References
HTML reference
Structure accessible web pages.
HTML Elements
Structure a document with semantic tags.
HTML Forms
Collect input with labelled form controls.
HTML Lists and Tables
Mark up lists and tabular data with the right elements.
HTML Links and Images
Connect pages and show pictures with alternative text.
HTML Semantic Page Layout
Describe the regions of a page with header, nav, main, article, aside, and footer.
HTML Accessibility Basics
Make pages usable with keyboards and screen readers through labels, alt text, and landmarks.
HTML Document Head and Metadata
Set the character encoding, viewport, title, description, and stylesheet for a page.
HTML Responsive Images and Media
Offer different image files for different screens and embed video with a fallback.
HTML Forms: GET versus POST
See what each form method sends over HTTP and when to use it.
HTML Safe Links, Embeds, and Content Security Policy
Limit what linked and embedded content can do with rel, sandbox, and a content security policy.