Track SaaS signups by separating distinct user actions into individual events. A successful account creation should be a distinct event from the initial button click. Define what constitutes a completed signup in plain language, like a new account existing and the user being able to proceed. Utilize Google's recommended sign_up event for this, specifying the method used. Crucially, trigger this event only after successful account creation, not from the button click itself. Place the tracking call within the code that confirms the account creation success. Ensure only one part of your application is responsible for sending the signup event to avoid duplicates. Keep your application's account records as the definitive source of truth for successful signups. Separately track the first useful product action to understand user engagement beyond just account creation. Choose existing recommended events or create clear custom ones for these user actions. Thoroughly test scenarios that could lead to misleading signup counts. Avoid sending personally identifiable information within event parameters. Precisely label your tracked metrics when sharing progress to ensure accuracy.