Is Formula04 Site Lock free?

Yes, Formula04 Site Lock is free to use. It is available as a free plugin on WordPress.org.

How many websites use Formula04 Site Lock?

Formula04 Site Lock has 10 active installations as tracked by WordPress.org.

What are the best Formula04 Site Lock alternatives?

Popular alternatives to Formula04 Site Lock include Post Lockdown, Wbcom Designs – Private Community for…, Lock Your Updates Plugins/Themes Manager. You can compare them side-by-side on our comparison pages.

Does Formula04 Site Lock work with the latest WordPress?

Formula04 Site Lock has been tested up to WordPress 4.8.28. It requires WordPress 3.5.0+ and PHP false+.

Formula04 Site Lock — Reviews, Rating & Alternatives (2026)

Name: Formula04 Site Lock
Rating: 3 (6 reviews)
Author: Verb_Form04

As of April 2026, Formula04 Site Lock is a WordPress lock plugin with 10 active installations and a 3/5 rating from 6 reviews. It has been downloaded 4.3K+ times in total. Requires WordPress 3.5.0+ and PHP false+. Available on WordPress.org since 2014. Last updated 8 years ago — may have compatibility concerns. Top alternative: Post Lockdown.

3/56 reviews

10active installs

4.3K+total downloads

12 yearssince 2014

Overview

Very simple plug that allows you to put a password-protect the front end of your site. You can also white list pages so that they are still accessible without entering the site password. You can also set any page you want to be the \”enter your password\” screen. This is supposed to be a super simple plug, let me know if you want any features added.

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