In the past, me was also told that in the Standard Edition License it would be possible to customize the "website". However, this is not possible.

In the advanced license, it is possible through a menu (Micro Focus says so):

When you using the hardcoded method, you only have the problem that when you update Filr, you need to modify the files again (because these files are automatically generated into a new directory).

If you do not want to pay, you can use the hardcoded method (it works in any case).