Gemini said this could cause it not to clear cache.
“DuckDuckGo allows you to ‘Fireproof’ specific websites so you stay logged into them even after hitting the fire button. If a site’s cache won’t clear, it may be whitelisted.”
You logins and passwords will still be preserved on non-fireproofed sites.
Steve Caldwell
Bome Customer Care
Also available for paid consulting services: bome@sniz.biz