So this is my opinion... I can't say much about meeting someone for the first time and getting married, after nearly 9 months of "dating" online, I travelled knowing I had the approval of parents on both sides to get married. With that being said, I KNOW what kind of ride I am in for with an IO to bring my husband here. And honestly, with the best intentions or no this creates a great amount of stress on two people who are living apart and newly married. I suspect I am older than you, I have completed a few degrees, I am a year from being a lawyer, there is absolutely no criminality in my background, but given we met and married on our first visit together... I know this poses a difficult case to us.
You can bet for sure, whether or not he is LEGALLY allowed to sponsor you, you both will be scrutinized... You have to remember that as long as decisions are well motivated, an IO has plenty of discretion in their decision. I suspect taht when it comes to you, you are young, I don't know the age difference between you both but I am sure it will be a factor if it's too great. They will worry about the fact that he is on parole. This is a risk factor, as he will be responsible for you for 3 years upon approval of your PR. It's a risk because he is of risk of going back to jail if he re-offends or violates his parole in any way. Then who is gonna care for you?
Another issue is by your own admission, you don't have the support of your family. They will look at this, who knows about your relationship, what do they think of it? They will look at things like life experience too, you said about completing your degree...things like this. I suggest you do this, as everyone has clearly clearly told you multipple times in multiple ways, get to know each other, there is no rush, get some life experience under your belt. Go to school work, travel a bit and come and see him. A true relationship will stand the test of time. Trust me you have no idea what it is like to mary somoene and then return to your home country and not see them except for once or twice a year. If you plan to do school, travelling will become harder and harder.
Everyone has a different case, but some are more straight forward then others, and trust me, but trust me many memebers can attest to a more simple case then yours and having a hard time getting their spouse here, even getting denied. Listen to the memebers, take your time, no need to rush. To be honest if I could go back and do it again, I would visit a a few more times before getting married. This has nothing to do with my relationship with my husband, I made a great choice in him. But our lives would be so much easier infront of immigration.
Sorry for the rant, just thought I should give it straight how I see it.... it's complex!!!