CTRL-C – SIGINT CTRL-\ – SIGQUIT CTRL-Z + kill -9 %1 – SIGTSTP + SIGKILL

Otherwise I’d have to install a gui

Respectfully, that’s not true. GDPR Article 2(2)©:

2. This Regulation does not apply to the processing of personal data: © by a natural person in the course of a purely personal or household activity;

Excuse my ignorance but what chapter / section of the GDPR deals with end users downloading pdfs?

This just seems to be detecting if the browser is Firefox. The function is even named isGecko which is Mozilla’s browser engine used by Firefox. Edge, IE (Trident) don’t return true from isGecko

Unless I’m missing something I don’t see where the delay is added