Overall, 60% of the girls are looking for a serious relationship.
Another 30% is looking at having a discrete adventure with a foreigner…
If you would like to meet students, there are a good number of girls looking to improve their English if you don’t mind being a teacher. I once met a student from Bandung that wanted to practice English with a foreigner for her business administration degree. We become friends and eventually, I went for a week-long holiday around West Java with her. Cupid Media Group who owns a broad range of niche websites focuses on dating.
In my experience, most girls are looking for a long term relationship, but if you’re a man traveling for business or only pleasure, you can find a vacation girl.
Before getting started, a word of caution: Indonesian Cupid is my favorite dating site because is an excellent balance between the number of members, quality, and affordability. There are always a few hundred girls online anytime I log in. You can filter the girls by location which is convenient if you have already plan your holiday in a particular destination in Indonesia.
If you find yourself in the smaller cities (like Kaohshiung or Taichung) it might not be as available.
So you don't need to speak Mandarin to meet and date a Taiwanese woman.
I personally find Taiwanese to be outgoing and sociable.