Having sex on the first date is generally not a wise idea. It's best to take things slow and really get to know someone before jumping into bed together.
Look, the first date is about making a great first impression and seeing if you two have any real chemistry beyond just physical attraction. Rushing into sex muddies those waters and can lead to all sorts of messy complications down the line.
You don't really know this person yet, their values, their intentions, whether they're just looking for a fling or something more. Having sex so soon raises the risk that one of you will get too attached too quickly, set unrealistic expectations, or feel used and objectified if you're not on the same page.
It's much smarter to take your time, date for a while, and let intimacy build naturally. That way, when you do take that step, it flows from a foundation of genuine care, trust and knowledge about one another. The sex will mean so much more coming from that emotional connection.
I'm not saying you need to put a ring on it before having sex. But at least get to really know their character first. See if your goals, communication styles and boundaries align. Make sure you both want the same things from this before crossing that line. A little patience goes a long way toward avoiding heartache.
Personally, I don't like sex on the first date but I believe everyone has the right to make his or her own decisions.
Images are mine