The question comes up constantly, and the usual marketing answer — "a VPS is better" — is wrong most of the time. Properly sized shared hosting runs the overwhelming majority of websites, faster and cheaper than a badly administered VPS.
Here's how to decide without kidding yourself.
What actually separates them
On shared hosting, your site shares a machine with others. The host manages the system, updates, the web server, PHP and certificates. You manage your site, full stop.
On a VPS, you rent a virtual machine with its own resources. You get root access, and you become the system administrator: installing, updating, securing and monitoring are on you.
| Shared | VPS | |
|---|---|---|
| System administration | The host | You |
| Root access | No | Yes |
| Installable software | Whatever the panel offers | Anything |
| Resources | Shared | Reserved |
| Time it demands | A few minutes | A few hours a month |
The four signals that call for a VPS
1. You need software that shared hosting can't run. Node.js as a long-running service, a Python worker, Redis, a bot, a game server, Docker: none of these fit shared hosting, whatever the tier.
2. You're hitting process limits. Shared hosting caps concurrent PHP processes. If your site returns 503 errors at peak hours while disk and memory look fine, that's the ceiling you're touching.
3. You need control over the configuration. A specific PHP extension, an exact MySQL version, fine-grained cache tuning, a cron running to the second: a VPS is the only way.
4. You host for third parties. As soon as you manage clients' sites, you need isolated environments — or a reseller plan.
What a VPS asks in return
This is the part comparisons skip. A VPS is an operating commitment:
- applying security updates, kernel included;
- configuring a firewall and hardening SSH access;
- installing and maintaining the web server, PHP, the database;
- renewing TLS certificates;
- watching disk space, memory and load;
- setting up your own application-level backups.
If that list puts you off but you genuinely need the power, there are two paths: high-end shared hosting, or a VPS with a panel that absorbs part of the work — Plesk on a VPS, for instance.
What about performance?
Counter-intuitive but verifiable: a standard WordPress site often runs faster on modern NVMe shared hosting with PHP 8.4 and OPcache than on a small VPS left at defaults. Shared hosting arrives optimised; a VPS arrives bare.
A VPS becomes faster from the moment you optimise it: object cache, PHP-FPM worker tuning, a properly configured database. That's work — and it's exactly what you're buying.
Our recommendation
Start on shared hosting. Migrate the day one of the four signals appears, not before. And when you do migrate, budget half a day to install properly, not twenty minutes.
To go further, our VPS hardening guide lists the first ten steps to take after delivery.