Optional tags – HTML


title: Optional Tags

HTML5 Optional Tags

In HTML5, you can omit certain opening and closing tags under specific conditions. For example, the following HTML code…

<!DOCTYPE html> <p>Hello World.

Will automatically evaluate to…

<!DOCTYPE html> <html> <head></head> <body> <p>Hello world. </p> </body> </html>

The optional tag specifications for the most common HTML5 tags are as follows:

  • An html element’s start tag may be omitted if the first thing inside the html element is not a comment.
  • An html element’s end tag may be omitted if the html element is not immediately followed by a comment.
  • A head element’s start tag may be omitted if the element is empty, or if the first thing inside the head element is an element.
  • A head element’s end tag may be omitted if the head element is not immediately followed by a space character or a comment.
  • A body element’s start tag may be omitted if the element is empty, or if the first thing inside the body element is not a space character or a comment, except if the first thing inside the body element is a meta, link, script, style, or template element.
  • A body element’s end tag may be omitted if the body element is not immediately followed by a comment.

More Information

To learn more about the HTML5 optional tags, please visit The World Wide Web Consortium’s Recommendations.

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