Learn how to structure grouped and sequential information in HTML using ordered lists, unordered lists, and description lists — with nesting rules, styling hooks, and accessibility notes.
Learn how to add images to a web page the right way: the img tag, why alt text matters, captioning with figure/figcaption, and making images responsive with srcset and picture.
Lesson 3 of the HTML course: the anchor element in full depth — absolute vs relative URLs, linking within a page, opening links safely in new tabs, mailto/tel links, and writing accessible link text.
Lesson 2 of the HTML course: the full heading hierarchy, paragraphs, and every commonly used text-level element — strong, em, mark, blockquote, code, abbr, and more — with accessibility and SEO reasoning for each.
Learn how to validate forms using nothing but HTML5 attributes and the Constraint Validation API — faster, more accessible, and far less code than a validation library.
