HTML5 tags syntax
| HTML5 element | Elements Correct Syntax | Start tag | End tag | Observations | Demo | |
|---|---|---|---|---|---|---|
| !DOCTYPE | : | <!DOCTYPE html> <!DOCTYPE HTML> <!doctype html> <!doctype HTML> | required | - | case-insensitive | video |
| a | : | <a> ... </a> | required | required | - | video |
| abbr | : | <abbr> ... </abbr> | required | required | - | video |
| address | : | <address> ... </address> | required | required | - | video |
| area | : | <area> | required | - | void element | video |
| article | : | <article> ... </article> | required | required | - | video |
| aside | : | <aside> ... </aside> | required | required | - | example |
| audio | : | <audio> ... </audio> | required | required | - | |
| b | : | <b> ... </b> | required | required | - | video |
| base | : | <base> | required | - | void element | video |
| bdi | : | <bdi> ... </bdi> | required | required | - | video |
| bdo | : | <bdo> ... </bdo> | required | required | - | video |
| blockquote | : | <blockquote> ... </blockquote> | required | required | - | video |
| body | : | <body> ... </body> <body> ... ... <⁄body ... | may be omitted IF... | may be omitted IF... | IF... (conditions) | examples |
| br | : | <br> | required | - | void element | video |
| button | : | <button> ... </button> | required | required | - | |
| canvas | : | <canvas> ... </canvas> | required | required | - | |
| caption | : | <caption> ... </caption> | required | required | - | video |
| cite | : | <cite> ... </cite> | required | required | - | video |
| code | : | <code> ... </code> | required | required | - | video |
| col | : | <col> | required | - | void element | video |
| colgroup | : | <colgroup> ... </colgroup> <colgroup> ... ... <⁄colgroup ... | may be omitted IF... | may be omitted IF... | IF... (conditions) | video |
| data | : | <data> ... </data> | required | required | - | video |
| datalist | : | <datalist> ... </datalist> | required | required | - | video |
| dd | : | <dd> ... </dd> <dd> ... | required | may be omitted IF... | IF... (conditions) | video |
| del | : | <del> ... </del> | required | required | - | video |
| details | : | <details> ... </details> | required | required | - | video |
| dfn | : | <dfn> ... </dfn> | required | required | - | video |
| dialog | : | <dialog> ... </dialog> | required | required | - | |
| div | : | <div> ... </div> | required | required | - | video |
| dl | : | <dl> ... </dl> | required | required | - | video |
| dt | : | <dt> ... </dt> <dt> ... | required | may be omitted IF... | IF... (conditions) | video |
| em | : | <em> ... </em> | required | required | - | video |
| embed | : | <embed> | required | - | void element | |
| fieldset | : | <fieldset> | required | - | void element | |
| figcaption | : | <figcaption> ... </figcaption> | required | required | - | video |
| figure | : | <figure> ... </figure> | required | required | - | video |
| footer | : | <footer> ... </footer> | required | required | - | video |
| form | : | <form> ... </form> | required | required | - | |
| h1..h6 | : | <h1> ... </h1> <h2> ... </h2> <h3> ... </h3> <h4> ... </h4> <h5> ... </h5> <h6> ... </h6> | required | required | - | video |
| head | : | <head> ... </head> <head> ... ... <⁄head ... | may be omitted IF... | may be omitted IF... | IF... (conditions) | examples |
| header | : | <header> ... </header> | required | required | - | video |
| hgroup | : | <hgroup> ... </hgroup> | required | required | - | video |
| hr | : | <hr> | required | - | void element | video |
| html | : | <html> ... </html> <html> ... ... <⁄html ... | may be omitted IF... | may be omitted IF... | IF... (conditions) | video |
| i | : | <i> ... </i> | required | required | - | video |
| iframe | : | <iframe> ... </iframe> | required | required | - | video |
| img | : | <img> | required | - | void element | video |
| input | : | <input> | required | - | void element | |
| ins | : | <ins> ... </ins> | required | required | - | video |
| kbd | : | <kbd> ... </kbd> | required | required | - | video |
| keygen | : | <keygen> | required | - | void element | |
| label | : | <label> ... </label> | required | required | - | |
| legend | : | <legend> ... </legend> | required | required | - | |
| li | : | <li> ... </li> <li> ... | required | may be omitted IF... | IF... (conditions) | video |
| link | : | <link> | required | - | void element | example |
| main | : | <main> ... </main> | required | required | - | video |
| map | : | <map> ... </map> | required | required | - | video |
| mark | : | <mark> ... </mark> | required | required | - | video |
| menu | : | <menu> ... </menu> | required | required | - | video |
| menuitem | : | <menuitem> | required | - | void element | video |
| meta | : | <meta> | required | - | void element | video |
| meter | : | <meter> ... </meter> | required | required | - | video |
| nav | : | <nav> ... </nav> | required | required | - | video |
| noscript | : | <noscript> ... </noscript> | required | required | - | |
| object | : | <object> ... </object> | required | required | - | |
| ol | : | <ol> ... </ol> | required | required | - | video |
| optgroup | : | <optgroup> ... </optgroup> <optgroup> ... | required | may be omitted IF... | IF... (conditions) | video |
| option | : | <option> ... </option> <option> ... | required | may be omitted IF... | IF... (conditions) | video |
| output | : | <output> ... </output> | required | required | - | |
| p | : | <p> ... </p> <p> ... | required | may be omitted IF... | IF... (conditions) | video |
| param | : | <param> | required | - | void element | |
| pre | : | <pre> ... </pre> | required | required | - | video |
| progress | : | <progress> ... </progress> | required | required | - | video |
| q | : | <q> ... </q> | required | required | - | video |
| rp | : | <rp> ... </rp> <rp> ... | required | may be omitted IF... | IF... (conditions) | examples |
| rt | : | <rt> ... </rt> <rp> ... | required | may be omitted IF... | IF... (conditions) | video |
| ruby | : | <ruby> ... </ruby> | required | required | - | video |
| s | : | <s> ... </s> | required | required | - | video |
| samp | : | <samp> ... </samp> | required | required | - | video |
| script | : | <script> ... </script> | required | required | - | |
| section | : | <section> ... </section> | required | required | - | video |
| select | : | <select> ... </select> | required | required | - | video |
| small | : | <small> ... </small> | required | required | - | video |
| source | : | <source> | required | - | void element | |
| span | : | <span> ... </span> | required | required | - | video |
| strong | : | <strong> ... </strong> | required | required | - | video |
| style | : | <style> ... </style> | required | required | - | video |
| sub | : | <sub> ... </sub> | required | required | - | video |
| summary | : | <summary> ... </summary> | required | required | - | video |
| sup | : | <sup> ... </sup> | required | required | - | video |
| table | : | <table> ... </table> | required | required | - | video |
| tbody | : | <tbody> ... </tbody> <tbody> ... ... <⁄tbody ... | may be omitted IF... | may be omitted IF... | IF... (conditions) | video |
| td | : | <td> ... </td> <td> ... | required | may be omitted IF... | IF... (conditions) | video |
| textarea | : | <textarea> ... </textarea> | required | required | - | |
| tfoot | : | <tfoot> ... </tfoot> <tfoot> ... | required | may be omitted IF... | IF... (conditions) | video |
| th | : | <th> ... </th> <th> ... | required | may be omitted IF... | IF... (conditions) | video |
| thead | : | <thead> ... </thead> <thead> ... | required | may be omitted IF... | IF... (conditions) | video |
| time | : | <time> ... </time> | required | required | - | video |
| title | : | <title> ... </title> | required | required | - | example |
| tr | : | <tr> ... </tr> <tr> ... | required | may be omitted IF... | IF... (conditions) | video |
| track | : | <track> | required | - | void element | |
| u | : | <u> ... </u> | required | required | - | video |
| ul | : | <ul> ... </ul> | required | required | - | video |
| var | : | <var> ... </var> | required | required | - | video |
| video | : | <video> ... </video> | required | required | - | |
| wbr | : | <wbr> | required | - | void element | video |
| <!-- --> | : | <!-- --> | required | - | - | example |