#Performance

CSS Custom Properties: A Practical Approach to Theming

Sass variables are compiled away at build time. CSS custom properties live in the browser, cascade like any other property, and can be changed at runtime. That difference matters more than most developers realise.

Five Django ORM Patterns That Slow Your Pages Down

Slow Django pages are almost always a database problem, not a server problem. These five ORM patterns show up in nearly every codebase I've worked on, and each one is straightforward to fix.