When comparing Pleeease vs CSS-Crush, the Slant community recommends Pleeease for most people. In the question“What are the best CSS preprocessors/postprocessors?” Pleeease is ranked 12th while CSS-Crush is ranked 14th. The most important reason people chose Pleeease is:
preprocess CSS (experimental) adds prefixes, based on Autoprefixer provides fallbacks for rem unit, CSS3 pseudo-elements notation adds opacity filter for IE8 converts CSS shorthand filters to SVG equivalent packs same media-query in one @media rule inlines @import styles minifies the result generates sourcemaps from pre- to postprocessors
Ranked in these QuestionsQuestion Ranking
Pros
Pro All-in-one post processor
preprocess CSS (experimental)
adds prefixes, based on Autoprefixer
provides fallbacks for rem unit, CSS3 pseudo-elements notation
adds opacity filter for IE8
converts CSS shorthand filters to SVG equivalent
packs same media-query in one @media rule
inlines @import styles
minifies the result
generates sourcemaps from pre- to postprocessors
Pro Combines media queries into single rules
If you have repeated media queries in your stylesheet, Pleeease will pack them into a single media query when compiled.
Pro Rem fallback
Rem unites are not supported in IE8 and below, so Pleeease provides a pixel fallback.
Pro Uses Autoprefixer
Pleeease uses Autoprefixer to add vendor prefixes based on which browsers you want to support (prefixes are added based on information from caniuse.com.
Pro Out of the box vendor prefixing
Rather than require a plugin, CSS-Crush will automatically add vendor prefixes.
Pro Implemented in PHP
PHP is used in common platforms such as Drupal and Wordpress, which results in CSS-Crush being easy to integrate with most development stacks.
Cons
Con Not very popular
Pleeease is not very popular. This may make finding guides, tutorials or resources outside the official ones difficult.
Con Not widely used
CSS-Crush is not a widely used option. The small community of users results in a harder time finding answers to any questions you may have.