The average time from the moment a site breaks to the moment it is fully restored.
Reviewed by Ali Yasin Jatoi · Updated
MTTR is the most honest metric for a care provider. Cheaper plans show uptime numbers but hide MTTR. Lower is better.
Related terms
Downtime
Any period when your site is unreachable, slow beyond a threshold, or returning errors to visitors.
SLA (Service Level Agreement)
A written promise of response time, resolution time, and what happens if we miss either.
Uptime Monitoring
Automated checks that ping your site every few minutes and alert on downtime.
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