Using Django Debug Toolbar
At this point, you will already be familiar with Django's debug page. Throughout the previous chapters, you have seen the distinctive yellow and grey Django debug page several times. For example, in Chapter 2, Enhancing Your Blog with Advanced Features, in the Handling pagination errors section, the debug page showed information related to unhandled exceptions when implementing object pagination.
The Django debug page provides useful debug information. However, there is a Django application that includes more detailed debug information and can be really helpful when developing.
Django Debug Toolbar is an external Django application that allows you to see relevant debug information about the current request/response cycle. The information is divided into multiple panels that show different information, including request/response data, Python package versions used, execution time, settings, headers, SQL queries, templates used, cache, signals, and logging...