Developer Toolbar

Provides detailed Magento-specific data like block nesting, events/observers, and plugins/preferences, as listed in the key features, helping developers understand system behavior.

Displays profiler information, memory consumption, and database queries in real-time during requests, enabling immediate bottleneck identification without interrupting workflow.

Integrates directly into the Magento interface, giving developers quick access to debugging information without complex setup, as emphasized in the philosophy.

Covers multiple aspects from cache/session storage to PHP info, offering a one-stop solution for Magento optimization, as shown in the feature list.