HTML Tutorial

Learn what HTML is, how it structures web pages, and how it works with CSS and JavaScript.

Learn the required pieces of a valid HTML page: doctype, html, head, and body.

Use heading levels and paragraphs to organize readable page content.

Learn how HTML comments work and how browsers treat spaces and blank lines.

Inspect real HTML with View Source and browser DevTools so you can learn from live pages.

Format text with strong, em, mark, and related inline elements for meaning and emphasis.

Create bullet lists and numbered lists with ul, ol, and li elements.

Connect pages and sections with anchor elements, href values, and link targets.

Add images with the img element, including src, alt, width, and height attributes.

Group images or media with captions using figure and figcaption.

Understand how block-level and inline elements flow differently on a page.

Learn why semantic elements make pages clearer for people, browsers, and assistive tools.

Build page landmarks with header, navigation, and main content regions.

Group thematic content with section and self-contained pieces with article.

Add complementary side content and footers with aside and footer elements.

Learn the right role for generic div and span containers after semantic options.

Learn what HTML forms are and how form, input, and submit pieces work together.

Explore useful input types such as text, email, password, number, checkbox, and radio.

Connect labels to controls correctly and choose the right button types for forms.

Collect longer text with textarea and choose options with select and option elements.

Control where form data goes and how it is sent with action, method, and related attributes.

Present tabular data with table, thead, tbody, tr, th, and td elements.

Set character encoding and mobile viewport so pages render correctly on modern devices.

Build a complete beginner profile page that combines structure, media, links, and a contact form.

Review the core HTML beginner skills and check that you can build a sound first page.

Embed audio and video with native HTML controls, multiple sources, captions, and practical playback attributes.

Embed maps, videos, and other documents with iframe, and learn title, sandbox, and loading practices.

Serve responsive images with srcset, sizes, and the picture element for art direction and format choice.

Add scalable vector graphics directly in HTML for icons and simple illustrations that stay crisp on any screen.

Add favicons, touch icons, and theme-related icon links so browsers and devices show your site identity clearly.

Learn why accessible HTML matters and the core ideas of perceivable, operable, understandable, and robust content.

Write alternative text that communicates image purpose, and know when empty alt is the correct choice.

Structure pages with landmark elements and use ARIA only when native HTML is not enough.

Make interactive HTML usable with the keyboard through natural focus order, focusable controls, and skip links.

Label controls clearly, associate errors with fields, and group related inputs so forms work with assistive tech.

Use required, type, min, max, minlength, maxlength, pattern, and related attributes for built-in form checks.

Group related form controls with fieldset and legend so radio sets and question groups are clear.

Offer autocomplete suggestions with datalist and collect numeric scales with range inputs.

Build file inputs with accept filters, multiple selection, and clear labels for upload forms.

Combine labels, fieldsets, validation, and autocomplete into real-world contact and checkout-style forms.

Build a clear heading hierarchy and section structure so pages are easier to scan and navigate.

Write titles, descriptions, language, and essential meta tags that help search and social understanding.

Add Open Graph and Twitter-style meta tags so shared links show the right title, description, and image.

Connect CSS and prepare critical assets with link rel stylesheet, preload, and related resource hints.

Understand default script loading versus async and defer so pages stay interactive without blocking rendering.

Build a complete blog article page with landmarks, headings, media, meta tags, and accessible structure.

Structure a marketing landing page with a focused hero region, feature sections, and an accessible signup form.

Review media, accessibility, forms, and document skills from the intermediate HTML path with a practical checklist.

Build accessible modals and lightboxes with the native HTML dialog element, showModal, and form method dialog.

Create disclosure widgets, FAQs, and progressive disclosure with native details and summary elements.

Use the HTML template element to hold inert markup you can clone into the page with JavaScript.

Learn the basics of custom elements: defining a class, registering a tag, lifecycle callbacks, and attributes.

Store custom data on elements with data-* attributes and read them safely from CSS and JavaScript.

Catch structural mistakes early with validators, doctype rules, and habits that keep markup maintainable.

Design HTML that works first as content and forms, then layer CSS and JavaScript as enhancements.

Write HTML with fewer XSS and injection risks: safe embedding, careful scripts, and CSP-friendly patterns.

Prepare pages for multiple languages with lang, dir, translate hints, and writing-system aware markup.

Structure pages so printing and PDF output stay readable: semantics, link clarity, and print CSS hooks.

Plan and mark up a small documentation site with navigation, article layout, code samples, and landmarks.

Mark up a personal portfolio with a strong hero region, project list, and contact path using semantic HTML.

Build an accessible multi-section checkout form with labels, autocomplete, validation attributes, and error messaging hooks.

Standardize breadcrumbs, cards-as-interactions, empty states, and other HTML patterns for a consistent design system.

Use a practical pre-launch checklist for document setup, semantics, forms, media, and resilience.

Connect advanced HTML to browser APIs: canvas, drag and drop, geolocation, storage, and more, from a markup-first view.

Choose a learning path after advanced HTML: CSS architecture, accessibility depth, JavaScript, frameworks, and content systems.