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HTML
The skeleton of every web page. Structure and meaning, not looks.
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Practice & quiz
MDN HTML Reference
1
HTML Foundations
1.1
What Is HTML and How Browsers Read It
8m
1.2
Document Boilerplate: DOCTYPE, html, head, body
10m
1.3
Headings and Paragraphs
7m
1.4
Text Formatting: strong, em, br, hr, small, mark
8m
2
Links, Images, and Media
2.1
Links: Anchor Tags, Relative vs Absolute, target
9m
2.2
Images: alt Text, src, width, height
8m
2.3
Audio and Video Elements
7m
2.4
Iframes: Embedding External Content
6m
3
Lists and Tables
3.1
Unordered and Ordered Lists
7m
3.2
Description Lists
6m
3.3
Tables: thead, tbody, th, td, colspan
11m
4
Forms and Inputs
4.1
Forms: action, method, and How Submission Works
9m
4.2
Input Types: text, email, password, number, date, checkbox, radio, file
12m
4.3
Labels, Fieldsets, and Legends
8m
4.4
Select, Textarea, and Buttons
8m
4.5
Built-in Form Validation Attributes
9m
5
Deeper Dives
5.1
Responsive Images with picture and srcset
9m
5.2
Advanced Tables: scope, colspan, rowspan, caption
11m
5.3
Advanced Forms: datalist, new input types, validation attributes
13m
5.4
Inline SVG Basics
10m
5.5
data-* Attributes and ARIA Roles
12m
6
Semantic HTML, Head, and Accessibility
6.1
Semantic Elements: header, nav, main, section, article, aside, footer
11m
6.2
div vs span: Block vs Inline
7m
6.3
The Head: title, meta, charset, viewport, SEO Basics
10m
6.4
Character Entities
5m
6.5
Accessibility Basics: alt, Labels, Heading Order, ARIA
12m
