• Alex Russell's post Platform Adjacency Theory
• VoiceOver rotor utility
• Use semantic HTML to improve screen reader experiences
• Forms - use onsubmit with a form to get nice keyboard handling and screen reader accessibility
• datetime-local <input> tags
• MDN docs for sending form data
• HTMHell (examples of non-standard HTML from the wild and why it matters)
• Dillon's Use the Platform blog post