What does _ah mean in Google App Engine?

Question

Does the _ah mean anything in Google App Engine?

I\'m not looking to find out what it\'s used for or where is it located and how it works. As some answers b

Answer 1

/_ah/ is a reserved URL path used by App Engine for features (mail, warmup, login, etc.) or administrative purposes.
Script handler and static file handler paths will never match this path.