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WordPress Multisite

Mastering WordPress Multisite: Complete Guide to Network Setups 

Written By: author image Joella Dunn
author image Joella Dunn
Joella is a writer with years of experience in WordPress. At Duplicator, she specializes in site maintenance — from basic backups to large-scale migrations. Her ultimate goal is to make sure your WordPress website is safe and ready for growth.
     Reviewed By: John Turner
reviewer image John Turner
John Turner is the President of Duplicator. He has over 20+ years of business and development experience and his plugins have been downloaded over 25 million times.

Are you not sure how to set up WordPress Multisite, or if you should?

WordPress Multisite is a powerful feature that lets you control multiple sites within a single WordPress installation. This makes it easy to install the same plugins, perform backups, and apply consistent branding across different websites. 

In this post, we’ll show you everything you need to know about WordPress Multisite networks!

What Is a WordPress Multisite?

WordPress Multisite is a feature that allows you to manage multiple websites on one WordPress installation. It provides a centralized dashboard from which you can efficiently oversee and control a network of websites. 

What Are the Benefits of WordPress Multisite?

Managing multiple WordPress websites can be a daunting task. You’ll have to switch between different dashboards, handling individual software updates, backups, and other important management tasks.

Fortunately, WordPress Multisite solves this problem.

Whether you’re looking to establish a network of blogs, run multiple business sites, or cultivate a community of niche forums, WordPress Multisite can simplify web management and enhance productivity.

Let’s discuss the main benefits of Multisite networks.

1. Centralized User Management

Multisite simplifies user management, as users can log in with a single account and access multiple sites if they have the appropriate permissions. You can create new users, customize user roles, and send notifications to sub-site admins to build a strong network. 

2. Cost-Effective

Having multiple websites using a single hosting account can be a more affordable solution than separately hosting each site.

3. Enhanced Scalability

Multisite allows you to expand your network of websites as needed, accommodating future growth and scaling effortlessly.

4. Consistent Branding

Maintaining consistent branding and design becomes easier with Multisite because you can apply the same themes and styles across all sites.

5. Simplified Maintenance

Managing backups, security, and performance optimizations becomes more efficient when dealing with a single installation and shared infrastructure.

6. Easy Collaboration

Multisite fosters collaboration among contributors within the WordPress network, enabling shared access and streamlined workflows.

7. Improved SEO

WordPress Multisite allows you to implement consistent SEO strategies across all sites, enhancing search engine visibility and driving organic traffic.

What Are the Disadvantages of WordPress Multisite?

WordPress Multisite isn’t for everyone, and here’s why.

1. Complexity

The setup and configuration process may be more involved, and troubleshooting issues can be more challenging. WordPress Multisite requires a higher level of technical expertise and understanding of the network’s specific functionality.

2. Plugin and Theme Compatibility

Not all plugins and themes are fully compatible with WordPress Multisite. You may have to stop using your favorite tool and find a similar option.

3. Performance

Depending on the size and traffic of the multisite network, performance can be a concern. A high-traffic site within the network can potentially impact the performance of other sites sharing the same resources.

4. Dependent on Network Stability

As multiple sites rely on a single WordPress installation, any issues with the network can affect all the sites. A network-wide technical issue or a misconfiguration could take down your entire multisite network. So, it’s important to perform regular backups and a disaster recovery plan.

5. Limited Flexibility

While WordPress Multisite allows for centralized management and consistent branding, it may limit individual site customization. Each site within the network shares the same core files, themes, and plugins. Tweaking the design or functionality of specific sites might require custom development.

When to Use WordPress Multisite

We’d recommend managing a multisite if you want any of these websites:

  • Websites with similar content, plugins, themes, and functionality
  • Websites that share a single server
  • Network of personal sites like blogs or portfolios
  • Network of client websites run by developers or web agencies

Let’s take a look at a few examples!

BBC America has a centralized network for all of its shows. There is a main website, along with several sub-sites, all within a single WordPress installation:

BBC America multisite network is another popular example. This network contains millions of different sub-sites run by bloggers. Unlike, all of these separate blogs are hosted on the same server: Multisite network

WordPress Multisite can also be useful for educational websites. Harvard Blogs is a network that allows college students and faculty to build their own blogs:

Harvard Blogs Multisite

If you build websites for clients, you can use a Multisite network to set up your favorite plugins and themes on the sub-site. When you’re ready to go live, you can simply migrate the site out of the network and onto its own server.

However, there are many reasons to have separate WordPress installations. Multisite networks might not be useful for websites with very different content, plugins, themes, or functionality. Plus, your business or personal site may not need to expand into sub-sites.  

WordPress Multisite Hosting Considerations

Before you start setting up your first WordPress Multisite, you’ll need to consider what WordPress host you’ll use. As we mentioned earlier, this can make or break your network’s performance. 

First, think about your goals. If you never plan on having more than a couple of sub-sites, you can save costs and go with a shared hosting plan.

However, you may want to scale your network even more. In this case, you could benefit from a Virtual Private Server (VPS), managed hosting, or a dedicated server. 

If you’d like to consider different hosting options, we’d recommend Bluehost. This hosting provider has a variety of plans, including shared, VPS, and dedicated hosting:

Bluehost WordPress hosting

Compared to other web hosting services, Bluehost is an affordable option. No matter which level of hosting you choose, you can launch your new Multisite without breaking the bank. 

How to Set Up WordPress Multisite

Once you’re sure a WordPress Multisite will meet your business goals, it’s time to set one up! Let’s walk you through the process, step-by-step.

Step 1: Back Up Your Website

First things first, you’ll need to back up your website. If you forget this step, you won’t be able to restore your site if anything goes wrong during the network setup. 

To easily create a backup, we’d recommend installing Duplicator Pro. This is the best WordPress backup plugin because it supports automatic backups, secure backup encryption, one-click restores, and cloud storage.

Duplicator Pro plugin

Be sure to select a subscription for Duplicator Pro. Although there is a free version, you’ll need to upgrade for WordPress Multisite support.

After your purchase, copy the license key. Then, open the WordPress dashboard for your original site. Install and activate Duplicator.

As a final step, find Duplicator Pro » Settings » Licensing and activate your license key:

Activate Duplicator Pro license key

Now you can create your first backup! Simply navigate to Duplicator Pro » Packages » New:

Create Duplicator package

Name the package. Then, expand the Archive section. Here, you can customize exactly what data you want to be saved in the backup:

Duplicator custom package components

For a full backup, click on the All tab and hit Next. Duplicator will then perform a full scan before backing up the site:

Duplicator package scan

Once you build the backup, click on Download » Archive (zip):

Download archive zip file

After this, you can continue setting up your WordPress Multisite!

Before enabling Multisite, deactivate all active plugins. After you set up your network, you can reactivate them. 

Step 2: Enable WordPress Multisite

In some cases, your hosting provider will set up a WordPress Multisite installation for you. However, you may have to do this yourself. 

To get started, you’ll need to open your site’s files. You can do this by connecting to a File Transfer Protocol (FTP) client like FileZilla or cPanel. This will depend on your web host.

Next, open your wp-config.php file. Right before the That’s all, stop editing! Happy blogging line, add this code:

/* Multisite */

define('WP_ALLOW_MULTISITE', true);

Save the file after this change. Then, open your WordPress admin dashboard and find Tools » Network Setup:

WordPress Multisite network setup

You’ll have two options for setting up your sub-site addresses:

  • Sub-domains:
  • Sub-directories:

Keep in mind that sub-domains require domain mapping in your DNS settings. Don’t worry, we’ll walk you through that process later in this guide.

After choosing a site address, you can customize your network’s title. You’ll also need to add an admin email address. Then, hit Install.

Now, WordPress will provide some code to finish installing the network. You’ll need to copy and paste this into your wp-config.php and .htaccess files:

Enable WordPress Multisite

When you log back into your WordPress site, you’ll now see a Multisite network dashboard:

Multisite network admin

As a network administrator, you can create new sub-sites and manage their individual dashboards. Plus, you can install plugins and themes for the entire network. 

Step 3: Create a Wildcard Subdomain

A wildcard subdomain is a DNS configuration that allows you to automatically create and map multiple subdomains to a single domain. This simplifies the process of adding and managing new sites within the network.

To enable wildcard subdomains for a WordPress Multisite network, you need to configure your DNS settings. First, sign into your WordPress hosting account. In this tutorial, we’ll be using Bluehost.

Head over to Domains » Subdomains » Add Subdomain. Then, type an asterisk (*) into the field for the subdomain name. Select your domain name using the dropdown menu:

Add wildcard subdomain

Leave the document root as the default option. Finally, hit Create.

Step 4: Import Sites Into the Network

Now that you’ve set up your network, it’s time to create new subsites! To do this, simply go to My Sites » Network Admin » Sites. Then, click on Add New:

Add new network subsite

Next, enter the site’s address and title. If you want to create a multi-lingual network, feel free to set up your new subsite in a different language. Lastly, choose an admin email and hit Add Site:

New network subsite info

This will create a completely fresh site within your network. However, you may want to migrate an existing site into your Multisite. This can be useful for working on clients’ sites as a freelancer.

Duplicator Pro makes it easy to transfer sites in and out of your network. You won’t have to worry about data loss or a complicated migration process. 

First, you’ll need to create a package of the standalone site. Refer to the instructions in Step 1 for more details.

On your network installation, go to My Sites » Plugins » Add New. Install Duplicator Pro and activate it for the network:

Activate Duplicator Pro in WordPress Multisite

Then, find Duplicator Pro » Import. Drag and drop your package’s archive file into the import box:

Import website archive

After it uploads, you’ll see some details about the original site, as well as what’s included in the package. To import it, hit Continue:

Import Duplicator archive into Multisite

At this point, you could consider setting a recovery point for your network. Select the most recent backup and copy the generated recovery URL. You can use this to roll back your Multisite should the installation cause any issues:

Multisite recovery point

Once you have this safety precaution in place, scroll to the bottom of the page. Here, click Launch Installer:

Launch site installer

In the Duplicator installer, you’ll see the option to import a single site into your multisite network. Select this, and customize the URL path for the new sub-site:

Duplicator import single site into Multisite network

Accept the terms and notices and click Next. As a final step, you’ll need to confirm that you have a recovery URL and run the installer:

Run Multisite installer

Duplicator will unpack the archive file and import it into your network. Once finished, use the Admin Login button to access your network again:

Finished Multisite import

In your network admin, you’ll see that you now have the original standalone site set up as a sub-site. It’ll have its own dashboard just like every other WordPress site:

Imported Multisite subsite

Continue to add as many sub-sites as you’d like! 

How to Back Up Your Multisite Network

To make sure you never lose your Multisite network to cyber attacks, malware, server errors, or unexpected glitches, it’s important to regularly back it up. Unlike many other backup plugins, Duplicator can save backups of all your subsites, even if you have a large network.

As a network admin, add a new package with Duplicator. You can decide to save backups on your local server or use a third-party cloud storage service.

Multisite backup

Duplicator supports all of these storage options, so you can find the right one for your network:

In the Archive section, click on the Multisite tab. This will allow you to select which subsites are included in the backup. To exclude a site, simply move it to the Excluded Sub-sites box:

Multisite custom archive file

However, you can only restore your entire network if all subsites are included in the package. If you decide to filter them, you’ll have to restore each subsite as a standalone site.

After you customize your archive file, hit Next. Review the site scan and click Build:

WordPress Multisite network scan

Duplicator will then back up your network!

As a super admin, you’ll be managing updates and other maintenance tasks for the whole network. To make backups easier, consider setting up automatic backups

Frequently Asked Questions (FAQs)

What is the difference between a single site and multisite in WordPress?

A single site is a standalone WordPress installation that supports one website. On the other hand, Multisite allows a single WordPress installation to host multiple websites, each with its own separate content, themes, and plugins. All the sub-sites can be managed from a central admin dashboard on the main site.

Is Multisite good for SEO?

WordPress multisite can be beneficial for SEO when implemented and managed effectively. It allows for centralized management of multiple websites, potentially leading to improved site structure, easier content management, and consistent branding across sites. However, proper SEO optimization techniques are still crucial for achieving good results.

Does WordPress Multisite use the same database?

Yes, all sub-sites in a WordPress Multisite use the same database. Activating Multisite creates new database tables so that each site stores data separately. 

Can Multisite have different themes?

Network admins can install themes and hit Network Activate to make them available to sub-sites. Then, sub-site admins can choose to activate them on their own sites. You can activate one theme on each subsite, but the network settings control which themes are installed. 


That’s it! We hope this guide helped you learn all about WordPress Multisite networks.

While you’re here, you may also like these extra WordPress tutorials:

Want to easily migrate websites into and out of your WordPress Multisite? Download Duplicator today to access simple server-to-server transfers!

author avatar
Joella Dunn Content Writer
Joella is a writer with years of experience in WordPress. At Duplicator, she specializes in site maintenance — from basic backups to large-scale migrations. Her ultimate goal is to make sure your WordPress website is safe and ready for growth.

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