Here are the standards for Instructions for External Resources (A9) and Optional Resources for Students (A10). These are two standards that often come up during Peer Online Course Reviews - take a look and see if there are items you could add to your online courses to make them even better!
https://sjdc.instructuremedia.com/embed/5f6e3c0e-7e37-427b-a4df-d54a93bc0950
https://sjdc.instructuremedia.com/embed/896decbd-b523-43e0-8b57-4640b58ec07d