> For the complete documentation index, see [llms.txt](https://manual.bubble.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.bubble.io/help-guides/maintaining-an-application/testing-an-application.md).

# Testing and debugging

A key part of developing your Bubble application is testing and debugging. Bubble has several useful tools that help you identify issues and debug them.

{% content-ref url="/pages/-MTkIZ\_LuoIxZxAQ1WHT" %}
[Introduction to testing and debugging](/help-guides/maintaining-an-application/testing-an-application/the-basics.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MTlDpZdjUiQY6cglFrH" %}
[The debugger](/help-guides/getting-started/navigating-the-bubble-editor/tools/using-the-debugger.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MTWRsj87Tmi3t-QgKMe" %}
[The server logs](/help-guides/maintaining-an-application/testing-an-application/using-server-logs.md)
{% endcontent-ref %}