What is the Doctype declaration? - Wiredelta
Multiline HTML comments not displaying properly in Firefox. Anyone know how to fix this? : r/webdev
Does new Chromium-based Edge have shorter vertical height than Chrome? Header half disappears in Edge, but is fine with Chrome? - Stack Overflow
Entry #7 by ElVox for Find the jQuery/JavaScript Bug - $50 Bounty Challenge for a Guru | Freelancer
What Does the HTML DOCTYPE Declaration Do?
HTML Standard
What Beautiful HTML Code Looks Like | CSS-Tricks - CSS-Tricks
HTML small Tag - javatpoint
HTML1527: DOCTYPE expected. The shortest valid doctype is "<!DOCTYPE html>" - Stack Overflow
An HTML element you don't want to omit. – zParacha.com
HTML 5.2: 8. The HTML syntax
Which doctype should you use in HTML emails? — HTeuMeuLeu.com
Why? : HTML DOCTYPE (<!DOCTYPE html>) | by Phani Kumar | Medium
DD-WRT Forum :: View topic - YAMon 3.0... Usage Reporting by device per hr/day/mo
js-knight-shortest-path/index.html at master · orrsteinberg/js-knight- shortest-path · GitHub
Which doctype should you use in HTML emails? | by Rémi Parmentier | emails by HTeuMeuLeu | Medium
![javascript - HTML1527: DOCTYPE expected. The shortest valid doctype is "<!DOCTYPE html>" -](https://lh6.googleusercontent.com/proxy/BpseyG5W1BAmkLa6YgZ0hpF3rNw-aGC2XmeptPtrKxNtsHkiKH8Nxsnkg-NHG1sSnLVbWWEk9A=w1200-h630-p-k-no-nu "javascript - HTML1527: DOCTYPE expected. The shortest valid doctype is "<!DOCTYPE html>" -")
javascript - HTML1527: DOCTYPE expected. The shortest valid doctype is "<!DOCTYPE html>" -
What is HTML? - Web development basics
Importance of Semantic HTML in Modern Web Development
Why is this "invalid calling object" error? - Stack Overflow
HTML Doctypes - A Complete Guide - EcomSpark
Learn HTML in 5 minutes
HTML DOCTYPE Declaration
The Differences Between HTML and HTML5 – An Overview
How To Declare Doctype via HTML for Your Website? - GeoRanker
Getting started with HTML - Learn web development | MDN
