C
CCPA
California's data-privacy law giving residents rights over how businesses collect and sell their data.
CNAME Cloaking
A technique where a site disguises third-party tracking requests as first-party using DNS aliases.
Content Blocker
Apple's name for the sandboxed extension API on iOS Safari that returns blocking rules.
Cookie
A small piece of data a website stores in your browser to remember state between requests.
Cookie Consent Banner
The pop-up asking permission to set cookies, required in jurisdictions like the EU and UK.
D
Dark Pattern
A user-interface choice that tricks people into doing something they didn't intend.
declarativeNetRequest
The Manifest V3 API that lets extensions block or modify network requests using pre-declared rules.
DNS
The internet's phone book: it translates human-readable domain names into IP addresses.
DNS over HTTPS
A protocol that encrypts DNS queries inside HTTPS so they can't be read or modified in transit.
H
M
T
Third-Party Cookie
A cookie set by a domain other than the one in the address bar, used to track users across sites.
Tracker
Code, pixel or request that collects information about a user across websites.
Tracking Pixel
An invisible image used to silently report a page view or event back to a tracker.