Sizing a VPS for a website or application stack

A typical stack — web server, application runtime and a database on one box — is usually short of memory before anything else, so size for RAM and keep an eye on cores as traffic grows.

• Small site / staging / single app — HA-1G (1 GB) or HA-2G (2 GB)
• Busier site, fuller framework, web + database together — HA-4G (4 GB)
• Multi-service stack, background workers, caching layer — HA-8G (8 GB)
• High-traffic production — HA-16G and up

Signs you've outgrown a tier:

• The box is swapping (using disk as memory) — move up in RAM.
• All vCPU sit pinned during normal traffic — consider the SS-4G for extra cores at similar memory, or a higher HA tier.
• The disk keeps filling with uploads or media — look at the HV-8G and its 1 TB.

Bandwidth is unlimited on every tier, so a traffic spike won't bill you extra, and DDoS protection is included as standard. Start on the smallest tier that fits comfortably; because billing is month-to-month you can scale up the moment your monitoring says you're running hot, without a migration penalty.