The addon placing cookies or/and localStorage items on a few pages to prevent cookie banners. The cookies/localStorage items are same for every user (except the date) and don’t getting send to the developer or third party sites.

Also a SessionStorage item getting placed by the addon to check if the addon got already executed in the same session on the same site. The SessionStorage item is the same for every user and don’t getting send to the developer or third party sites. The SessionStorage item getting deleted after the session.

The addon is ad free and doesn’t connect to the internet by itself.