doctype in HTML5 What is doctype in HTML5? Anil Singh 3:37 AM doctype in HTML5 Edit The doctype is not a HTML tag and Its provide the instruction to the web browsers about what version of HTML page is going to written(load). The <!doctype html> must be declare before the <html> tag and it's not case sensitive. The browser use this doctype information to render page correctly. The doctype not have the opening and closing tag like html. SHARES Share Pin it Tweet Share Share Share Buffer Print Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link.. My Tech Blog - https://www.code-sample.com/ My Books - Book 1 and Book 2 What is doctype in HTML5? Reviewed by Anil Singh on 3:37 AM Rating: 5