"I don't think it looks like you're looking for a relationship" said Alex Williamson, vice president of branded content for dating app Bumble.
These photos are so despised that Bumble decided to ban them outright in October, saying people tended to pass most frequently on profiles with those pics.
So what are the best ways to boost the odds of finding that special someone with whom to share your heart and Wi-Fi password? Online dating service Ok Cupid looked at the data of various sexual orientations, and the pattern was obvious.
Tip: If you upload more than one photo, you get at least twice as many likes. Well, you've got a leg up if you're a pet owner with frequent flier miles.
But if you're into more than a wham-bam-thank-you-whoever, experts say details matter.
Don't write vague statements about being fun, easy-going and enjoying long walks.
Editor's note: Brenna Ehrlich and Andrea Bartz are the sarcastic brains behind humor blog and book "Stuff Hipsters Hate." When they're not trolling Brooklyn for new material, Ehrlich works as a senior writer at MTV, and Bartz is a news editor at Psychology Today. Your missive doesn't have to be Pulitzer-worthy, by any means -- although spell check really doesn't hurt -- but there's a whole passel of openers that will get you deleted from a digital dater's heart.
Got a question about etiquette in the digital world? (CNN) -- If you're young, urban and didn't import a significant other from college, it's pretty likely that you're on an online dating site.
Eighty-six percent of profiles reported to Bumble for bad behavior had the dreaded photo.
Granted, if you hop on a dating app like Tinder or Bumble, you'll run across profiles with nary a word written in their bio or interests.
You can probably figure out, ahem, what those people are looking for.
"You've got a lot of people on there who have an agenda, and the agenda is not romance," said Marcia King-Gamble, a longtime online dater and romance novelist.
Hey, it's great that you're a nonconformist who has his own trained tarantula circus, and any girl who's into well-behaved bugs is sure to dig you, but trying too hard to be interesting is just that: trying too hard. Man up and say something, while avoiding numbers 1 through 6, that is.