AdUnblocker is a WordPress plugin designed to detect when ads from networks like Google AdSense are being blocked by ad-blockers. The plugin prompts users with a customizable popup requesting them to whitelist the site, ensuring that site owners can maintain ad revenue. With a lightweight design, AdUnblocker adheres to WordPress coding standards and does not require any additional libraries, making it easy to integrate into existing websites.

The plugin offers various features including customizable messages, display layouts, and a smooth admin interface for setup. Users can also activate a 'Strict mode' that hides the entire site until whitelisted. Additionally, it supports images and shortcodes, and works seamlessly with popular caching plugins, ensuring a non-intrusive experience. Overall, AdUnblocker provides a robust solution for managing ad visibility and enhancing user engagement.