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HTML5 - Wikipedia
HTML - Wikipedia
HTML5: What's New in The Latest Version of HTML?
html5.org — HTML revisited
HTML Tutorial - W3Schools
Getting started with HTML - Learn web development | MDN
Introduction to HTML5 - Web developer guides | MDN
HTML: HyperText Markup Language | MDN - MDN Web Docs
HTML5 - Web developer guides | MDN
Structuring the web with HTML - Learn web development | MDN