Learning and references
Exercism A platform for learning programming languages by solving small exercises. The process can include getting feedback from mentors. My favorite feature of the platform is that after solving an exercise you look at solutions submitted by other people.
CSS Tricks Almanac The second place I check when I have CSS questions.
Can I use... ? I check there which browsers support which modern web technologies.
CSS Triggers A reference for how mutating CSS properties impacts rendering of the page.
How to Meet WCAG A quick reference how to meet Web Content Accessibility Standards.
Accessibility Support I check there which browsers and screen readers support which web accessibility features.
Soft Skills Engineering A weekly advice podcast about non-technical issues. Suitable for all experience levels, informative, and funny.
Thinking Elixir A weekly podcast about the Elixir programming language.
Syntax A dive deep into web development topics with Wes Bos and Scott Tolinski, new episodes 3x a week.
Shop Talk Show A weekly podcast about building websites from Dave Rupert and Chris Coyier.
A Question of Code A beginner-friendly podcast about all the topics related to web development.
Articles and blog posts
CSSBattle A set of challenges to write HTML and CSS to replicate the given target image in the least code possible.
WebStorm My IDE of choice for web development.
Gifox 2 Records your screen straight into a gif (Mac).
WAVE by WAI Web accessibility evaluation tool, online or as a browser extension.
Rocket Validator Automated validation and accessibility checks for large websites.