For debugging purposes, you can enable runtime profiling by setting the startup configuration [`runtime-profiling`](00001004010000#runtime-profiling).
Typically, a Zettelstore developer will do this.
In certain cases, a Zettelstore developer will ask you to enable runtime profiling, because you encountered a hard error.

Runtime profiling will generate some data that can be retrieved through the built-in web server.
The following URL paths are valid:



See documentation for Go standard package [`net/http/pprof`](https://pkg.go.dev/net/http/pprof).