Developer-Guide/standards/html.md

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Html

All html has to be html 5 compliant.

Omitted closing tags

The following closing tags SHOULD be omitted:

  • </li>
  • </option>
  • </tr>
  • </td>
  • </th>
  • </thead>
  • </tbody>
  • </tfoot>
  • </head>
  • </body>
  • </html>

The following tags MUST not specify a end tag (\):

  • <br \>
  • <meta \>
  • <input \>
  • <hr \>
  • <img \>
  • <link \>
  • <source \>
  • <embed \>

Accessible Rich Internet Applications

All modules and themes SHOULD be WAI-ARIA 2.0 compliant. For further reading please refere to https://www.w3.org/TR/WCAG20-TECHS/aria.

Structured Data (Microdata)

For structured data https://schema.org/ SHOULD be used.