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HTML

The structure of the web. Semantic HTML, forms, and accessibility.

Why learn HTML?

  • The non-negotiable foundation of every web page and web app.

  • Semantic HTML gives accessibility and SEO almost for free.

  • Takes hours to start, a career to fully master.

  • Often the difference between a usable site and a broken one.

What you can build with HTML

Every website, web app, and email template Static landing pages Forms, search boxes, and interactive content

HTML tutorials

9 articles

Hand-written tutorials, ordered as a recommended learning path.

  1. 01 What is HTML? A clear, professional introduction to HTML — what it is, how browsers read it, why it is the foundation of every website, and how to write your first page.
  2. 02 Essential HTML Tags A practical tour of the HTML tags you will use daily — headings, paragraphs, links, lists, images, forms, and the semantic containers that structure a real page.
  3. 03 What is CSS? A clear introduction to CSS — what it is, how it connects to HTML, how selectors and the cascade work, and how to write your first stylesheet from scratch.
  4. 04 The Box Model Every element on a web page is a rectangular box. This guide explains the four layers of that box — content, padding, border, and margin — and the box-sizing fix that makes them sane.
  5. 05 Flexbox Basics Flexbox is the modern tool for one-dimensional layout. This guide covers the container and item properties you need to align, distribute, and wrap any row or column of elements.
  6. 06 Forms & Inputs Forms are how the web collects information. This guide covers every part of an HTML form — the form element, input types, labels, validation, and submission — so you can build forms users can actually use.
  7. 07 Semantic HTML Semantic HTML uses tags that describe what content is, not just how it looks. This guide explains the elements that make pages accessible, searchable, and easier to maintain.
  8. 08 Accessibility Basics A practical introduction to web accessibility — semantic landmarks, alt text, labels, focus management, keyboard navigation, contrast, and when to reach for ARIA.
  9. 09 Meta Tags & SEO A practical tour of the meta tags every page should ship — title, description, viewport, charset, Open Graph, Twitter cards, canonical, robots, and a gentle intro to JSON-LD.