Best Synthetic Monitoring 2026

Self-hosted service runs HTTP, TCP and DNS checks for websites and APIs.

SpeedCurve measures site performance with synthetic checks and real-user data, including Lighthouse audits and Core Web Vitals.

AppDynamics uses hosted or private agents and Python Selenium scripts to test browser workflows on web applications.

CA App Synthetic Monitor runs external website checks from 146 global stations with scripts, alerts, and real browsers.

Supercheck is an open-source platform for browser, API, database, performance, and synthetic monitoring tests.

Web platform for collecting, parsing, tailing and exporting logs.

ThousandEyes Browser Synthetics simulates web users from cloud or private agents to measure page performance and downtime.

Synthetic checks simulate user and agent workflows across websites, apps, APIs and IoT.

Uptime.com monitors websites every minute and provides SSL expiry alerts through its web service.

OpenText SiteScope checks browser sessions, transactions, journeys, and APIs on Linux or Windows.

Dynatrace monitors network availability with one-minute checks, resolution tests, and alerts to service and messaging tools.