Short answer: When selected, you remain signed in on that browser/device via cookies—no need to re-enter your nickname and password next time.
- 🖥️ Applies only to the browser/device where you enabled it.
- 🕵️ Incognito/private mode won’t keep you signed in.
- 🍪 Clearing cookies or tapping Logout ends the session.
💡 Tip: Allow cookies and use a regular tab for persistent sign-in.