The anchor element
Create crawlable, keyboard-accessible links with meaningful destination text, valid URLs, and safe external-link behavior.
Open resourcePractical reference
HTML elements in real pages
Concise definitions followed by tested context, accessibility consequences, and common misuse.
HTML form elements
Collect user input with form, label, input, textarea, select, button, fieldset, and legend while preserving clear relationships.
Open resourceHTML heading elements
Use h1 through h6 to name sections and expose a logical content hierarchy instead of selecting headings by default size.
Open resourceThe HTML root element
Use the html element as the document root and declare the page language so browsers and assistive technology interpret content correctly.
Open resourceThe img element
Embed an image with a purposeful text alternative, intrinsic dimensions, responsive source behavior, and controlled loading.
Open resourceHTML landmark elements
Use header, nav, main, aside, and footer to expose meaningful page regions and reserve section and article for structured content.
Open resourceThe ul, ol, and li elements
Represent unordered groups and meaningful sequences with list items that preserve count, order, and nesting relationships.
Open resourceThe meta element
Add document metadata such as encoding, viewport behavior, and descriptions without treating metadata as a ranking guarantee.
Open resourceHTML table elements
Represent comparable data with table, caption, row groups, header cells, data cells, and explicit header relationships.
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