An air-gapped deployment runs entirely within a network that has no connection to the public internet. Software must operate with zero external dependencies — no CDN, no external model fetch, no telemetry.
What it is
For a browser-based analytics tool this means bundling models with the application rather than fetching them, self-hosting all assets, and running the analytics backend inside the same isolated network.
Any runtime call to an external host breaks the deployment entirely, so it is a property that has to be designed in rather than configured.
Why it matters
It is the entry requirement for government, defence and some healthcare and financial environments. Very few analytics tools can meet it, which makes it a genuine differentiator where it is required.
A common confusion
On-premise and air-gapped are not the same. On-premise software may still call out for updates, licence checks or telemetry; air-gapped means it cannot and does not.
Related
See also client-side inference, federated analytics and dpia (data protection impact assessment). See the full glossary for the rest, or our security and data handling page for the wider context.
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