WordPress Multisite is a feature built into WordPress core that lets you run a network of multiple websites from a single WordPress installation. It’s a powerful tool for the right use cases and a source of unnecessary complexity for the wrong ones. Here’s what it is, when it makes sense, and when a standard multi-site hosting plan is the better choice.
What Is WordPress Multisite?
WordPress Multisite turns a single WordPress installation into a network where each site in the network shares the same WordPress core files, the same database (with separate tables per site), and the same server resources. Each site can have its own domain or subdomain, its own content, its own theme, and its own set of activated plugins — but all are administered from a single Network Admin dashboard.
A network administrator manages the overall installation — controlling which plugins and themes are available, managing users across the network, and overseeing the whole environment. Individual site administrators manage their own sites within the constraints the network admin sets.
What Multisite Is Good For
Multisite works well for specific organizational structures:
- Universities and large organizations with many departmental or regional subsites that need shared administration and consistent branding
- Franchise businesses running location-specific sites (Chicago.brandname.com, Miami.brandname.com) with centralized management
- Publishers and media companies operating multiple editorial properties with shared user accounts and content infrastructure
- SaaS platforms built on WordPress where each customer gets their own subsite within the network
- Agencies managing many sites for a single large client with interconnected content and user bases
What Multisite Is Not Good For
Multisite is frequently chosen when it shouldn’t be. It’s the wrong tool when:
- You’re managing sites for different, unrelated clients — one client’s bad plugin update or traffic spike can affect all sites on the network
- Sites need different WordPress versions, different PHP versions, or fundamentally different server configurations
- Individual sites need to be transferred to separate hosting accounts — extracting a site from a Multisite network is more complex than moving a standalone installation
- You simply want to host multiple websites affordably — a multi-site hosting plan is simpler and safer for this
Multisite vs a Multi-Site Hosting Plan
This is where a lot of people get confused. WordPress Multisite and a hosting plan that supports multiple sites are different things:
WordPress Multisite is a single WordPress installation running multiple sites. All sites share resources, the same WordPress version, and the same plugin library. Centralized administration is the key benefit.
A multi-site hosting plan (like WP Engine’s Professional, Growth, or Scale plans) gives you multiple separate WordPress installations on a single account. Each site is fully independent — its own WordPress version, its own plugins, its own database, its own staging environment. You manage them from the same hosting account but they don’t share infrastructure in the way Multisite does.
For most agencies, freelancers, and businesses managing multiple unrelated sites, separate installations on a multi-site plan is the right approach. It’s simpler, safer, and gives each site full independence.
WordPress Multisite on WP Engine
WP Engine supports WordPress Multisite as an add-on on Professional, Growth, and Scale plans. It’s not available on Startup plans. If Multisite is the right fit for your specific use case, WP Engine’s managed environment handles the complexity of running a Multisite network with the same security, performance, and support infrastructure as any other WP Engine site.
If you’re not sure whether Multisite is right for your situation, the answer is usually no — separate installations on a Growth or Scale plan give you more flexibility with less risk. See all WP Engine plans through Screenwalker for exclusive pricing, or read our guide on how many sites you can host on each WP Engine plan.
