Settings
Everything is local
There is no account and no server. An export is the only copy that survives this browser losing its storage.
Appearance
Theme
Applied immediately, and remembered before the next page paints.
The console
Transcript detail
How much of each exchange the transcript writes down.
Request budget
Requests one session may run before the engine gives up. It is what stops a witness search locking this tab.
Score the clock
Turning this off means an attempt cannot set a personal best. That is what it costs, and it is worth knowing before rather than after.
Your data
An export is the only copy that survives this browser losing its storage — there is no server one.