| Element or Attribute | Supported |
|---|---|
| <abbr> title | No |
| <caption> | Yes |
| <fieldset> <legend> | No |
| <img> alt | Yes |
| <img> longdesc | No |
| <td> headers | No |
| <th> | Yes |
| <th> scope | No |
| lang attribute | Yes |
| title attribute | Yes, Focusable Elements & <img> |
| Element or Attribute | Supported |
|---|---|
| <article> | No |
| <aside> | Yes |
| <audio> | Yes |
| <canvas> | Yes (VO can't read text) |
| <details> <summary> | No |
| <dialog> | No |
| <figure> <figcaption> | No |
| <footer> | No |
| <header> | Yes |
| <input autofocus> | Yes |
| <input disabled> | Yes |
| <input min/max> | Yes on date |
| <input pattern> | Yes |
| <input placeholder> | Yes |
| <input required> | Yes |
| <input step> | No |
| <input type=color> | No |
| <input type=date> | Yes |
| <input type=datetime-local> | Yes |
| <input type=datetime> | No |
| <input type=email> | Yes |
| <input type=file> | Yes |
| <input type=month> | Yes |
| <input type=number> | Yes |
| <input type=range> | Yes |
| <input type=search> | Yes |
| <input type=tel> | Yes |
| <input type=time> | Yes |
| <input type=url> | Yes |
| <input type=week> | No |
| <main> | Yes |
| <mark> | No |
| <meter> | No |
| <nav> | No |
| <progress> | Yes (no role) |
| <section> | Yes as "Region" |
| <svg> | Yes (VO can read text) |
| <track> | Yes |
| <video> | Yes |
| Attribute | Supported |
|---|---|
| aria-describedby | Yes |
| aria-expanded | Yes |
| aria-haspopup | Yes |
| aria-hidden | Yes |
| aria-invalid | Yes |
| aria-label | Yes |
| aria-labelledby | Yes |
| aria-live=assertive | Yes |
| aria-pressed | Yes |
| aria-required | Yes |
| aria-selected | Yes |
| Landmarks | Yes Except role=form |
| role=alert | Yes |
| role=alertdialog | Yes |
| role=dialog | No |
| role=status | Yes |
| role=tab | Yes |