HTML Element Reference
Tag Description
<!--...--> Defines a comment
<!DOCTYPE>  Defines the document type
<a> Defines a hyperlink
<abbr> Defines an abbreviation or an acronym
<address> Defines contact information for the author/owner of a document
<area> Defines an area inside an image map
<article> Defines an article
<aside> Defines content aside from the page content
<audio> Defines embedded sound content
<b> Defines bold text
<base> Specifies the base URL/target for all relative URLs 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
<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
<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 
<data> Adds a machine-readable translation of a given content
<del> Defines text that has been deleted from a document
<details> Defines additional details that the user can view or hide
<dfn> Specifies a term that is going to be defined within the content
<dialog> Defines a dialog box or window
<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 application
<figure> Specifies self-contained content
<footer> Defines a footer for a document or section
<form> Defines an HTML form for user input
<h1> to <h6> Defines HTML headings
<head> Contains metadata/information for 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
<label> Defines a label for an <input> element
<li> Defines a list item
<link> Defines the relationship between a document and an external resource (most used to link to style sheets)
<main> Specifies the main content of a document
<map> Defines an image map
<mark> Defines marked/highlighted text
<meta> Defines metadata about an HTML document
<nav> Defines navigation links
<object> Defines a container for an external application
<ol> Defines an ordered 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
<picture> Defines a container for multiple image resources
<pre> Defines preformatted text
<progress> Represents the progress of a task
<q> Defines a short quotation
<rt> Defines an explanation/pronunciation of characters (for East Asian typography)
<s> Defines text that is no longer correct
<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
<strong> Defines important text
<style> Defines style information for a document
<sub> Defines subscripted text
<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 specific time (or datetime)
<title> Defines a title for the document
<tr> Defines a row in a table
<u> Defines some text that is unarticulated and styled differently from normal text
<ul> Defines an unordered list
<video> Defines embedded video content