Cloudflare Clef slowdown on 14 October 2026
Cloudflare Clef full response from San Francisco, Singapore, Montreal: slower than usual; 2026-10-14 03:00 UTC to 2026-10-14 05:00 UTC: peak full response 1.19 s vs a usual 0.58 s.
- What our checks saw
- Slower than usual
- Cities affected
- San Francisco, Singapore, Montreal
- When
- to
- How long
- 2 hours
- Slowest check
- 1.19 s, usually 580 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, Tokyo, Mumbai.
San Francisco
Every check as a table
| Time (UTC) | Check | Reading |
|---|---|---|
| 00:00 | 315 ms | Normal |
| 00:30 | 438 ms | Normal |
| 01:00 | 310 ms | Normal |
| 01:30 | 222 ms | Normal |
| 02:00 | 253 ms | Normal |
| 02:30 | 979 ms | Much slower, or failing |
| 03:00 | 225 ms | Normal |
| 03:30 | 355 ms | Normal |
| 04:00 | 273 ms | Normal |
| 04:30 | 255 ms | Normal |
| 05:00 | 325 ms | Normal |
| 05:30 | 311 ms | Normal |
| 06:00 | 336 ms | Normal |
| 06:30 | 324 ms | Normal |
| 07:00 | 379 ms | Normal |
| 07:30 | 394 ms | Normal |
| 08:00 | 400 ms | Normal |
Montreal
Every check as a table
| Time (UTC) | Check | Reading |
|---|---|---|
| 00:00 | 430 ms | Normal |
| 00:30 | 346 ms | Normal |
| 01:00 | 296 ms | Normal |
| 01:30 | 274 ms | Normal |
| 02:00 | 369 ms | Normal |
| 02:30 | 578 ms | Slower than usual |
| 03:00 | 488 ms | Normal |
| 03:30 | 261 ms | Normal |
| 04:00 | 325 ms | Normal |
| 04:30 | 246 ms | Normal |
| 05:00 | 543 ms | Slower than usual |
| 05:30 | 296 ms | Normal |
| 06:00 | 578 ms | Slower than usual |
| 06:30 | 451 ms | Normal |
| 07:00 | 575 ms | Slower than usual |
| 07:30 | 279 ms | Normal |
| 08:00 | 244 ms | Normal |
Singapore
Every check as a table
| Time (UTC) | Check | Reading |
|---|---|---|
| 00:00 | 400 ms | Normal |
| 00:30 | 524 ms | Normal |
| 01:00 | 657 ms | Normal |
| 01:30 | 383 ms | Normal |
| 02:00 | 523 ms | Normal |
| 02:30 | 1.20 s | Slower than usual |
| 03:00 | 1.17 s | Slower than usual |
| 03:30 | 1.14 s | Slower than usual |
| 04:00 | 495 ms | Normal |
| 04:30 | 454 ms | Normal |
| 05:00 | 535 ms | Normal |
| 05:30 | 388 ms | Normal |
| 06:00 | 396 ms | Normal |
| 06:30 | 474 ms | Normal |
| 07:00 | 671 ms | Normal |
| 07:30 | 366 ms | Normal |
| 08:00 | 527 ms | Normal |
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