Lots of intersting information about SQLite.
Extensive performance tests comparing js frameworks.
MDN guide to CSS Box Model.
Block/inline boxes.
Alternative box model (box-sizing: border-box).
Webpack plugin for web-ext.
MDN Guide to browser extensions.
MDN guide to web storage API.
MDN guide to Web Components.
An explanations of the differences between Web Components and React.
Styling input pseudo elements.