The Real-Time Alerting Gap: Why React Teams Lack Immediate Performance Visibility

React development teams have comprehensive tools to analyze historical performance data but lack real-time visibility when issues occur—leaving users experiencing degradation before developers can react. Traditional monitoring tools require minutes to aggregate and process data, during which users abandon apps, switch competitors, and leave negative reviews. The solution is a dedicated real-time alerting layer that captures browser-level Core Web Vitals and sends instant notifications to enable immediate response.