Free monitoring tools, no signup
Quick checks powered by the same distributed worker network that runs SiteFlux monitoring. Like what you see? Every tool here has a 24/7 version with alerts — from €0.
Is My Website Down?
Check any URL from multiple global monitoring locations at once. If it's down for everyone, you'll know in seconds — and if it's just one network, you'll know that too.
Open tool →SSL Certificate Checker
Inspect any site's TLS certificate: issuer, subject, validity window and days until expiry — the check that saves you from an October surprise.
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