One item on this list that we would like to bring to your attention is «last login times». (saucydates.com)
It's always nice to see last login dates of members so that way you're not wasting your time sending messages to dead profiles. (bestdatingsites.com)
Features that you will have access to once upgrading are sending emails, view last login dates, 24/7 member support and view matches. (bestdatingsites.com)