CSSOCSS 优化工具

CSSO (CSS Optimizer) 是一个 CSS 最小化压缩工具，不仅对 CSS 做压缩还对 CSS 进行结构分析，生成更小的文件。

安全转换：

• Removal of whitespace


• Removal of trailing ;


• Removal of comments


• Removal of invalid @charset и @import declarations


• Minification of color properties


• Minification of 0


• Minification of multi-line strings


• Minification of the font-weight property

结构优化：

• Merging blocks with identical selectors


• Merging blocks with identical properties


• Removal of overridden properties


• Removal of overridden shorthand properties


• Removal of repeating selectors


• Partial merging of blocks


• Partial splitting of blocks


• Removal of empty ruleset and at-rule


• Minification of margin and padding properties