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Pick the location that performs best for real visitors and recovery plans—not the location with the most impressive route label.
Start with visitor geography
Analytics should lead the decision. A broadly distributed US audience may benefit from a central or east-coast origin paired with a CDN, while a regional business should start closer to its customers and upstream services.
Measure the whole request
Ping is useful but incomplete. Test DNS, TLS connection time, time to first byte, and a representative page. Repeat from multiple networks and at different times because congestion and routing can change.
- Measure from likely customer regions
- Test the real application, not only an empty server
- Check routes to payment, database, and storage services
- Document a restore path in another location
Recheck after launch
Monitor real-user performance and availability after deployment. A datacenter choice is reversible when backups, DNS, infrastructure notes, and migration steps are maintained.
Primary sources
We use provider documentation for product facts and mark time-sensitive details for rechecking.