Skip to content

109 Sandbox

A website made for testing

Markup: Obsolete elements

The following elements are “entirely obsolete” in HTML5 “and must not be used by authors”: https://www.w3.org/TR/html5/obsolete.html

<acronym>

Use <abbr> instead.

<big>

These tests are a big deal.

<del>

This element lets you strike out text. It is no longer supported in HTML5. Use <strike> instead.