One of the most popular methods of UX optimization is A/B testing. Also called bucket tests or split-run testing, A/B testing is a controlled experiment with two variants, A and B. As the name implies, two versions are directly compared.

Sass is hands-down my favorite CSS pre-processor and it is commonly associated with writing a clean, reusable, and modular CSS. There are many SASS compiling tools available out there – paid as well as free to use. Personally, I have