<ul><li>Sentry: Real-time error tracking and performance monitoring with distributed tracing and session replay.</li><li>New Relic: Full-stack observability for SSR, API, and client-side tracking with actionable insights and dashboards.</li><li>SigNoz: OpenTelemetry-based performance tracking with visuals like flamegraphs and pre-configured dashboards.</li><li>Datadog: Real-time monitoring of applications and infrastructure with synthetic testing and combined APM, logs, and RUM.</li></ul>

20 Essential Monitoring Tools for Next.js in 2025 📊

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