A quick look at the JavaRanch JForum codebase shows that the src/main/webapp/templates/default/bottom.htm file has the Google Analytics tracking pixel in it, but that's it. If Piwik -which has less features than GA- is similar, then adding the pixel to that file might be all that's required.
posted 8 years ago
thank you very much for the hint
She'll be back. I'm just gonna wait here. With this tiny ad:
Devious Experiments for a Truly Passive Greenhouse!