With over 100 free online dating sites, it's easy to choose to log on or post your profile for free, but there are some unique differences between pay and free sites that you should take into consideration before signing up.

Online dating services have grown since 1998, when the first ones hit the internet. There a sites especially for every type of person now, from teen online dating to senior online dating, with everyone else in between.

The bottom line is you get what you pay for. Joining a paying online dating service where there is a monthly or yearly fee says that you are willing to abide by the rules, etiquette, and supervision that the pay site tend to have. There are also no pop ups or little other advertising on pay sites, as this is how free online dating sites pay for their space.

Adult dating online through a paying membership site also usually means that you will have some hurdles to go over in order to get in. This is for your safety, so when they ask for a minimum length answer to profile questions, they are trying to weed out the people who are not serious. Another online dating tip for choosing sites is to choose one that requires a photo, even though a lot of sites don't, because they fear minimal participation (no one thinks they look good in a photo.)

The best online dating service will require two things that a free site can not usually afford to have-payment through credit card only and software in 24 hour use which detects phrases that are considered inappropriate for the site. Credit cards can be traced, which deters potential threats from using the site, knowing that they can be traced, and 24 hour software will censure crass material, or block the user altogether.