The SAP Portal has several caches
to speed up the portal experience and to minimize the impact of the
portal on the Server (load time, database, PCD lookups, etc.). This has
many benefits, but it complicates debugging for developers and support
staff. There, you don`t want to see cached results, you need to get the
actual changes.
When
the user is accessing the portal for the 1st time, the browser loads
all necessary files and caches them locally. 1st access with no cache:

