Sniffer watches websites for real changes.

Detect precise content movement

Track pages on a schedule and keep durable snapshots for every run.

Show the exact diff

Open a result and inspect text changes, AI analysis, and markdown state.

Notify external systems

Send change events to automation tools, CRMs, Slack bridges, or your own API.

Run on an application-grade database

Use Postgres for sessions, API keys, queues, cron scheduling, and audit history.