The 'Cache control by Cacholong' plugin is a robust utility designed for WordPress users managing Nginx servers. This backend plugin automates the purging of Nginx Pagespeed and FastCGI caches, allowing users to streamline their caching processes. It supports both manual and automated purging via WordPress cron jobs and WP-CLI, offering flexibility for various server configurations. Users can also manage cache purging for single or multiple servers through a customizable hosts.json file, enhancing multi-server setups.

Key features include the ability to remove ID tags from stylesheet links for improved Nginx Pagespeed optimization and detailed purge status notifications. The plugin is compatible with both single-site and network sites, and it provides support for WPML, ensuring language negotiation is handled effectively. With options for customizing purge settings for default and custom post types, 'Cache control by Cacholong' is an essential tool for optimizing cache management in WordPress.