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Compare minification with brotli instead of gzip

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This commit is contained in:
Gaël Métais
2020-12-22 00:00:44 +01:00
parent 6b58b72028
commit 8f06ceaedd
3 changed files with 78 additions and 23 deletions
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lib/metadata/policies.js
+3 -3
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@@ -770,7 +770,7 @@ var policies = {
"imageOptimization": {
"tool": "redownload",
"label": "Image optimization",
"message": "<p>This metric measures the number of bytes that could be saved by optimizing images.</p><p>Image optimization is generally one of the easiest way to reduce a page weight, and as a result, the page load time. Don't use Photoshop or other image editing tools, they're not very good for optimization. Use specialized tools such as <a href=\"https://kraken.io/\" target=\"_blank\">Kraken.io</a> or the excellent <a href=\"https://imageoptim.com/\" target=\"_blank\">ImageOptim</a> on Mac. For SVG images, you can use <a href=\"https://jakearchibald.github.io/svgomg/\" target=\"_blank\">SVGOMG</a></p><p>The tools in use in YellowLabTools are not set to their maximum optimization power (JPEG quality 85), so you might be able to compress even more!</p>",
"message": "<p>This metric measures the number of bytes that could be saved by optimizing images.</p><p>Image optimization is generally one of the easiest way to reduce a page weight, and as a result, the page load time. Don't use Photoshop or other image editing tools, they're not very good for optimization. Use specialized tools such as <a href=\"https://kraken.io/\" target=\"_blank\">Kraken.io</a> or the excellent <a href=\"https://imageoptim.com/\" target=\"_blank\">ImageOptim</a> on Mac. For SVG images, you can use <a href=\"https://jakearchibald.github.io/svgomg/\" target=\"_blank\">SVGOMG</a>.</p><p>The tools in use in YellowLabTools are not set to their maximum optimization power (JPEG quality 85), so you might be able to compress even more!</p>",
"isOkThreshold": 20480,
"isBadThreshold": 204800,
"isAbnormalThreshold": 307200,
@@ -788,8 +788,8 @@ var policies = {
},
"compression": {
"tool": "redownload",
"label": "Gzip/Brotli compression",
"message": "<p>Measures the number of bytes that could be saved by compressing textual files.</p><p>Gzip is a good old weight reducer. But Brotli is a new-generation compression tool and it gives better results. All major server systems are now compatible with Brotli.</p><p>Note that compressing small files (< 1 KB) is arguable, and that some assets such as images should not be gzipped as they are already compressed. <a href=\"https://gist.github.com/gmetais/971ce13a1fbeebd88445\" target=\"_blank\">Here</a> is a list of Content-Types that should be compressed.</p>",
"label": "Brotli compression",
"message": "<p>Measures the number of bytes that could be saved by compressing textual files.</p><p>Gzip is a good old algorithm that offers great improvements. But Brotli is a new-generation algorithm and provides even better results. All major server systems are now compatible with Brotli.</p><p>Note that compressing small files (< 1 KB) is arguable, and that some assets such as images should not be gzipped as they are already compressed. <a href=\"https://gist.github.com/gmetais/971ce13a1fbeebd88445\" target=\"_blank\">Here</a> is a list of Content-Types that should be compressed.</p>",
"isOkThreshold": 20480,
"isBadThreshold": 204800,
"isAbnormalThreshold": 409600,