Learning

HTML tutorials "and stuff". Everything HTML, CSS, and JavaScript, the most common languages used in making web pages.

Rewrite React from scratch. Step by step. Following the architecture from the real React code but without all the optimizations and non-essential features.

Do you dare to discover the horrors that await! Test your RegEX skills with this challenging game.

Web browsers are ubiquitous, but how do they work? This book explains, building a basic but complete web browser, from networking to JavaScript, in a thousand...

Improve your programming skills while having fun and building up profiles for recruitment.

An open source game about learning Git! Oh My Git! is an open source game that introduces players to the popular version control system "Git". It is highly...

Do you think you know CSS? Here’s a game to test your knowledge!

Check if a chosen HTML tag can be nested inside another HTML tag according to the spec.

CUBE CSS is a CSS methodology that’s orientated towards simplicity, pragmatism and consistency. It’s designed to work with the medium that you’re working...

cheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for...

A fun spin practicing regex. Build your skills by playing Regex Crossword.

In this Eleventy (opens new window)course, we go from a completely empty directory to a full-blown marketing site for a design agency, and along the way, we...

Learn CSS Grid with Wes Bos in 25 "pretty good" videos. From fundamentals to real world in about 4 hours.

A free online lecture course by Scott Jehl. Learn to analyze site performance, fix issues, monitor for regressions, and deliver fast, responsive designs from...

Collection of common CSS mistakes, and how to fix them.

101 UI Checklist items available as a free Notion template.

"Learn Git Branching" is the most visual and interactive way to learn Git on the web; you'll be challenged with exciting levels, given step-by-step...

Design Vault is a curated library of screenshots & interaction patterns from the world's best digital products. Gain insights, explore trends and understand...

Can't Unsee is a test of your attention to detail in UI design. Choose the "correct" version with an eye for pixel perfection. How high can you score?

RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).

A podcast on Python and related technologies. Learn python from start to finish.

Handy cheat sheets for a huge array of web technologies.

Friendly web development tutorials for complete beginners.

Handy guide to every HTML element there is. Replace your divs with more semantic markup.

Enter a JavaScript operator to learn more about it.

JavaScript Utilities in single line of code, no more!

A simple visual cheat sheet for Flexbox.

A curated collection of common interview questions to help you prepare for your next interview.

Dead tired of looking up Flexbox? Flexbox is incredibly powerful. But it's also crazy hard to learn well. So we all end up depending on a cheat sheet and some...

A valuable (and fun!) interactive challenge to help learn CSS selectors.

Learn to code — for free. Build projects. Earn certifications.

Handy cheat sheet for writing CSS with Sass.

Modern CSS solutions for old CSS problems by Stephanie Eckles.

A collection of the best design practices compiled in to handy checklists.

Web development learning roadmap with resource links.

Free Jamstack courses from Netlify.

Development blog focusing on React, animation, CSS and JavaScript. Great learning resource with interactive articles.

Beginner-friendly community blogging platform.

Landing page inspiration gallery.

A collection of real websites to recreate for practice with hints and tips.

A digitally remastered book first published in 1962 on the design of forms in the UK Government.

Launch your next web project with complete confidence!

An interactive map of screen sizes for responsive and adaptive design.

Learn to code by playing games.

Open source software is made by people just like you. Learn how to launch and grow your project.

Easily generate fake data for populating your mockups and testing your applications.

Welcome to Flexbox Froggy, a game where you help Froggy and friends by writing CSS code!

Welcome to Grid Garden, where you write CSS code to grow your carrot garden! Water only the areas that have carrots by using the grid-column-start property.

You can set the numbers, and units of your columns and rows, and I'll generate a CSS grid for you! Drag within the boxes to create divs placed within the grid.

These days CSS-Tricks is really about building websites and all that entails, mostly from a front-end perspective. We have staff writers (see below) and loads...

Mozilla Developer Network. Resources for developers, by developers.

How it's done now. From the basics to advanced topics with simple, but detailed explanations.

Automated code review for Git.

Challenges are fun opportunities for leveling up your skills by building things. Each week, you’ll get a new prompt surrounding a monthly theme to riff on....

Daily UI is a series of daily design challenges design inspiration and neat surprise rewards.

Archetype lets designers like you very quickly and easily create consistent typography styling and spacing live, in the browser. These styles are all...

A pocket guide to master every day’s typographic adventures.

A community-driven effort to make web accessibility easier.

Test your website with simulated vision impairments.

Making work accessible creates a better experience across the board. Use this checklist to help build accessibility into your process no matter your role or...

Build 30 things in 30 days using vanilla JavaScript with this free course from Wes Bos. Designed for beginner to Intermediate developers and designers who want...

PHP: The Right Way is an easy-to-read, quick reference for PHP popular coding standards, links to authoritative tutorials around the web and what the...