The phrase "than online dating sites" is a comparison between two things. In this case, it means that something is considered better or more preferable than using online dating websites to find a romantic partner.
Sentences with «than online dating sites»
There can be nothing better than an online dating site offering free trial membership. (articlesfactory.com)
Dear friends, Many of my readers are wondering if Ukrainian marriage agencies are more effective than online dating sites. (ukrainiandatingblog.com)
I honestly don't think it's much worse than online dating sites when it comes to guys just wanting sex. (beyondblackwhite.com)