Reference

Browser environment glossary

Clear definitions for the terms used throughout Firefox profile configuration and automation.

Browser profile

An independent directory containing browser storage, cookies, preferences and session data.

A related set of platform, display, language, hardware and browser characteristics.

A browser context that uses a durable profile directory across launches.

A network intermediary configured for a profile connection.

A proxy session intended to keep one exit address for a defined period.

Browser real-time communication interfaces that can expose network-related signals.

A browser graphics interface whose renderer information belongs to the device environment.

A browser drawing interface that can contribute to environment measurements.

Regional formatting preferences for language, dates and numbers.

The browser time offset and zone reported to websites.

A portable archive of profile configuration and, when selected, browser data.

An interface bound to a local or controlled network environment for programmatic operations.