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Is Costco (costco.com) Down?
UP — Responding normally
Last checked: 1h ago
Avg TTFB
5380ms
#375 in S&P 500
Total Load
1345ms
Uptime
25.0%
Based on 8 checks
Response Time — Recent Checks
About This Site
Costco (COST)
Sector: Consumer Staples
Ranked #375 overall in S&P 500
Ranked #29 in Consumer Staples
Recent Checks
| Time | Status | TTFB | Total |
|---|---|---|---|
| 2/20/2026, 7:21:01 PM | ✓ Up | 3544 ms | 3546 ms |
| 2/20/2026, 2:30:11 PM | ✓ Up | 7216 ms | 7217 ms |
| 2/20/2026, 12:57:57 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:54:49 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:52:57 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:36:15 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:32:51 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:32:27 PM | ✗ Down | — ms | 0 ms |