datarumx

This WordPress plugin allows you to block access to static pages by one or more security questions. First, you have to create and add some questions with answers to the main list. Answers are case insensitive. Then, associate questions from list you created with pages you need to block. After question is associated with a page – page becomes blocked until user provides correct answers on questions associated with a page, if he does – access will be granted during current session.

Pageblocker "Seeya"

This plugin allows you to block access to static pages by one or more security questions.

Anton

ContentProtector is a lightweight and flexible plugin that allows you to protect your WordPress content with passwords. You can protect an entire post or page, or just a specific portion of the content.
<h3>Features</h3>
<ul>
<li>Global Protection: Set a global password for all posts or pages.</li>
<li>Partial Content Protection: Use a shortcode to protect only a specific part of your content.</li>
<li>Customizable: Easy to set up with a clean and intuitive admin interface.</li>
<li>Secure: Uses WordPress Nonces and cookies for secure password handling.</li>
</ul>
<h3>How It Works</h3>
<ol>
<li>Use the shortcode <code>[cpwp_protect password="your_password"]</code> to protect an entire post or page.</li>
<li>Use <code>[cpwp_protect_content password="your_password"]</code> to protect only a portion of your content.</li>
</ol>
Example for partial content protection: 
 `html 
[cpwp_protect_content password=”pass”] 
This content is protected by a password. Enter the password to view it. 
[/cpwp_protect_content]

ContentProtector – password protect your page, post or text

Protect your content with passwords using easy-to-use shortcodes. Supports both global protection and partial content protection.

Pageblocker "Seeya" vs ContentProtector – password protect your page, post or text