Is it ok to be nervous about going on a date with someone you only speak to online?

You should never go on a date with an online connection until you've talked on the phone. And or video chatted. If you're not good enough to have their phone number, they are not good enough to date.

I've been nervous on the first time I've ever been on a date with anyone other than one girl, because her and I just sparked immediately.

Yeah absolutely. Dates are always nervy at the start. I dated a woman I met only online and I married her!!

Yes. To help out things I would say the more you get to know them the less nervous it may make you feel.

As long as you're not too nervous like sweating, jittery, unable to speak correctly.

Yes it is.
Would be weird if you weren't.

hell yeah ! I do not know who would not

it's always ok to be nervous