Posthog Session Replay Portable 2021 🔖 🏆

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The future is portable, and for teams building modern products, the question is no longer about if you can move your data, but how you will use that freedom to create a deeper, more insightful user experience.

For industries like healthcare (HIPAA), finance (PCI-DSS), and government, sending raw user interaction data to a third-party cloud is a compliance nightmare. A portable PostHog setup allows you to keep all session recording files inside your private infrastructure, isolated networks, or strictly regulated geographical boundaries. 2. Offline Capability for Desktop and Mobile Apps

: PostHog offers session replay for iOS, Android, React Native, and Flutter . Mobile recordings capture complex data points like screen hierarchies, network requests, logs, and touch events, which can then be viewed on any device via the web dashboard.

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

Unlike tools that force you to stream replays only to their cloud, PostHog’s open-source core lets you self-host the entire stack. Your session replays (DOM snapshots, console logs, network activity) live on . No vendor lock-in: migrate them to another system, archive them in your data lake, or delete them programmatically—all with full control.

Under the hood, the web client SDK uses rrweb (record and replay the web) . This open-source framework captures the exact state of the Document Object Model (DOM). Self-host PostHog - Docs

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Every replay is accessible via PostHog’s REST API. You can: I can provide the exact configuration snippets or

"PostHog Session Replay Portable" is not a separate product, but a strategy. By choosing to self-host PostHog and configuring its storage to use your own cloud infrastructure, you gain unparalleled control over your data, true portability, and full GDPR compliance. For companies that prioritize security and flexibility, it is the most reliable way to implement session recording. If you are interested, I can help you: Compare the cost of self-hosting vs. PostHog Cloud. Find the best Docker configuration for your needs.

return arg; );

A "portable" session replay setup means you are not reliant on PostHog's cloud infrastructure for long-term storage or analysis. Instead, you use the PostHog SDKs to capture events and self-host the storage, processing, and visualization layers.

private replayEvent(event: SessionEvent): void const iframe = this.container.querySelector('iframe'); const doc = iframe?.contentDocument; if (!doc) return; A portable PostHog setup allows you to keep

A background daemon checks for internet connectivity. When an active connection is detected, it flushes the stored SQLite rows back to PostHog Cloud sequentially. 3. Raw rrweb Serialization (The Ultra-Lightweight Pattern)

request.onupgradeneeded = (event) => const db = (event.target as IDBOpenDBRequest).result; if (!db.objectStoreNames.contains('sessions')) db.createObjectStore('sessions', keyPath: 'sessionId' );

PostHog achieves portability through two primary mechanisms: local exports and integrated sharing.

When GDPR or CCPA requests come in, you don’t have to beg support—you just run a script.

The PostHog API: You can programmatically fetch snapshots of sessions. This raw JSON data contains the event stream required to reconstruct the user’s experience.

this.isRecording = true; this.setupEventListeners(); this.startFlushInterval(); this.captureInitialState();