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You serialize the DOM events into JSON files and save them directly to the user's local disk (via Electron’s file system API or standard browser indexedDB storage).
Standard analytics platforms keep your data locked inside their own dashboards. Making your session replays portable breaks down these silos and provides several key benefits:
Many regulated industries (Finance, Healthcare) require that user data—including screen recordings—must reside on servers within a specific geographic region or on-premise infrastructure. With "portable" replays, you can host PostHog in your own VPC, ensuring those session recordings never touch a third-party server. posthog session replay portable
By adopting a portable session replay strategy today, you future-proof your product analytics. You ensure that your user insights remain a strategic asset you control, not a subscription you rent.
You must configure posthog-js to prevent it from failing or throwing console errors when the internet is down, and point it to your local loopback address. javascript
By leveraging its open-source foundational tools like rrweb , robust data pipelines, and a developer-first REST API, you can construct an incredibly portable analytics workflow. This architecture lets you easily backup recordings, stream events to your data lake, or run standalone players in internal portals. This approach lowers long-term infrastructure costs, keeps your applications compliant with global privacy laws, and prevents future platform lock-in. What are your team's specific
For teams that require absolute control and "portability" of the entire infrastructure, PostHog remains an open-source platform that can be self-hosted .
For preserving individual recordings, PostHog provides a straightforward built-in feature. On any recording's page, you can navigate to the options menu and select .
Building a resilient, data-driven organization requires a clear strategy. Consider this phased approach to portable session replay with PostHog. Making your session replays portable breaks down these
To prevent the client library from sending data to the cloud, you must override the api_host parameter to point to your local machine or portable server instance. javascript
If a device is offline and its system clock is inaccurate or altered by the user, the recorded events will map incorrectly onto PostHog’s timeline when uploaded later.
Traditional session replay records DOM mutations. PostHog captures these events as JSON blobs. Instead of storing these in a proprietary database format, PostHog allows you to pipe these blobs directly into object storage.