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Topic pages bring together tutorials, projects, and learning paths without pretending that an empty library is already complete.

HTML and CSS

Structure pages with meaningful HTML, then shape their layout and presentation with CSS.

11 resourcesExplore HTML + CSS

JavaScript

Add behavior to web pages and learn the language that runs in every modern browser.

6 resourcesExplore JavaScript

TypeScript

Use JavaScript with a type system that catches mistakes and makes intent clearer.

4 resourcesExplore TypeScript

Astro

Build fast, content-focused websites with components and very little browser JavaScript.

2 resourcesExplore Astro

Linux and Ubuntu

You do not need to become a system administrator to use Linux well. Start with the part you need: safe installation, everyday desktop use, the terminal, software, permissions, or web-development tools.

35 resourcesExplore Linux + Ubuntu

Web Accessibility

Create websites more people can perceive, understand, navigate, and use.

5 resourcesExplore Accessibility

Web Performance

Understand the choices that help pages load quickly and stay responsive.

1 resourceExplore Performance

SEO Fundamentals

Help search engines discover, understand, and present useful web content.

1 resourceExplore SEO

Git and GitHub

Track changes, collaborate safely, and understand the workflow behind modern projects.

Planned — no empty link