Best mu plugins for WordPress
The most popular mu plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Where Am I leads with 40+ active installs, ahead of YD Network-wide Options (30+) and MU Plugins Tool (20+). All 15 plugins tagged “mu” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 8 mu plugins
- 1.
Where Am IThe most installed mu plugin, with 40+ active installs. No reviews yet, last updated 10 years ago. Tested only up to WordPress 4.8.34.
- 2.
YD Network-wide Options30+ active installs. Rated 4.4 from 8 reviews, last updated 14 years ago. Tested only up to WordPress 3.0.5.
- 3.
MU Plugins Tool20+ active installs. Only 1 review so far, last updated 13 years ago. Tested only up to WordPress 3.5.2.
- 4.
Schedule Random Date/Time Button20+ active installs. No reviews yet, last updated 15 years ago. Tested only up to WordPress 3.2.1.
- 5.
WPMU Custom CSS10+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 2.8.6.
- 6.
Multisite Widgets10+ active installs. Only 1 review so far, last updated 14 years ago. Tested only up to WordPress 3.3.2.
- 7.
Network Sites Counts Dashboard Widget10+ active installs. No reviews yet, last updated 3 years ago. Tested only up to WordPress 6.2.15.
- 8.
Jet Site Unit Could Widgets10+ active installs. No reviews yet, last updated 15 years ago.
All 15 plugins tagged “mu”
Where Am I
Down in the last 7 days:99#22,209by BjornW11 years ago
Adds a HTML comment in the head on the front-end with current server name and address. Description = Where Am I is a tiny WordPress plugin which ad …
- Installs
- 40+
- Rating
- –
- Downloads
- 3/day
YD Network-wide Options
#23,368by Yann at WP&Co14 years ago
This plugin has been thoroughly tested and is fully compatible with WordPress 3.0x multisite or with WPMU 2.9.
- Installs
- 30+
- Rating
- 4.4(8)
- Downloads
- 0/day
MU Plugins Tool
Down in the last 7 days:407#26,026by AK Ted13 years ago
MU Plugins Tool allows you to activate or deactivate any MU (must-use) plugins that are installed - on an individual basis or all at once.
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day
Schedule Random Date/Time Button
Down in the last 7 days:26#28,010by jwpegram15 years ago
Adds a Random Date button when editing a Post, Page or Comment.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day
WPMU Custom CSS
Down in the last 7 days:4,644#43,201by Hassan117 years ago
WPMU Custom CSS is a plugin for wordpress mu that helps bloggers to edit their theme style securely. Just like wordpress.com custom css paid upgrade.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Multisite Widgets
Down in the last 7 days:1,217#44,256by DCoda14 years ago
Extends the standard WordPress widgets to be able to run on another blog on the site.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day
Network Sites Counts Dashboard Widget
Down in the last 7 days:9,571#47,514by Michael Beckwith3 years ago
Display a list of post counts for all your sites in your network.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Jet Site Unit Could Widgets
Down in the last 7 days:1,131#47,671by milordk15 years ago
Provides random members and/or groups avatar list + blog list with more options /Widget/
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day