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postcss · Jul 6, 2023 · a8f3836 · a8f3836
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diff --git a/README.md b/README.md
@@ -2,7 +2,7 @@
 
 Various benchmarks to have feedback about [PostCSS] perfomance.
 
-All results below was run on Node 19.2.0, GitHub Actions:
+All results below was run on Node 20.3.1, Github Actions:
 
 [PostCSS]: https://github.com/postcss/postcss
 
@@ -12,13 +12,13 @@ All results below was run on Node 19.2.0, GitHub Actions:
 Compare [CSS processors] for parsings, nested rules, mixins, variables and math:
 
 ```
-PostCSS sync:   74 ms  (1.1 times faster)
-PostCSS:        78 ms
-LibSass sync:   110 ms (1.4 times slower)
-LibSass:        112 ms (1.4 times slower)
-Less:           140 ms (1.8 times slower)
-Dart Sass sync: 197 ms (2.5 times slower)
-Dart Sass:      376 ms (4.8 times slower)
+PostCSS sync:   70 ms  (1.0 times faster)
+PostCSS:        72 ms
+LibSass sync:   118 ms (1.6 times slower)
+LibSass:        123 ms (1.7 times slower)
+Less:           139 ms (1.9 times slower)
+Dart Sass sync: 219 ms (3.0 times slower)
+Dart Sass:      397 ms (5.5 times slower)
 ```
 
 To get results on your environment:
@@ -36,16 +36,16 @@ pnpm test preprocessors
 Compare [CSS parsers] written on JS:
 
 ```
-Stylis:       14 ms  (2.3 times faster)
-CSSOM:        22 ms  (1.5 times faster)
-CSSTree:      31 ms  (1.1 times faster)
-PostCSS:      33 ms
-Mensch:       33 ms  (1.0 times slower)
-Rework:       51 ms  (1.5 times slower)
-Stylecow:     66 ms  (2.0 times slower)
-PostCSS Full: 93 ms  (2.8 times slower)
-ParserLib:    141 ms (4.2 times slower)
-Gonzales:     159 ms (4.8 times slower)
+Stylis:       15 ms  (1.8 times faster)
+CSSOM:        24 ms  (1.2 times faster)
+PostCSS:      28 ms
+CSSTree:      37 ms  (1.3 times slower)
+Mensch:       37 ms  (1.3 times slower)
+Rework:       49 ms  (1.8 times slower)
+Stylecow:     73 ms  (2.6 times slower)
+PostCSS Full: 95 ms  (3.4 times slower)
+ParserLib:    153 ms (5.5 times slower)
+Gonzales:     177 ms (6.4 times slower)
 ```
 
 To get results on your environment:
@@ -63,10 +63,10 @@ pnpm test parsers
 Compare [vendor prefixes tools]:
 
 ```
-Lightning CSS: 13 ms   (9.0 times faster)
-Stylis:        21 ms   (5.8 times faster)
-Autoprefixer:  120 ms
-Stylecow:      1061 ms (8.9 times slower)
+Lightning CSS: 12 ms   (7.7 times faster)
+Stylis:        18 ms   (5.3 times faster)
+Autoprefixer:  96 ms
+Stylecow:      1009 ms (10.5 times slower)
 ```
 
 To get results on your environment:

diff --git a/linters.js b/linters.js
@@ -1,6 +1,6 @@
-/* Results on Node 19.9.0, GitHub Actions:
+/* Results on Node 20.3.1, Github Actions:
 
-PostCSS: 826 ms
+PostCSS: 577 ms
 */
 
 let { existsSync, readFileSync } = require('fs')

diff --git a/parsers.js b/parsers.js
@@ -1,15 +1,15 @@
-/* Results on Node 19.9.0, GitHub Actions:
+/* Results on Node 20.3.1, Github Actions:
 
-Stylis:       14 ms  (2.3 times faster)
-CSSOM:        25 ms  (1.3 times faster)
-CSSTree:      32 ms  (1.0 times faster)
-PostCSS:      33 ms
-Mensch:       34 ms  (1.0 times slower)
-Rework:       52 ms  (1.6 times slower)
-Stylecow:     75 ms  (2.3 times slower)
-PostCSS Full: 98 ms  (3.0 times slower)
-Gonzales:     159 ms (4.8 times slower)
-ParserLib:    161 ms (4.9 times slower)
+Stylis:       15 ms  (1.8 times faster)
+CSSOM:        24 ms  (1.2 times faster)
+PostCSS:      28 ms
+CSSTree:      37 ms  (1.3 times slower)
+Mensch:       37 ms  (1.3 times slower)
+Rework:       49 ms  (1.8 times slower)
+Stylecow:     73 ms  (2.6 times slower)
+PostCSS Full: 95 ms  (3.4 times slower)
+ParserLib:    153 ms (5.5 times slower)
+Gonzales:     177 ms (6.4 times slower)
 */
 
 let { existsSync, readFileSync } = require('fs')

diff --git a/prefixers.js b/prefixers.js
@@ -1,9 +1,9 @@
-/* Results on Node 19.9.0, GitHub Actions:
+/* Results on Node 20.3.1, Github Actions:
 
-Lightning CSS: 15 ms   (6.9 times faster)
-Stylis:        17 ms   (5.8 times faster)
-Autoprefixer:  101 ms
-Stylecow:      1032 ms (10.2 times slower)
+Lightning CSS: 12 ms   (7.7 times faster)
+Stylis:        18 ms   (5.3 times faster)
+Autoprefixer:  96 ms
+Stylecow:      1009 ms (10.5 times slower)
 */
 
 let { existsSync, readFileSync } = require('fs')

diff --git a/preprocessors.js b/preprocessors.js
@@ -1,12 +1,12 @@
-/* Results on Node 19.9.0, GitHub Actions:
+/* Results on Node 20.3.1, Github Actions:
 
-PostCSS sync:   76 ms  (1.0 times faster)
-PostCSS:        79 ms
-LibSass sync:   123 ms (1.6 times slower)
-LibSass:        124 ms (1.6 times slower)
-Less:           150 ms (1.9 times slower)
-Dart Sass sync: 199 ms (2.5 times slower)
-Dart Sass:      372 ms (4.7 times slower)
+PostCSS sync:   70 ms  (1.0 times faster)
+PostCSS:        72 ms
+LibSass sync:   118 ms (1.6 times slower)
+LibSass:        123 ms (1.7 times slower)
+Less:           139 ms (1.9 times slower)
+Dart Sass sync: 219 ms (3.0 times slower)
+Dart Sass:      397 ms (5.5 times slower)
 */
 
 let { existsSync, readFileSync, writeFileSync } = require('fs')

diff --git a/tokenizers.js b/tokenizers.js
@@ -1,6 +1,6 @@
-/* Results on Node 19.9.0, GitHub Actions:
+/* Results on Node 20.3.1, Github Actions:
 
-PostCSS: 9 ms
+PostCSS: 11 ms
 */
 
 let { existsSync, readFileSync } = require('fs')