Firefox Profiler

The Firefox Profiler is the tool that Firefox engineers and Web developers alike use to analyze how their code works, including its performance. Note that other components exist in Devtools and Core (more info).

Select a component to see open bugs in that component:

Security

If this is a security issue that doesn't belong to other components, or you don't know the component it should belong.

Untriaged

If you don't know where to file a bug about the Firefox Profiler.