Posthog Session Replay Portable -

Portability doesn’t mean “zero effort.” Self-hosted replay storage requires managing ClickHouse (PostHog’s underlying DB) and blob storage. But compared to closed SaaS where you can’t even see your own raw replay events, PostHog’s portability is a .

Session replay is invaluable for debugging UX issues—but it’s often locked inside vendor silos, making data migration, compliance audits, or custom analysis a nightmare.

Standard session replay tools fail the moment a user loses internet connection. If you build field-service applications, offline-first mobile apps, or desktop software, a portable architecture buffers the session data in local storage (such as IndexedDB or local files) and uploads it seamlessly once the device reconnects. 3. Frictionless Local Development and Debugging posthog session replay portable

To view your recordings without the main cloud dashboard, you can build a minimalist React or Vue application that embeds the open-source PostHog replay viewer or the raw rrweb-player . Simply query your local storage file, feed the JSON array into the player, and watch the user journey unfold frame-by-frame. Optimizing for Portability: Performance & Storage

A key factor in the portability of PostHog's replays is its cross-platform nature. It is not restricted to web browsers; rather, it extends across mobile and specialized engineering environments. Portability doesn’t mean “zero effort

const now = Date.now(); const expectedTime = this.recording.startTime + (now - this.lastTimestamp) * this.playbackSpeed;

Because you own the storage, you dictate retention policies, ensuring data is purged or moved to cold storage according to your internal security policies. Why Portability Matters for Session Replay Standard session replay tools fail the moment a

Point your self-hosted PostHog instance to your own AWS S3 bucket, GCP bucket, or Azure Blob Storage.

Exporting raw session data ($snapshot_items) for internal analysis.