HTML doctype declaration - W3Schools
Definition and Usage All HTML documents must start with a <!DOCTYPE> declaration. The declaration is not an HTML tag. It is an "information" to the browser about what document type to expect. In …
What is the meaning of DOCTYPE in HTML - GeeksforGeeks
Jul 23, 2025 · The HTML document type declaration or Doctype is an instruction used by web browsers to fetch what version of HTML the website is written in. It helps browsers in understanding how the …
What is the DOCTYPE Declaration in HTML? - freeCodeCamp.org
Dec 29, 2019 · The HTML document type declaration, also known as DOCTYPE, is the first line of code required in every HTML or XHTML document. The DOCTYPE declaration is an instruction to the web …
HTML Doctype: Syntax, Usage, and Examples - mimo.org
The HTML doctype is a declaration that tells the browser what version of HTML to expect in the document. It appears at the very top of an HTML file and affects how the browser renders your page.
Doctype - Glossary | MDN
Jul 11, 2025 · In HTML, the doctype is the required <!doctype html> preamble found at the top of all documents.
Understanding HTML Doctype: Definition, Examples
What is HTML Doctype? The HTML Doctype declaration (<!DOCTYPE>) is an instruction to the web browser about the version of HTML being used in the document. It ensures that the browser renders …
HTML Document Type Declaration - W3Schools
HTML Doctype Declaration refers to a Document Type Definition (DTD). A DTD refers to an XML document format representing allowed elements in a web page. Every HTML document requires a …
Syntax of HTML5 Doctype Declaration - Tutorial Republic
The doctype declaration is usually the very first thing defined in an HTML document (even before the opening <html> tag); however the doctype declaration itself is not an HTML tag. The DOCTYPE for …
What is DOCTYPE in HTML? Explained with Examples - Intellipaat
Oct 29, 2025 · Learn the purpose of the doctype in HTML, why it’s used, syntax, usage examples, common mistakes, and how it helps browsers correctly render your web pages.
What is DOCTYPE html? Definition and examples - IONOS
Aug 30, 2022 · What is DOCTYPE html used for? The goal of DOCTYPE html is to provide programmers and browsers with information at first glance of the Document Type Definition (DTD) …