Guides/Best website monitoring tools
Buyer’s guide
Best website monitoring tools
“Website monitoring” covers everything from a one-minute ping to a platform that traces every request. Buying too far up that ladder is the most common mistake. This list runs from the simplest useful tool to the heaviest, so you can stop at the one that matches the question you actually have.
1. GreenCrew
Uptime checker · HostedThe simplest rung: a health check and a public status page for a founder who wants to know if the site is up and show customers when it is not.
Pricing: Free while we keep it simple.
2. UptimeRobot
Uptime checker · HostedA step up in coverage — many checks, keyword and heartbeat monitors, and a familiar status page.
Pricing: Free tier, then inexpensive paid plans as monitor count grows.
3. Pingdom
Synthetics / mid-market · HostedUptime plus page-speed and scripted transaction checks, for teams that care how a page loaded, not just whether it answered.
Pricing: Paid from the first serious check. Transaction and RUM cost more than a ping.
4. Better Stack
Synthetics / mid-market · HostedUptime, logs, and on-call in one stack, for a team that has outgrown a checker but not yet reached for Datadog.
Pricing: Usage-based across uptime, logs, and incidents — more than a ping tool.
5. Datadog
Observability suite · HostedFull observability — APM, logs, infra, synthetics — for companies with a platform team and a telemetry budget. Not a status page.
Pricing: Usage-based and famous for surprising invoices. Hosts, custom metrics, and logs add up.