ChangeNotifier

Monitor web pages for content changes, track uptime, SSL certificates, open ports, and domain expiry. Get notified through email, Slack, Discord, or webhooks. Know the moment competitors change their prices| Know the moment that product is back in stock Know the moment regulations affect your business Know the moment a page you care about changes ... AI change filtering Automatically ignores timestamps, session tokens, and cosmetic tweaks. You only hear about changes that actually matter to your business. Smart keyword conditions Set rules like “alert when price drops below $100” or “notify when page contains hiring”. Text, number, and regex conditions built in. Custom AI conditions Describe what you want in plain language. The AI evaluates each change against your instructions and decides whether to alert you. Smart Signals Combine multiple monitors into one condition. Get alerted when several things change together — across different pages or elements. AI-generated summaries Every alert includes a plain-language summary of what changed and why it might matter. No need to compare pages yourself. Domain-specific extraction Built-in extractors for job listings, legal documents, and product pages pull structured data automatically — titles, prices, dates, and more.