| <a> | Yes | Yes | Yes | Yes | Yes |
| download | 14.0 | 18.0 | 20.0 | 10.1 | 15.0 |
| href | Yes | Yes | Yes | Yes | Yes |
| hreflang | Yes | Yes | Yes | Yes | Yes |
| media | Yes | Yes | Yes | Yes | Yes |
| ping | Yes | No | Yes | No | Yes |
| referrerpolicy | 51.0 | 79.0 | 50.0 | 11.1 | 38.0 |
| rel | Yes | Yes | Yes | Yes | Yes |
| target | Yes | Yes | Yes | Yes | Yes |
| type | Yes | Yes | Yes | Yes | Yes |
| <abbr> | Yes | Yes | Yes | Yes | Yes |
| <address> | Yes | Yes | Yes | Yes | Yes |
| <area> | Yes | Yes | Yes | Yes | Yes |
| alt | Yes | Yes | Yes | Yes | Yes |
| coords | Yes | Yes | Yes | Yes | Yes |
| download | Yes | Yes | Yes | Yes | Yes |
| href | Yes | Yes | Yes | Yes | Yes |
| hreflang | Yes | Yes | Yes | Yes | Yes |
| media | Yes | Yes | Yes | Yes | Yes |
| referrerpolicy | 51.0 | 79.0 | 50.0 | 11.1 | 38.0 |
| rel | Yes | Yes | Yes | Yes | Yes |
| shape | Yes | Yes | Yes | Yes | Yes |
| target | Yes | Yes | Yes | Yes | Yes |
| type | Yes | Yes | Yes | Yes | Yes |
| <article> | 6.0 | 9.0 | 4.0 | 5.0 | 11.1 |
| <aside> | 6.0 | 9.0 | 4.0 | 5.0 | 11.1 |
| <audio> | 4.0 | 9.0 | 3.5 | 4.0 | 11.5 |
| autoplay | 4.0 | 9.0 | 3.5 | 4.0 | 11.5 |
| controls | 4.0 | 9.0 | 3.5 | 4.0 | 11.5 |
| loop | 4.0 | 9.0 | 3.5 | 4.0 | 11.5 |
| muted | 4.0 | 10.0 | 11.0 | 7.1 | 11.5 |
| preload | 4.0 | 9.0 | 4.0 | 4.0 | 11.5 |
| src | 4.0 | 9.0 | 3.5 | 4.0 | 11.5 |
| <b> | Yes | Yes | Yes | Yes | Yes |
| <base> | Yes | Yes | Yes | Yes | Yes |
| href | Yes | Yes | Yes | Yes | Yes |
| target | Yes | Yes | Yes | Yes | Yes |
| <bdi> | 16.0 | 79.0 | 10.0 | No | 15.0 |
| <bdo> | Yes | Yes | Yes | Yes | Yes |
| dir | Yes | Yes | Yes | Yes | Yes |
| <blockquote> | Yes | Yes | Yes | Yes | Yes |
| cite | Yes | Yes | Yes | Yes | Yes |
| <body> | Yes | Yes | Yes | Yes | Yes |
| <br> | Yes | Yes | Yes | Yes | Yes |
| <button> | Yes | Yes | Yes | Yes | Yes |
| autofocus | 5.0 | 10.0 | 4.0 | 5.0 | 9.6 |
| disabled | Yes | Yes | Yes | Yes | Yes |
| form | 10.0 | 16.0 | 4.0 | 5.1 | 9.5 |
| formaction | 9.0 | 10.0 | 4.0 | 5.1 | 15.0 |
| formenctype | 9.0 | 10.0 | 4.0 | 5.1 | 11.5 |
| formmethod | 9.0 | 10.0 | 4.0 | 5.1 | 15.0 |
| formnovalidate | 6.0 | 11.0 | 4.0 | Yes | Yes |
| formtarget | 9.0 | 10.0 | 4.0 | 5.1 | 10.6 |
| name | Yes | Yes | Yes | Yes | Yes |
| type | Yes | Yes | Yes | Yes | Yes |
| value | Yes | Yes | Yes | Yes | Yes |
| <canvas> | 4.0 | 9.0 | 2.0 | 3.1 | 9.0 |
| height | 4.0 | 9.0 | 2.0 | 3.1 | 9.0 |
| width | 4.0 | 9.0 | 2.0 | 3.1 | 9.0 |
| <caption> | Yes | Yes | Yes | Yes | Yes |
| <cite> | Yes | Yes | Yes | Yes | Yes |
| <code> | Yes | Yes | Yes | Yes | Yes |
| <col> | Yes | Yes | Yes | Yes | Yes |
| span | Yes | Yes | Yes | Yes | Yes |
| <colgroup> | Yes | Yes | Yes | Yes | Yes |
| span | Yes | Yes | Yes | Yes | Yes |
| <data> | 62.0 | 13.0 | 22.0 | No | 49.0 |
| value | 62.0 | 13.0 | 22.0 | No | 49.0 |
| <datalist> | 20.0 | 10.0 | 4.0 | 12.1 | 9.5 |
| <dd> | Yes | Yes | Yes | Yes | Yes |
| <del> | Yes | Yes | Yes | Yes | Yes |
| cite | Yes | Yes | Yes | Yes | Yes |
| datetime | Yes | Yes | Yes | Yes | Yes |
| <details> | 12.0 | 79.0 | 49.0 | 6.0 | 15.0 |
| open | 12.0 | 79.0 | 49.0 | 6.0 | 15.0 |
| <dfn> | Yes | Yes | Yes | Yes | Yes |
| <dialog> | 37.0 | 79.0 | 53.0* | No | 24.0 |
| open | 37.0 | 79.0 | 53.0* | No | 24.0 |
* Not supported by default, but can be enabled in about:config (set dom.dialog_element.enabled to true).
| <div> | Yes | Yes | Yes | Yes | Yes |
| <dl> | Yes | Yes | Yes | Yes | Yes |
| <dt> | Yes | Yes | Yes | Yes | Yes |
| <em> | Yes | Yes | Yes | Yes | Yes |
| <embed> | Yes | Yes | Yes | Yes | Yes |
| height | Yes | Yes | Yes | Yes | Yes |
| src | Yes | Yes | Yes | Yes | Yes |
| type | Yes | Yes | Yes | Yes | Yes |
| width | Yes | Yes | Yes | Yes | Yes |
| <fieldset> | Yes | Yes | Yes | Yes | Yes |
| disabled | Yes | Yes | Yes | 6.0 | Yes |
| form | Yes | Yes | Yes | Yes | Yes |
| name | Yes | 11.0 | Yes | Yes | Yes |
| <figcaption> | 8.0 | 9.0 | 4.0 | 5.1 | 11.0 |
| <figure> | 8.0 | 9.0 | 4.0 | 5.1 | 11.0 |
| <footer> | 5.0 | 9.0 | 4.0 | 5.0 | 11.1 |
| <form> | Yes | Yes | Yes | Yes | Yes |
| accept-charset |
