Learning

Easing Wizard

Easing curves, more elegant interface. The website does a great job of combining code and visualization, balancing professionalism and accessibility.

State of CSS

The annual developer survey about the latest trends in CSS.

Web.dev

A platform meticulously crafted by the Google Chrome team to help developers improve the quality and performance of their web applications. It is not just a tutorial website, but a comprehensive platform integrating testing tools, resources, and communities, aiming to make web development more efficient and valuable.