Chemistry.com is an online dating site with prominent features including a personality test made by a professional anthropologist, Dr. Helen Fisher. You can register for free, but the true potential is unlocked for subscribed members only. But Chemistry.com provides everyone a 3-day long free trial of the paid membership. During the trial period, you are free to send messages to other members, and might get a chance to find a date.
Free 3-Day Trial of Paid Membership at Chemistry.com
Chemistry.com offers new members a limitless 3-day long trial, where you can enjoy all the benefits the site has to offer for free.