Erma Gerd

Yes, doing it internally on save/update would be the sensible, low impact, more sustainable, more cache friendly way to do it. I don’t believe the DONOTCACHEPAGE constant was ever really designed to be used dynamically like that. It is used by some plugins such as WC for cart pages and other pages that are never meant to be cached, but having it turn on and off for the same page…. uggghh
ET have a different view.. ¯\_(ツ)_/¯