Site Spy

Track website changes and see exactly what updated

Site Spy monitors websites for changes automatically. Add any page from the browser extension (Chrome & Firefox) or web dashboard, and get notified the moment content updates. See exactly what changed with visual diffs — additions in green, removals in red. Track specific elements like prices or headlines with the built-in element inspector. Color-coded tags, snapshot timelines, and MCP server integration for AI assistants. Free plan included — no credit card needed