Smart Custom 404 error page [404page]

The 404page plugin for WordPress offers a robust solution for creating custom 404 error pages, providing an instrumental way to retain visitors who might otherwise leave upon encountering a default, non-informative error page. Ideal for any theme, this plugin allows users to design their own 404 error page through WordPress Page Editor, ensuring a continued navigation path for first-time visitors. Unlike similar plugins, 404page efficiently delivers a correct 404 status code without creating redirects or additional server requests, maintaining proper search engine indexing. Though development and support for this plugin ceased in October 2023, its legacy continues with over 100,000 active users. Key features include integration with block-based and classic editors for displaying the error-causing URL, robust privacy assurances, action hooks for developers, and functions to manage custom 404 page status and details. Encouraging seamless integration and customization, the plugin ensures that website owners can effortlessly manage their visitor experience when a 404 error occurs.