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

How many websites use Disk Usage?

Disk Usage has 10 active installations as tracked by WordPress.org.

What are the best Disk Usage alternatives?

Popular alternatives to Disk Usage include Disk Space Usage, Tavakal – Disk monitoring, KDisk. You can compare them side-by-side on our comparison pages.

Does Disk Usage work with the latest WordPress?

Disk Usage has been tested up to WordPress 2.2.2. It requires WordPress 1.5+ and PHP false+.

Disk Usage — Reviews, Rating & Alternatives (2026)

Name: Disk Usage
Rating: 5 (1 reviews)
Author: Roland Rust

As of April 2026, Disk Usage is a WordPress disk plugin with 10 active installations and a 5/5 rating from 1 reviews. It has been downloaded 5.7K+ times in total. Requires WordPress 1.5+ and PHP false+. Available on WordPress.org since 2007. Last updated 18 years ago — may have compatibility concerns. Top alternative: Disk Space Usage.

5/51 reviews

10active installs

5.7K+total downloads

19 yearssince 2007

Overview

Your webspace is overquota? Your backup files have grown massively?
Want to know where the really big files are hidden?
This Plugin is a frontend for the Unix du command.

Read full description on WordPress.org