Features of your font you had no idea about

The web's clipboard, and how it stores data of different types

A set of codepens that cover different kind of goey menus

Vertical-Align: All You Need To Know

Mediocre Engineer’s guide to HTTPS

SVG Viewer — View, edit, and optimize SVGs

Kobold Letters — Why HTML emails are a risk to your organization

phlex — Phlex is a Ruby gem for building fast object-oriented HTML and SVG components.

Designing Beautiful Shadows in CSS

Less Absolute Positioning With Modern CSS

The World of CSS Transforms

siteinspire is a showcase of the finest web and interactive design.

Daily design Inspirations

CSSline is a showcase gallery of excellent sites

godly provides good web design inspiration from all over the internet. (mostly very "active" and bouncy stuff)

MSEdgeRedirect — A (Windows) Tool to Redirect News, Search, Widgets, Weather and More to Your Default Browser (like when you Ctrl+Esc and enter a random search term). Mandatory.

Slide to unlock (mobile)

A web component for drawing patterns with CSS