CSSO
CSS minifier that cleans, compresses and restructures stylesheets, with a scoped mode for CSS modules.
css.github.io/csso/csso.htmlrepository
CSSO is a CSS minifier that cleans, compresses and restructures stylesheets. It is installed from npm, and its bundles can also be loaded into a web page. The optimizer is based on CSSTree, a parser that turns CSS into a syntax tree.
Usage data is an optional input. When a project supplies it, the optimizer can merge rules across scopes that never appear together on one page.
Identity
Rendering and deploy
Releases
Adoption
Sources
- 2026-10-28: links
css.github.io/csso/csso.html - 2026-10-28: links, Written in, License, GitHub stars
api.github.com/repos/css/csso - 2026-10-28: Maintainer, License model
raw.githubusercontent.com/css/csso/master/LICENSE - 2026-10-28: Categories, Runs as, Install with
raw.githubusercontent.com/css/csso/master/README.md - 2026-10-28: Runtime, Minimum runtime
raw.githubusercontent.com/css/csso/v5.0.5/package.json - 2026-10-28: First release
registry.npmjs.org/csso - 2026-10-28: Current major version, Last release
api.github.com/repos/css/csso/releases - 2026-10-28: Contributors
api.github.com/repos/css/csso/contributors?per_page=1 - 2026-10-28: npm downloads a week
api.npmjs.org/downloads/range/2026-09-28:2026-10-04/csso - 2026-10-28: Dependent packages, Dependent repositories
packages.ecosyste.ms/api/v1/registries/npmjs.org/packages/csso