Name: tessl/npm-clean-css
Rating: 0.93 (1 reviews)
Author: tessl

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tessl/npm-clean-css

A well-tested CSS minifier providing fast and efficient CSS optimization and minification.

1.17x

Quality

Pending

Does it follow best practices?

Impact

93%

1.17x

Average score across 10 eval scenarios

Securityby

Pending

The risk profile of this skill

Overview

Eval results

Files

Evaluation results

100%

52%

CSS Minifier with Source Map Support

Remote source map fetching

Criteria

Without context

With context

CleanCSS instantiation

100%

Source map enabled

100%

Remote inlining enabled

100%

Minify method call

53%

100%

Async handling

50%

100%

Source map extraction

100%

Error handling

100%

85%

CSS Font Weight Normalizer

Font-weight optimization

Criteria

Without context

With context

Uses CleanCSS constructor

100%

Calls minify method

100%

Enables Level 1 optimizations

Extracts output correctly

100%

Handles string input

100%

Returns processed CSS

100%

90%

40%

CSS Minification Report Generator

Minification statistics tracking

Criteria

Without context

With context

CleanCSS instantiation

100%

minify() method usage

100%

Stats access

100%

originalSize extraction

minifiedSize extraction

100%

timeTaken extraction

100%

Efficiency calculation

100%

Result structure

100%

CSS Selector Optimizer

Selector sorting method selection

Criteria

Without context

With context

CleanCSS instantiation

100%

Level 1 configuration

100%

selectorsSortingMethod usage

100%

Sorted mode implementation

100%

Unsorted mode implementation

100%

minify method usage

100%

80%

-20%

CSS Module Bundler

Hash/object input with named sources

Criteria

Without context

With context

Hash input format

100%

33%

CleanCSS instantiation

100%

minify() invocation

100%

Error handling

100%

Statistics extraction

100%

Output styles

100%

CSS Validator

Invalid property detection

Criteria

Without context

With context

CleanCSS instantiation

100%

minify method usage

100%

warnings extraction

100%

invalid property filtering

100%

return format

100%

65%

CSS Bundle Builder

Local @import inlining

Criteria

Without context

With context

Uses clean-css minify

100%

Passes file paths

100%

Enables inline option

100%

Handles output structure

100%

Prevents duplicate imports

100%

CSS Selector Optimizer

nth-child/nth-of-type shortcut replacement

Criteria

Without context

With context

CleanCSS import/require

100%

CleanCSS instantiation

100%

Level 1 configuration

100%

minify() method usage

100%

Extract minified output

100%

Return optimized CSS

100%

70%

CSS Border Radius Normalizer

Border-radius optimization

Criteria

Without context

With context

CleanCSS instantiation

100%

minify() method usage

100%

Level 1 optimization

Output extraction

100%

Return value

100%

Proper configuration

100%

CSS Asset Path Normalizer

Cross-platform path normalization

Criteria

Without context

With context

CleanCSS instantiation

100%

URL rebasing enabled

100%

Target directory configuration

100%

CSS minification invocation

100%

Source path handling

100%

Output extraction

100%

Evaluated: 2 months ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

CSS Minifier with Source Map Support CSS Font Weight Normalizer CSS Minification Report Generator CSS Selector Optimizer CSS Module Bundler CSS Validator CSS Bundle Builder CSS Selector Optimizer CSS Border Radius Normalizer CSS Asset Path Normalizer