From most to least desirable:
- Seated, full-time students at a school designed for full-time students
- Seated, part-time students at a school designed for full-time students
- Seated, at a school designed for part-time students
- Online
This differentiation applies less for a masters degree than for an associates or bachelors, and less for a doctorate than a masters.
Some subjects are most unsuitable for online, some much more suitable.
Yes, this is an opinion. Some people don't care how you got your degree. Some (the smartest, perhaps) don't care whether you have a degree, recognizing that having a degree doesn't mean you can actually do a job: they care whether you can do the job.