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

Site Spy Monitor helps users track website changes in real-time. Easily add sites to a watchlist, detect updates, and compare versions. Perfect for monitoring news, prices, and documents