application performance monitoring

Best Application Performance Monitoring (APM) Tools in 2026: Datadog vs New Relic vs Dynatrace vs Grafana Cloud vs Sentry

When a web app slows down, the first question is always the same: where is the time going? It could be a slow database query, a third-party API that’s timing out, a memory leak after the last deploy, or one region of your cloud provider having a bad day. Application performance monitoring (APM) tools answer…