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Synthetic monitoring vs. uptime monitoring
Understand how uptime checks and synthetic tests differ, where each helps, and how to combine them for better service visibility.
Uptime monitoring answers availability questions
A simple uptime check periodically requests an endpoint and records whether it responds as expected. It is efficient for tracking reachability and basic service health.
Synthetic testing checks expected behavior
Synthetic tests execute scripted requests or browser journeys. They can cover response content, navigation, and interactions that a simple availability probe does not exercise.
Use both where risk justifies it
Keep lightweight uptime checks broad and add synthetic tests for high-impact workflows. Tune frequency, alert thresholds, and maintenance so checks remain useful rather than noisy.
Frequently asked questions
Is synthetic monitoring the same as uptime monitoring?
No. Uptime monitoring generally checks whether a service responds. Synthetic monitoring can also test expected responses and scripted user behavior.
Do small teams need synthetic tests?
Teams should prioritize tests based on customer impact. A few reliable checks for critical workflows can provide value without monitoring every possible interaction.
Keep investigating
Related monitoring guides and free tools
- Free toolFree Security Posture Grader PreviewPreview simulated header, TLS, CAA, SPF, and DMARC results. No requests are sent to the entered domain.
- Free toolFree CDN & Gateway Error DecoderTranslate raw Cloudflare 52x, Vercel 504, and CloudFront 502 response headers into actionable fixes.
- Free toolFree JSON Schema ComparatorCompare baseline and new API responses without noisy value diffs.
- Engineering guideSelf-healing browser testsSee how selector changes are suggested, sandbox-verified, and kept under your control.
- Engineering guideDeployment correlationUse timing and changed-file clues to narrow an incident investigation.
Make critical checks part of your routine
Start with the endpoints and customer journeys that matter most, then build coverage as your services grow.
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