Removed Elements

The following HTML 4.01 elements has been removed from HTML5:













New Semantic/Structural Elements

HTML5 offers new elements for better structure:
Tag Description

<mark> Defines marked or highlighted text

<menuitem> Defines a command/menu item that the user can invoke from a popup menu

<meter> Defines a scalar measurement within a known range (a gauge)

<nav> Defines navigation links in the document

<dialog> Defines a dialog box or window

<figcaption> Defines a caption for a <figure> element

<figure> Defines self-contained content, like illustrations, diagrams, photos, code listings, etc.

<footer> Defines a footer for the document or a section

<header> Defines a header for the document or a section

<main> Defines the main content of a document

<time> Defines a date/time

<wbr> Defines a possible line-break

<progress> Defines the progress of a task

<rp> Defines what to show in browsers that do not support ruby annotations

<rt> Defines an explanation/pronunciation of characters (for East Asian typography)

<ruby> Defines a ruby annotation (for East Asian typography)

<section> Defines a section in the document

<summary> Defines a visible heading for a <details> element

<article> Defines an article in the document

<aside> Defines content aside from the page content

<bdi> Defines a part of text that might be formatted in a different direction from other text outside it

<details> Defines additional details that the user can view or hide

HTML5 Audio Tags
Tag Description

<audio> Defines sound content

<source> Defines multiple media resources for media elements, such as <video> and <audio>

Media Types for Audio Formats

Ogg audio/ogg

Wav audio/wavFile Format Media Type

MP3 audio/mpeg

New Media Elements

Tag Description
<audio> Defines sound or music content

<embed> Defines containers for external applications (like plug-ins)

<source> Defines sources for <video> and <audio>

<track> Defines tracks for <video> and <audio>

<video> Defines video or movie content

New elements introduced in html5