Overview of routers in Magento

Web requests are processed by the web server, and are then sent through the entry point of the application. The “webroot” of the app is determined by the directory the web server is looking at, which in Magento’s case ispub, and since the default file to handle requests is index.php, this is the entry point of Magento. So every web request in Magento gets sent through this pub/index.php file. This bootstraps the application, kicking off the app initialization process.

Without getting into too much unnecessary detail, Magento has different routers set up to handle different incoming re...