preferences offered:   27
with a recorded state: 27

state     count   meaning
full          4   changes the output across its whole range
partial       1   some values honoured, others not
client        1   honoured in the browser, not the engine
none         21   stored, cached, invalidating — and read by nothing

6 of 27 preferences change anything at all.

by group:
  dasha        2 full, 2 none
  display      1 client, 2 none
  jaimini      3 none, 1 full
  panchanga    4 none
  prasna       1 none
  reference    1 partial, 1 full, 3 none
  strength     3 none
  tajaka       3 none

(frontend not scanned — pass its src directory to check the `client` entries)

Every preference has a recorded state, and every state matches what the
code actually reads.