Yes, Domainer is free to use. It is available as a free plugin on WordPress.org.

How many websites use Domainer?

Domainer has 10 active installations as tracked by WordPress.org.

What are the best Domainer alternatives?

Popular alternatives to Domainer include Code Snippets, User Switching, WP OPcache. You can compare them side-by-side on our comparison pages.

Does Domainer work with the latest WordPress?

Domainer has been tested up to WordPress 0.0.0. It requires WordPress false+ and PHP false+.

Domainer — Reviews, Rating & Alternatives (2026)

Name: Domainer
Rating: 4.3 (12 reviews)
Author: Doug Wollison

As of April 2026, Domainer is a WordPress multisite plugin with 10 active installations and a 4.3/5 rating from 12 reviews. It has been downloaded 4.7K+ times in total. Requires WordPress false+ and PHP false+. Available on WordPress.org since 2017. Last updated 1 year ago — may have compatibility concerns. Top alternative: Code Snippets.