Ok, here’s the experiment. We analyzed over 500,000 first contacts on our dating site, OkCupid. Our program looked at keywords and phrases, how they affected reply rates, and what trends were statistically significant. The result: a set of rules for what you should and shouldn’t say when introducing yourself online. Let’s go:
Rule 1
Be literate
Netspeak, bad grammar, and bad spelling are huge turn-offs. Our negative correlation list is a fool’s lexicon: ur, u, wat, wont, and so on. These all make a terrible first impression. In fact, if you count hit (and we do!) the worst 6 words you can use in a first message are all stupid slang.Be literate

Interesting exceptions to the “no netspeak” rule are expressions of amusement. haha (45% reply rate) and lol (41%) both turned out to be quite good for the sender. This makes a certain sense: people like a sense of humor, and you need to be casual to convey genuine laughter. hehe was also a successful word, but much less so (33%). Scientifically, this is because it’s a little evil sounding.
So, in short, it’s okay to laugh, but keep the rest of your message grammatical and punctuated.
Rule 2
Avoid physical compliments
Although the data shows this advice holds true for both sexes, it’s mostly directed at guys, because they are way more likely to talk about looks. You might think that words like gorgeous, beautiful, and sexy are nice things to say to someone, but no one wants to hear them. As we all know, people normally like compliments, but when they’re used as pick-up lines, before you’ve even met in person, they inevitably feel…ew. Besides, when you tell a woman she’s beautiful, chances are you’re not.Avoid physical compliments
On the other hand, more general compliments seem to work well:


Rule 3
Use an unusual greeting
We took a close look at salutations. After all, the way you choose to start your initial message to someone is the “first impression of your first impression.” The results surprised us:Use an unusual greeting

The more informal standard greetings: how’s it going, what’s up, and howdy all did very well. Maybe they set a more casual tone that people prefer, though I have to say, You had me at ‘what’s up’ doesn’t quite have the same ring to it.
Rule 4
Bring up specific interests
There are many words on the effective end of our list like zombie, band, tattoo, literature, studying, vegetarian (yes!), and metal (double yes!) that are all clearly referencing something important to the sender, the recipient, or, ideally, both. Talking about specific things that interest you or that you might have in common with someone is a time-honored way to make a connection, and we have proof here that it works. We’re presenting just a smattering: in fact every “niche” word that we have significant data on has a positive effect on messaging.Bring up specific interests


Rule 5
If you’re a guy, be self-effacing
Awkward, sorry, apologize, kinda, and probably all made male messages more successful, yet none of them except sorry affects female messages. As we mentioned before, pretty, no doubt because of its adverbial meaning of “to a fair degree; moderately” also helps male messages. A lot of real-world dating advice tells men to be more confident, but apparently hemming and hawing a little works well online.If you’re a guy, be self-effacing

Rule 6
Consider becoming an atheist
Mentioning your religion helps you, but, paradoxically, it helps you most if you have no religion. We know that’s going to piss a lot of people off, and we’re more or less tongue-in-cheek with this advice, but it’s what the numbers say.Consider becoming an atheist

Though very few people actually do it, invoking the sky-breaking thunderbolts of zeus does help a person get noticed (reply rate 56%), but maybe that shouldn’t be a surprise on a site that is itself named for a member of the Classical pantheon. So if you can’t bring yourself to deny the deity, consider opening yourself up to a whole wacky bunch of them. But ideally you should just disbelieve the whole thing. It can help your love life, and, besides, if there really was a god, wouldn’t first messages always get a reply?