Cloudflare logo

Cloudflare Clef slowdown on 13 October 2026

Cloudflare Clef full response from Singapore, Tokyo, Montreal: slower than usual; 2026-10-13 15:30 UTC to 2026-10-13 20:00 UTC: peak full response 1.08 s vs a usual 0.44 s.

What our checks saw
Slower than usual
Cities affected
Singapore, Tokyo, Montreal
When
to
How long
4.5 hours
Slowest check
1.08 s, usually 437 ms
Cloudflare's status page
Open it

Where our checks saw it

Each glowing city had slow or failing checks during the incident, shown at its worst. We test from 6 cities, so other places may have been hit too.

Our checks, city by city

Each point is one check every 30 minutes, from three hours before the incident to three hours after. Coloured points are the checks we counted as slower or failing. The shaded area shows how far above the usual time they were. Not affected: Amsterdam, San Francisco, Mumbai.

Montreal

Incident0 ms400 ms800 ms12:3015:3018:3021:30
Each check (UTC)Usual (339 ms)Slower than usualSlow check outside the incidentIncident
Every check as a table
Time (UTC)CheckReading
12:30453 msNormal
13:00599 msSlower than usual
13:30269 msNormal
14:00268 msNormal
14:30406 msNormal
15:00249 msNormal
15:30672 msSlower than usual
16:00597 msSlower than usual
16:30362 msNormal
17:00293 msNormal
17:30377 msNormal
18:00447 msNormal
18:30430 msNormal
19:00293 msNormal
19:30447 msNormal
20:00301 msNormal
20:30332 msNormal
21:00398 msNormal
21:30199 msNormal
22:00343 msNormal
22:30258 msNormal
23:00314 msNormal

Singapore

Incident0 ms1.00 s2.00 s12:3015:3018:3021:30
Each check (UTC)Usual (593 ms)Slower than usualSlow check outside the incidentIncident
Every check as a table
Time (UTC)CheckReading
12:30780 msNormal
13:00420 msNormal
13:30417 msNormal
14:00527 msNormal
14:30923 msSlower than usual
15:00479 msNormal
15:30457 msNormal
16:001.42 sSlower than usual
16:30486 msNormal
17:00456 msNormal
17:30395 msNormal
18:00925 msSlower than usual
18:30421 msNormal
19:00363 msNormal
19:30563 msNormal
20:00412 msNormal
20:30462 msNormal
21:00457 msNormal
21:30303 msNormal
22:00388 msNormal
22:30304 msNormal
23:00741 msNormal

Tokyo

Incident0 ms1.00 s2.00 s12:3015:3018:3021:30
Each check (UTC)Usual (437 ms)Slower than usualMuch slower, or failingSlow check outside the incidentIncident
Every check as a table
Time (UTC)CheckReading
12:30785 msSlower than usual
13:00472 msNormal
13:30415 msNormal
14:00685 msSlower than usual
14:30811 msSlower than usual
15:001.34 sMuch slower, or failing
15:30342 msNormal
16:001.61 sMuch slower, or failing
16:30375 msNormal
17:00471 msNormal
17:30482 msNormal
18:001.46 sMuch slower, or failing
18:30703 msSlower than usual
19:00305 msNormal
19:30219 msNormal
20:00466 msNormal
20:30607 msNormal
21:00432 msNormal
21:30457 msNormal
22:00240 msNormal
22:30370 msNormal
23:00301 msNormal

How fast is your API around the world?

Run a free speed test from multiple cities and find out where your users are waiting. No setup, no account required.

Test my API

No account required · Takes about 30 seconds.