Synthetic Monitoring Explained
Proactively detect issues before users do — running automated scripts that simulate key user journeys from locations around the world.
Synthetic Monitoring
Synthetic monitoring uses automated scripts that simulate user interactions from external locations at regular intervals to proactively detect availability, performance, and functionality issues before real users are affected.
Explanation
Unlike real user monitoring (RUM) which passively observes actual user sessions, synthetic monitoring actively tests applications on a schedule. Scripts simulate key user journeys (login, search, checkout) from geographically distributed points, measuring availability, response times, and correctness. If a synthetic check fails or exceeds a latency threshold, alerts fire immediately — often before any user notices. Synthetic monitoring provides baseline performance data, detects issues during low-traffic periods (when RUM has insufficient data), validates third-party service availability, and verifies SLOs continuously. Tools include Datadog Synthetic, Checkly, Pingdom, and Grafana Synthetic Monitoring.
Bookuvai Implementation
Bookuvai deploys synthetic monitoring for critical user journeys on every production application. We configure checks from multiple geographic regions, test at 1-5 minute intervals, and alert on failures or latency regressions. Synthetic results feed into SLO dashboards for continuous reliability tracking.
Key Facts
- Automated scripts simulate user interactions on a schedule
- Proactive: detects issues before real users are affected
- Tests from geographically distributed locations
- Provides baseline data and validates SLOs continuously
- Tools: Datadog Synthetic, Checkly, Pingdom, Grafana Synthetic
Related Terms
Frequently Asked Questions
- How is synthetic monitoring different from real user monitoring?
- Synthetic monitoring actively simulates users on a schedule, providing consistent baselines and detecting issues during low-traffic periods. RUM passively observes real user sessions, capturing actual user experience including client-side performance. Use both for comprehensive monitoring.
- What user journeys should I monitor synthetically?
- Monitor your most critical user paths: homepage load, login/authentication, core value action (search, purchase, create), and payment flow. These are the journeys where failure has the highest business impact.
- How often should synthetic checks run?
- Critical paths: every 1-2 minutes. Secondary paths: every 5-10 minutes. More frequent checks detect issues faster but cost more. Balance detection speed against monitoring costs and alert noise.