Documentation · ESSENTIAL
MDN Web Docs
A dependable reference for HTML, CSS, JavaScript and the browser APIs that bring them together.
developer.mozilla.org THE WEB, WELL BOOKMARKED
Fill your creative toolkit.
98 references, libraries and tools for designing, building and testing the web.
9 resources · External links open in a new tab. Some services require an account or paid plan.
Documentation · ESSENTIAL
MDN HTML reference
HTML elements, attributes, forms and document structure, with reference material and browser notes.
developer.mozilla.orgDocumentation · ESSENTIAL
MDN CSS reference
A comprehensive reference for CSS properties, selectors, layout, functions and modern styling features.
developer.mozilla.orgDocumentation · ESSENTIAL
MDN JavaScript reference
Learn JavaScript syntax and explore built-in objects, operators, functions and language behavior.
developer.mozilla.orgDocumentation
CSS-Tricks Almanac
A browseable collection of CSS concepts and examples to support your next experiment.
css-tricks.comDesign inspiration
Land-book
Browse website and landing-page references organized around visual design inspiration.
land-book.comAnimation
Easings
An illustrated reference to easing curves for choosing the character of a transition.
easings.netDocumentation
Open Graph protocol
The Open Graph protocol reference, including the basic metadata fields used by sharing platforms.
ogp.meJavaScript tools
RegExr
Explore regular expressions with interactive matching, examples and reference information.
regexr.com