costco.com status & reliability report
costco.com has held up impressively well over the last year, recording 100% uptime — only about under 1 minute per year all told. It's quick to respond, too — roughly 243 ms to first byte. We recorded no confirmed outages in that window.
Composite of uptime, response time & incident stability · high-confidence
Learn moreUptime over the last 2 months
Each bar is one calendar month with recorded data, computed from 2 availability checks. Bar height is scaled to this site's own range so month-to-month differences stand out; colour reflects the uptime band.
Uptime by time window
At 100%, costco.com is budgeted for approximately under 1 minute per year of downtime.
Response time
Average server response over 12 months
Downtime incident history
What users report
Community-reported problem types (all time).
About costco.com
costco.com is the official website of Costco Wholesale Corporation, a multinational retailer founded in 1983 and headquartered in Washington, USA. The company operates warehouse-style stores and offers a wide range of products, including groceries, electronics, appliances, and household goods.
Users typically visit costco.com to shop online, check product availability, manage memberships, and access services such as travel bookings and optical or pharmacy offerings. Many features are tied to Costco’s membership model, which provides access to discounted bulk purchasing and exclusive deals.
costco.com is a key part of Costco’s retail ecosystem, extending its warehouse model into e-commerce and serving millions of members globally, contributing to one of the largest retail operations in the world.
Recent community reports
Community reporting for costco.com has been quiet recently — the most recent of one logged problem report came in about 4 months ago. Most of those issues involved loading failures rather than isolated slow-downs. Every report traced back to a single country, which points to a localized or individual issue rather than a widespread disruption.
- 🇺🇸 A visitor from United States reported: Not Loading 4 Months ago
Other tracked services
Frequently asked questions
Is costco.com down right now?
costco.com is currently operational. This reflects our most recent automated probe combined with live community reports.
How reliable is costco.com?
costco.com has maintained 100% uptime over the past 12 months, earning a reliability grade of A+ (98/100). That equates to roughly under 1 minute per year.
How often does costco.com go down?
We have recorded no confirmed downtime incidents for costco.com in the past 12 months.
People also checked
Reliability data last updated 2026-06-12 07:37:10 UTC. Measurements are independent and observational.