| Tag | HTML4 | HTML5 | Description |
|---|---|---|---|
| <!DOCTYPE> | Defines the document type | ||
| <a> | Defines a hyperlink | ||
| <abbr> | Defines an abbreviation | ||
| <acronym> | Not supported in HTML5. Defines an acronym | ||
| <address> | Defines contact information for the author/owner of a document | ||
| <applet> | Not supported in HTML5. Deprecated in HTML 4.01. Defines an embedded applet | ||
| <area> | Defines an area inside an image-map | ||
| <article> | Defines an article | ||
| <aside> | Defines content aside from the page content | ||
| <audio> | Defines sound content | ||
| <b> | Defines bold text | ||
| <base> | Specifies the base URL/target for all relative URLs in a document | ||
| <basefont> | Not supported in HTML5. Deprecated in HTML 4.01. Specifies a default color, size, and font for all text in a document | ||
| <bdi> | Isolates a part of text that might be formatted in a different direction from other text outside it | ||
| <bdo> | Overrides the current text direction | ||
| <big> | Not supported in HTML5. Defines big text | ||
| <blockquote> | Defines a section that is quoted from another source | ||
| <body> | Defines the document’s body | ||
| <br> | Defines a single line break | ||
| <button> | Defines a clickable button | ||
| <canvas> | Used to draw graphics, on the fly, via scripting (usually JavaScript) | ||
| <caption> | Defines a table caption | ||
| <center> | Not supported in HTML5. Deprecated in HTML 4.01. Defines centered text | ||
| <cite> | Defines the title of a work | ||
| <code> | Defines a piece of computer code | ||
| <col> | Specifies column properties for each column within a <colgroup> element | ||
| <colgroup> | Specifies a group of one or more columns in a table for formatting | ||
| <command> | Defines a command button that a user can invoke | ||
| <datalist> | Specifies a list of pre-defined options for input controls | ||
| <dd> | Defines a description/value of a term in a description list | ||
| <del> | Defines text that has been deleted from a document | ||
| <details> | Defines additional details that the user can view or hide | ||
| <dfn> | Defines a definition term | ||
| <dialog> | Defines a dialog box or window | ||
| <dir> | Not supported in HTML5. Deprecated in HTML 4.01. Defines a directory list | ||
| <div> | Defines a section in a document | ||
| <dl> | Defines a description list | ||
| <dt> | Defines a term/name in a description list | ||
| <em> | Defines emphasized text | ||
| <embed> | Defines a container for an external (non-HTML) application | ||
| <fieldset> | Groups related elements in a form | ||
| <figcaption> | Defines a caption for a <figure> element | ||
| <figure> | Specifies self-contained content | ||
| <font> | Not supported in HTML5. Deprecated in HTML 4.01. Defines font, color, and size for text | ||
| <footer> | Defines a footer for a document or section | ||
| <form> | Defines an HTML form for user input | ||
| <frame> | Not supported in HTML5. Defines a window (a frame) in a frameset | ||
| <frameset> | Not supported in HTML5. Defines a set of frames | ||
| <h1> to <h6> | Defines HTML headings | ||
| <head> | Defines information about the document | ||
| <header> | Defines a header for a document or section | ||
| <hr> | Defines a thematic change in the content | ||
| <html> | Defines the root of an HTML document | ||
| <i> | Defines a part of text in an alternate voice or mood | ||
| <iframe> | Defines an inline frame | ||
| <img> | Defines an image | ||
| <input> | Defines an input control | ||
| <ins> | Defines a text that has been inserted into a document | ||
| <kbd> | Defines keyboard input | ||
| <keygen> | Defines a key-pair generator field (for forms) | ||
| <label> | Defines a label for an <input> element | ||
| <legend> | Defines a caption for a <fieldset> element | ||
| <li> | Defines a list item | ||
| <link> | Defines the relationship between a document and an external resource (most used to link to style sheets) | ||
| <map> | Defines a client-side image-map | ||
| <mark> | Defines marked/highlighted text | ||
| <menu> | Defines a list/menu of commands | ||
| <meta> | Defines metadata about an HTML document | ||
| <meter> | Defines a scalar measurement within a known range (a gauge) | ||
| <nav> | Defines navigation links | ||
| <noframes> | Not supported in HTML5. Defines an alternate content for users that do not support frames | ||
| <noscript> | Defines an alternate content for users that do not support client-side scripts | ||
| <object> | Defines an embedded object | ||
| <ol> | Defines an ordered list | ||
| <optgroup> | Defines a group of related options in a drop-down list | ||
| <option> | Defines an option in a drop-down list | ||
| <output> | Defines the result of a calculation | ||
| <p> | Defines a paragraph | ||
| <param> | Defines a parameter for an object | ||
| <pre> | Defines preformatted text | ||
| <progress> | Represents the progress of a task | ||
| <q> | Defines a short quotation | ||
| <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) | ||
| <s> | Defines text that is no longer correct | ||
| <samp> | Defines sample output from a computer program | ||
| <script> | Defines a client-side script | ||
| <section> | Defines a section in a document | ||
| <select> | Defines a drop-down list | ||
| <small> | Defines smaller text | ||
| <source> | Defines multiple media resources for media elements (<video> and <audio>) | ||
| <span> | Defines a section in a document | ||
| <strike> | Not supported in HTML5. Deprecated in HTML 4.01. Defines strikethrough text | ||
| <strong> | Defines important text | ||
| <style> | Defines style information for a document | ||
| <sub> | Defines subscripted text | ||
| <summary> | Defines a visible heading for a <details> element | ||
| <sup> | Defines superscripted text | ||
| <table> | Defines a table | ||
| <tbody> | Groups the body content in a table | ||
| <td> | Defines a cell in a table | ||
| <textarea> | Defines a multiline input control (text area) | ||
| <tfoot> | Groups the footer content in a table | ||
| <th> | Defines a header cell in a table | ||
| <thead> | Groups the header content in a table | ||
| <time> | Defines a date/time | ||
| <title> | Defines a title for the document | ||
| <tr> | Defines a row in a table | ||
| <track> | Defines text tracks for media elements (<video> and <audio>) | ||
| <tt> | Not supported in HTML5. Defines teletype text | ||
| <u> | Defines text that should be stylistically different from normal text | ||
| <ul> | Defines an unordered list | ||
| <var> | Defines a variable | ||
| <video> | Defines a video or movie | ||
| <wbr> | Defines a possible line-break |







