Click in the links below or scroll down to learn more about what each of these resources has to offer.
AO3 Podfic Posting Helper:
A step-by-step guide by Shmaylor on how to post your podfic to AO3.
AO3's guide to posting a work.
Dead link. If anyone has an updated one, please send to Ravin.
A video tutorial by minnapods showing how to post a podfic on AO3.
A guide by godoflaundrybaskets on tagging your podfics.
Information from AO3 on embedding audio and video into your works.
A guide by godoflaundrybaskets on how to use the <audio> tag on AO3.
An extensive reference guide for HTML.
About the <audio> tag.