This document discusses CSS frameworks, categorizing them as full-fledged frameworks, grids-only frameworks, or custom frameworks. It lists popular frameworks like Bootstrap, Foundation, and HTML5 Boilerplate. Parameters for choosing a framework include browser support, performance, design similarity, and components available. The document recommends Foundation for most cases, praising its customizability, browser coverage, templates, and support for right-to-left languages. It concludes that the best framework depends on a project's priorities, and that no framework is sometimes preferable.