developer.mozilla.org status
Is developer.mozilla.org down? No — developer.mozilla.org is up and running normally, checked 4 hours ago. It has recorded 100% uptime over the last 30 days, with an average response time of 39 ms.
90-day uptime history
Each bar is one day. Green = no incidents, red = downtime detected.
Response time
developer.mozilla.org responds in about 39 ms on average. Daily average response time over the monitored window:
Recent outages
Downtime detected by exit1.dev over the last 90 days.
No outages have been detected for developer.mozilla.org in the last 90 days — 7 days without a recorded incident.
Hear about the next developer.mozilla.org outage first
We check developer.mozilla.org around the clock. Follow it and we'll email you the moment it goes down.
Frequently asked questions about developer.mozilla.org
Is developer.mozilla.org down right now?
As of the last check (4 hours ago), developer.mozilla.org is up and running normally. exit1.dev probes it continuously and updates this page automatically.
What is developer.mozilla.org's uptime?
developer.mozilla.org has recorded 100% uptime over the last 30 days and 100% over the last 90 days, based on exit1.dev's independent monitoring.
What is developer.mozilla.org's average response time?
developer.mozilla.org responds in about 39 ms on average over the last 30 days.
Has developer.mozilla.org had any outages recently?
No outages have been detected for developer.mozilla.org in the last 90 days.
How does exit1.dev measure developer.mozilla.org's status?
exit1.dev runs automated uptime checks against developer.mozilla.org around the clock from multiple regions, recording status and response time on every probe. The figures here are independent, third-party measurements — not self-reported by developer.mozilla.org.
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