I've tried it, had one great result, and several, shitty results within the year I gave it a shot
Ask for an up to date photo, looks may not mean the world, but if they're giving you a cheesy out dated photo, it's a good sign they lack self confidence and that could be an issue down the line
Also, white lies are everywhere, just train yourself not to believe anything they put on the profile, and get the info you want through talking to them on the site
And after 1 message, if the gal is ready to meet, odds are it wont go to well, sensible women like to make sure you're not apeshit crazy right away
Also, if the reason you're having a hard time meeting women is because you are to shy to be the approacher, the website wont change shit, you still gotta keep casting out your line, while women play the traditional role of sitting there waiting to be contacted
I know quite a few people in legit relationships that started because of a dating site, so there's a decent chance, but for every one of those, there's about 3 horror stories