Glossary

What Is a VPS?

A VPS (Virtual Private Server) is a hosting environment where server resources are virtualized and allocated specifically to your account. Unlike shared hosting — where all websites on a server compete for the same pool of CPU, RAM, and storage — a VPS gives you guaranteed, dedicated resources.

It sits between shared hosting and a dedicated server in the hosting hierarchy:

Hosting TypeResource sharingPerformanceCostControl
SharedHigh (1,000s of sites)Variable$3–$12/moLow
VPSLow (virtualized)Consistent$10–$80/moHigh
DedicatedNoneHigh$80–$500+/moFull
Cloud (managed)AbstractedScalable$14–$200+/moMedium

How Virtualization Works (Simply)

A physical server is divided into multiple virtual environments using software (hypervisors like KVM or VMware). Each virtual environment thinks it is a standalone server — it has its own CPU allocation, RAM, storage volume, and operating system. Your VPS neighbors cannot affect your performance or access your files.

VPS Cost Breakdown

Unmanaged VPS (you handle server administration)

ProviderEntry PlanSpecsMonthly
DigitalOcean (Droplets)1 vCPU, 1GB RAM, 25GB SSD$6/mo
Linode (Akamai Cloud)1 vCPU, 1GB RAM, 25GB SSD$5/mo
Vultr1 vCPU, 1GB RAM, 25GB SSD$6/mo

Unmanaged means you configure, maintain, and secure the server yourself. Linux administration knowledge required.

Managed VPS and Cloud Platforms

ProviderApproachMonthly
CloudwaysManaged cloud (DigitalOcean, AWS, etc.)$14–$80+/mo
SiteGround CloudManaged cloud hosting$100+/mo
WP EngineManaged WordPress (VPS-backed)$25–$100+/mo
KinstaManaged WordPress (Google Cloud)$35–$100+/mo

Managed platforms cost more but handle OS updates, security patching, server monitoring, and in some cases backups.

When to Upgrade from Shared to VPS

Signs your site has outgrown shared hosting:

  • Consistent page load times over 3 seconds despite optimization
  • Hosting company sending "resource overuse" notices
  • Site traffic reliably exceeds 20,000–30,000 monthly visitors
  • You need a specific PHP version, server module, or configuration
  • Security requirements demand isolation from other tenants
  • You're running a WooCommerce store with real transaction volume

Managed vs Unmanaged VPS

Unmanaged VPS: You are the server administrator. You install the operating system, configure web server software (Nginx, Apache), manage security updates, set up firewalls, and handle backups. Cost is lowest, control is highest, knowledge requirement is significant.

Managed VPS: The hosting provider handles server-level tasks. You focus on your website, not the infrastructure. Cost is higher, knowledge requirement is low. This is appropriate for most business website owners.

For WordPress sites specifically, managed WordPress hosting (WP Engine, Kinsta, Cloudways) is usually a better choice than a raw unmanaged VPS — the platforms are optimized for WordPress and include caching, CDN, and support for common WordPress issues.