The #1 most trusted dating site. eharmony built the world’s first patented compatibility-based matching system based on 35 years of clinical experience and rigorous relationship research. eharmony offers: The most generous performance-based commission scale in the Matchmaking category at Commission Junction Top-notch service for our partners Ongoing creative development A trusted brand makes it easy to attract customers A dedicated program manager with an "open door" policy Important: Be sure to click here to review our most current search policy and enforcement rules. We encourage search engine marketing within our program, but we need to ensure that you understand our rules beforehand. Thank you!