Getting started with HTML - Learn web development | MDN
https://developer.mozilla.org/en-US/docs/Learn/HTML/Introduction_to_HTML/Getting_started
Jan 1, 2024 · Note: Tags in HTML are not case-sensitive. This means they can be written in uppercase or lowercase. For example, a <title> tag could be written as <title>, <TITLE>, <Title>, <TiTlE>, etc., and it will work. However, it is best practice to write all tags in lowercase for consistency and readability. Anatomy of an HTML element.
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