503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

Cloudflare outage — August 21, 2026

Elevated R2 errors in Dubai (DXB)

Cloudflare’s Workers & Pages was disrupted for 12h 01m on August 21, 2026. 503Radar’s sensors raised the first signal at 15:23 UTC, 11h 14m before the official status page acknowledged impact.

Key facts

DetectedAugust 21, 2026 · 15:23 UTC
Confirmed02:38 UTC · lead time 11h 14m
Resolved03:24 UTC
Duration12h 01m
ServiceWorkers & Pages
Official recordhttps://www.cloudflarestatus.com/incidents/xdzz2t911t1w

Timeline

  1. 15:23Z

    Detected · Signal

    Independent signals for Workers & Pages on CLOUDFLARE crossed the signal threshold.
  2. 02:38Z

    Confirmed · Official

    An official CLOUDFLARE status-page notice corroborated the event — 11h 14m after detection.
  3. 03:24Z

    Resolved

    Signal volume fell back below the threshold; the event was closed.

How this was detected

1 independent evidence class for workers on CLOUDFLARE. 1 crowd report across bluesky (single platform — not corroborating), z=-0.5σ vs the cell baseline. Official notice confirms it, 11h 14m after the crowd.