Question 1

Is JSR (Deno Registry) currently down?

Accepted Answer

JSR (Deno Registry) is currently Operational. CheckUpstream tracks JSR (Deno Registry) in real-time across the official status page, RSS / Atom feeds, and community telemetry — refresh this page for the latest reading.

Question 2

When did JSR (Deno Registry) last have an outage?

Accepted Answer

JSR (Deno Registry) has not had a resolved incident in the past 12 months on the surfaces CheckUpstream monitors.

Question 3

What's JSR (Deno Registry)'s 30-day uptime?

Accepted Answer

JSR (Deno Registry)'s 30-day customer-perceived uptime is 100.000%. The figure is weighted (full-outage = 1.0, degraded = 0.3) so component blips don't collapse the score the way a raw incident-count would.

Question 4

How do I monitor JSR (Deno Registry) in production?

Accepted Answer

Sign up to CheckUpstream and add JSR (Deno Registry) to a watchlist. We send incident alerts via Slack, email, webhook, or PagerDuty within seconds of detection — covering both the official status page and community signals (HN, Reddit, Bluesky, Cloudflare Radar).

Question 5

How does CheckUpstream track JSR (Deno Registry)?

Accepted Answer

We poll JSR (Deno Registry)'s official status page on a 1-5 minute cadence, parse its RSS / Atom feed as a fallback, ingest community signals from social platforms, and aggregate per-org SDK telemetry. Multiple sources reduce false positives versus any single feed alone.

JSR (Deno Registry).

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