Metadata in HTML: the <meta> Element
HTML Tips and Tricks
The HTML <head> Element
<figure> and <figcaption> for Images
<details> and <summary> to Show/Hide Content
HTML Computer Code Elements
Hypertext Transfer Protocol (HTTP) for Transmitting Web Pages
Styling with CSS (Cascading Style Sheets
JavaScript: a Programming Language for the Web
From Web 1.0 to the Semantic Web
The Semantic Web
Computer Science
[...]