index.md

---

title: HTML reference
slug: Web/HTML/Reference
page-type: landing-page

---

{{HTMLSidebar}}

This HTML reference describes all elements and attributes of HTML, including global attributes that apply to all elements.

• HTML element reference

  • : This page lists all the HTML elements, which are created using tags.

• HTML attribute reference

  • : Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want.

• Global attributes

  • : Global attributes are attributes common to all HTML elements; they can be used on all elements, though they may have no effect on some elements.

• Content categories

  • : Every HTML element is a member of one or more content categories — these categories group elements that share common characteristics.

• Date and time formats used in HTML

  • : Certain HTML elements allow you to specify dates and/or times as the value or as the value of an attribute. These include the date and time variations of the {{HTMLElement("input")}} element as well as the {{HTMLElement("ins")}} and {{HTMLElement("del")}} elements.