403(b) and 457(b) order to invest

My new employer offers a traditional/Roth 403(b) option in addition to a traditional 457(b) with no employer match for either. I’m wondering, between a Roth 403(b) and traditional 457(b) if there’s an order that I should fund these after I contribute the max to my Roth IRA. For example, if I were to contribute the max to one of these accounts and then a little bit to the other, which should I prioritize? I am not a high-income earner and I am 30 years old.

The 403(b) and 457(b) don’t have exactly the same investment options, but they both offer low-fee (0.015, 0.03 exp ratio) index funds that mimic the S&P 500.

Edit: My salary is $66,000/yr at this job and I also have a consistent per diem job that I anticipate making another $30k/yr before taxes. Not sure if this helps.