How to hide various things that pop up as soon as you visit a website
I believe that discount offers, cookie prompts, and GDPR banners are user-hostile interfaces that demand your attention and interrupt your browsing experience.
Settings > Privacy & Security > Permissions section > Notifications settings > select the "Block new requests asking to allow notifications" checkbox
add-ons:
demodal — block modals and overlays, including GDPR banners