WordPress Multisite lets you run a whole network of sites from one installation — ideal for agencies, franchises, universities and SaaS-style products. But a network puts more demand on your host than a single site. Here's what to look for.
What Multisite changes for hosting
One codebase serves many sites, each with its own content, users and settings, all sharing the same database and file system. That means:
- Higher, more variable resource use — traffic across all sites adds up, and one busy site affects the others.
- More storage — every site's uploads live under the same installation.
- Domain complexity — subdomains, subdirectories, or mapped custom domains per site.
What to look for in a Multisite host
1. Room to grow (RAM, CPU, storage)
A network is heavier than a single blog. Prioritize a host with fast NVMe storage, a strong CPU and generous, scalable resources — and a clear upgrade path as the network grows.
2. Wildcard subdomains and domain mapping
Subdomain Multisite needs a wildcard DNS/subdomain setup (*.yourdomain.com). Domain mapping (a custom domain per site) needs the host to let you attach multiple domains. Confirm both are supported before committing.
3. Wildcard SSL
If you use subdomains, you need a wildcard SSL certificate so every site.yourdomain.com is secured automatically. Check that free SSL covers subdomains, not just the root.
4. Backups that understand a network
A Multisite backup must capture the shared database and all sites' files together. Daily backups you can restore yourself are essential when a single change affects the whole network.
5. Control when you need it
As the network grows you may want SSH/root access for WP-CLI (invaluable for managing many sites), custom caching, or performance tuning.
Managed hosting or a VPS for Multisite?
- A small network (a handful of low-traffic sites) can run comfortably on solid managed WordPress hosting with NVMe and room to scale.
- A larger or growing network — many sites, real traffic, WP-CLI automation, custom domains at scale — is usually better on a WordPress VPS or a full Linux VPS, where you control resources and the stack. We compare the two in WordPress hosting vs VPS.
The rule of thumb
Match the host to the network's weight and your appetite for control. Start managed if the network is small and you want simplicity; move to a VPS when resource needs, domain mapping at scale, or WP-CLI automation make control worth the responsibility.
FAQ
Can I run Multisite on shared WordPress hosting?
A small network, yes — provided the host supports wildcard subdomains (or domain mapping) and wildcard SSL, with enough resources. Larger networks outgrow shared plans.
Do I need a VPS for Multisite?
Not for a small network. You'll want one when you need dedicated resources, SSH/WP-CLI, or custom-domain mapping across many sites — see our professional WordPress hosting options and the VPS route.
Is Multisite worth it over separate installs?
If you manage many similar sites (shared themes/plugins, central updates), yes. For a few unrelated sites, separate installs are simpler.