Cripchick has a great, thorough post up on how to ensure that your events are accessible to everyone. Here’s the list of topics she covers:

  • childcare
  • sliding pay scales
  • different ways of getting information out
  • gender-neutral bathrooms
  • food options
  • wheelchair and other mobility-related access
  • structured schedules and awareness of time
  • alternative formats
  • audio description
  • accessible language
  • understanding different learning styles
  • access to quiet space
  • commitment to being anti-oppression
  • trigger warnings
  • arrangements for carpools/room sharing
  • identities and experiences

There’s more in comments, too. Go read.