Monitoring tools help you track performance, detect errors, and ensure a smooth user experience for your Next.js apps. Here’s a complete and updated list of top tools in 2025:
1. Sentry
🔧 Real-time error tracking and performance monitoring.
🧩 Supports distributed tracing and source map integration.
🎥 Session replay for user-based debugging.
2. New Relic
🌐 Full-stack observability for SSR, API, and client-side tracking.
⚙️ Deep Next.js integration with @newrelic/next.
📊 Actionable insights and dashboards.
3. SigNoz
🔍 OpenTelemetry-based performance tracking.
📈 Visuals like flamegraphs and Gantt charts for performance bottlenecks.
📂 Pre-configured dashboards for traces and metrics.
4. Datadog
⏱️ Real-time monitoring of applications and infrastructure.
🧪 Synthetic testing and step-by-step transaction tracking.
📦 Combines APM, logs, and RUM in one place.
5. Middleware
🧠 Real User Monitoring (RUM) + synthetic testing.
📺 Visual performance dashboards.
✅ Designed for modern full-stack apps.
6. Dotcom-Monitor
🌍 Global uptime and performance monitoring.
🧪 Real browser testing and smart alerting.
📥 Detailed and customizable reporting.
7. Sematext
🌤 Cloud-based monitoring platform for apps, servers, and user interactions.
📣 Alerts and performance anomaly detection.
📊 Metrics, logs, and traces in one UI.
8. Dynatrace
🤖 AI-powered monitoring for apps, infra, and user sessions.
📉 Business-impact prioritization of issues.
🧩 End-to-end observability including custom metrics.
9. LogRocket
🎥 Session replay to reproduce bugs visually.
🛠️ Tracks console errors, slow interactions, and UI glitches.
📈 Performance data combined with user behavior.
10. AppSignal
🧪 Error tracking, performance monitoring, and custom metrics.
📉 Lightweight and optimized for Next.js and serverless apps.
📦 Built-in anomaly detection and easy setup.
11. Upptime
🕒 GitHub-powered uptime monitor using GitHub Actions.
🌐 Self-hosted and open-source status page generation.
📬 Slack & email alerts supported.
12. Highlight.io
🎞️ Session replay + frontend & backend observability.
🔍 Full visibility into logs, traces, and performance in one view.
⚡ Built for modern JS frameworks like Next.js.
13. BetterStack (formerly Better Uptime)
📡 Uptime & incident monitoring with on-call scheduling.
🧠 Smart incident resolution workflows.
📱 Mobile and Slack notifications with clean status pages.
14. Elastic Observability (Elastic APM)
🌐 Integrated logging, metrics, and tracing via the Elastic Stack.
📈 Great for advanced analytics and full-text search on logs.
⚙️ OpenTelemetry support for wide compatibility.
15. Raygun
💥 Real-time error and crash reporting with performance monitoring.
📲 User-centric diagnostics.
🎯 Focused on front-end experience tracking and load time metrics.
16. StatusCake
🧪 Simple and effective uptime and performance testing.
🌍 Multiple test locations for global visibility.
📧 Alerting integrations with email, SMS, Slack, and more.
17. Airbrake
⚠️ Exception tracking for client and server errors.
📦 Performance analytics and deploy tracking.
🎛️ Lightweight and dev-friendly.
18. Instana
🤖 AI-assisted APM tool with distributed tracing.
⚙️ Automatic service discovery and dependency mapping.
🚀 Built for dynamic apps and microservices.
19. Netdata
📊 High-frequency monitoring with real-time metrics.
🖥️ Beautiful, interactive dashboards for system-level tracking.
🧩 Works well alongside Next.js server monitoring.
20. Grafana + Prometheus
📈 Advanced dashboarding and alerting system.
⚙️ Custom instrumentation via Prometheus metrics.
🌐 Ideal for teams who want full control over their observability stack.