily take that JSON payload of clicks, hovers, and scrolls and run your own custom Python script on it. You cannot merge that Replay data with your internal CRM without using brittle third-party APIs. But what does "Portable Session Replay" actually mean
With PostHog, Session Replay is no longer a magical black box. It is a structured, lifecycled, and portable asset. You install their script, they capture a massive
In the modern world of product analytics, data silos are the enemy of insight. For years, teams have relied on Session Replay tools to watch user sessions, debug frontend issues, and understand drop-off points. But there has always been a catch: vendor lock-in.