In any case, make sure that you log in on the tripadvisor.de site and not on tripadvisor.com (same login and password).
For some months, I made reviews being logged in on tripadvisor.com and did not receive any miles
Originally Posted by
oliver2002
Welt: yes they track how many you do
Tripadvisor: they are promoting the M&M alliance in english speaking regions, so the T&C must be a typo.