{"id":3687,"date":"2026-11-01T10:03:48","date_gmt":"2026-11-01T01:03:48","guid":{"rendered":"https:\/\/qol-kk.com\/wp2\/?p=3687"},"modified":"2026-11-01T10:03:48","modified_gmt":"2026-11-01T01:03:48","slug":"20261024-00mvllul","status":"publish","type":"post","link":"https:\/\/qol-kk.com\/wp2\/blog\/2026\/11\/01\/20261024-00mvllul\/","title":{"rendered":"webpack\u306e\u753b\u50cf\u6700\u9069\u5316\uff1aimage-minimizer-webpack-plugin\u3067\u914d\u4fe1\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3059\u308b"},"content":{"rendered":"

\u6982\u8981<\/h2>\n

\u753b\u50cf\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u8ee2\u9001\u91cf\u306e\u5927\u534a\u3092\u5360\u3081\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30d3\u30eb\u30c9\u6642\u306b\u5727\u7e2e\u3092\u304b\u3051\u308b\u3060\u3051\u3067\u914d\u4fe1\u30b5\u30a4\u30ba\u3092\u5927\u304d\u304f\u6e1b\u3089\u305b\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f webpack 5 \u3067 image-minimizer-webpack-plugin<\/code>\uff08\u5185\u90e8\u3067 sharp \/ imagemin \u3092\u5229\u7528\uff09\u3092\u4f7f\u3044\u3001\u30d3\u30eb\u30c9\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u753b\u50cf\u6700\u9069\u5316\u3092\u7d44\u307f\u8fbc\u3080\u624b\u9806\u3092\u30cf\u30f3\u30ba\u30aa\u30f3\u5f62\u5f0f\u3067\u307e\u3068\u3081\u307e\u3059\u3002\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff08WebP \/ AVIF\uff09\u306e\u751f\u6210\u307e\u3067\u6271\u3044\u307e\u3059\u3002<\/p>\n

> \u306f\u3058\u3081\u306b\uff08\u91cd\u8981\uff09<\/strong>: image-minimizer-webpack-plugin<\/code> \u306f\u73fe\u5728 deprecated<\/strong> \u3068\u306a\u308a\u3001\u30ea\u30dd\u30b8\u30c8\u30ea\u306f\u30a2\u30fc\u30ab\u30a4\u30d6\uff08\u8aad\u307f\u53d6\u308a\u5c02\u7528\uff09\u306b\u79fb\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u958b\u767a\u306f\u5f8c\u7d99\u306e minimizer-webpack-plugin<\/code> \u306b\u5f15\u304d\u7d99\u304c\u308c\u3001\u3053\u3061\u3089\u306f\u753b\u50cf\u3060\u3051\u3067\u306a\u304f JS \/ CSS \/ HTML \/ JSON \u30821\u3064\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u6700\u9069\u5316\u30fb\u751f\u6210\u3067\u304d\u307e\u3059\u3002\u65e2\u5b58\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f 5.x \u306e\u307e\u307e\u7d99\u7d9a\u5229\u7528\u3067\u304d\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u306f\u7d99\u7d9a\u3001\u305f\u3060\u3057\u65b0\u6a5f\u80fd\u306f\u5f8c\u7d99\u5074\u306e\u307f\uff09\u3001\u65b0\u898f\u306b\u5c0e\u5165\u3059\u308b\u306a\u3089\u5f8c\u7d99\u306e minimizer-webpack-plugin<\/code> \u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044<\/strong>\u3002\u30df\u30cb\u30d5\u30a1\u30a4\/\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u540d\uff08imageminMinify<\/code> \/ sharpMinify<\/code> \u306a\u3069\uff09\u3084 optimization.minimizer<\/code> \u3078\u306e\u7d44\u307f\u8fbc\u307f\u65b9\u306f\u5f8c\u7d99\u3067\u3082\u307b\u307c\u540c\u3058\u8003\u3048\u65b9\u306a\u306e\u3067\u3001\u672c\u8a18\u4e8b\u306e\u8a2d\u8a08\u30fb\u6e2c\u5b9a\u306e\u8003\u3048\u65b9\u306f\u305d\u306e\u307e\u307e\u5fdc\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u74b0\u5883<\/h2>\n
    \n
  • Node.js 20 \u4ee5\u964d\uff08\u57f7\u7b46\u6642\u70b9\u306e Active LTS \u306f 24\uff09<\/li>\n
  • webpack 5.x<\/li>\n
  • image-minimizer-webpack-plugin<\/code> 5.x \u7cfb<\/li>\n<\/ul>\n

    > image-minimizer-webpack-plugin<\/code> \u306f v4 \u3067\u6700\u4f4e Node.js 18.12\u3001v5 \u3067\u6700\u4f4e Node.js 20.9 \u306b\u5f15\u304d\u4e0a\u3052\u3089\u308c\u307e\u3057\u305f\u3002Node 18 \u306f\u3059\u3067\u306b EOL \u306e\u305f\u3081\u30015.x \u3092\u4f7f\u3046\u5834\u5408\u306f Node 20 \u4ee5\u4e0a\uff08\u3067\u304d\u308c\u3070 LTS \u306e 24\uff09\u3092\u7528\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 > > \u306a\u304a\u3001\u53e4\u3044\u8a18\u4e8b\u3067\u306f imagemin-webpack-plugin<\/code>\uff08EngineHub \u88fd\uff09\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001webpack 5 \u3067\u306f\u516c\u5f0f\u30e1\u30f3\u30c6\u306e image-minimizer-webpack-plugin<\/code>\uff08\u304a\u3088\u3073\u305d\u306e\u5f8c\u7d99\uff09\u3092\u4f7f\u3046\u306e\u304c\u73fe\u5728\u306e\u63a8\u5968\u3067\u3059\u3002\u672c\u8a18\u4e8b\u306f\u3053\u3061\u3089\u3092\u524d\u63d0\u306b\u3057\u307e\u3059\u3002<\/p>\n

    \u767a\u751f\u3057\u305f\u554f\u984c<\/h2>\n

    \u30d3\u30eb\u30c9\u5f8c\u306e dist\/<\/code> \u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u753b\u50cf\u304c\u6700\u9069\u5316\u3055\u308c\u306a\u3044\u307e\u307e\u51fa\u529b\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

      \n
    • \u30c7\u30b6\u30a4\u30f3\u30c4\u30fc\u30eb\u304b\u3089\u66f8\u304d\u51fa\u3057\u305f PNG \u304c\u305d\u306e\u307e\u307e\u540c\u68b1\u3055\u308c\u30011\u679a\u3067\u6570\u767e KB<\/li>\n
    • JPEG \u306e\u54c1\u8cea\u304c 100 \u306e\u307e\u307e\u3067\u3001\u8996\u899a\u7684\u306b\u306f\u307b\u307c\u5dee\u304c\u306a\u3044\u306e\u306b\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044<\/li>\n
    • \u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff08WebP \/ AVIF\uff09\u3092\u4e00\u5207\u914d\u4fe1\u3057\u3066\u304a\u3089\u305a\u3001\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u6069\u6075\u3092\u53d7\u3051\u3089\u308c\u306a\u3044<\/li>\n<\/ul>\n

      \u7d50\u679c\u3068\u3057\u3066\u521d\u56de\u8868\u793a\u306e\u8ee2\u9001\u91cf\u304c\u81a8\u3089\u307f\u3001LCP\uff08Largest Contentful Paint\uff09\u304c\u60aa\u5316\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

      \u539f\u56e0<\/h2>\n

      webpack \u306f Asset Modules\uff08asset\/resource<\/code> \u306a\u3069\uff09\u3067\u753b\u50cf\u3092\u51fa\u529b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3060\u3051\u3067\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5727\u7e2e\u3092\u884c\u3044\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u300c\u30bd\u30fc\u30b9\u306e\u753b\u50cf\u30b5\u30a4\u30ba = \u914d\u4fe1\u30b5\u30a4\u30ba\u300d\u306b\u306a\u308a\u307e\u3059\u3002\u6700\u9069\u5316\u3092\u52b9\u304b\u305b\u308b\u306b\u306f\u3001\u753b\u50cf\u3092 Asset Modules \u3067\u6271\u3063\u305f\u3046\u3048\u3067\u3001\u30df\u30cb\u30d5\u30a1\u30a4\u51e6\u7406\u3092\u660e\u793a\u7684\u306b\u631f\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

      \u5bfe\u5fdc\u65b9\u6cd5<\/h2>\n

      \u65b9\u91dd\u306f\u6b21\u306e3\u6bb5\u968e\u3067\u3059\u3002<\/p>\n

        \n
      1. \u753b\u50cf\u3092 Asset Modules\uff08asset<\/code> \/ asset\/resource<\/code>\uff09\u3067\u8aad\u307f\u8fbc\u3080<\/li>\n
      2. image-minimizer-webpack-plugin<\/code> \u3067\u672c\u756a\u30d3\u30eb\u30c9\u6642\u306b\u5727\u7e2e\u3059\u308b<\/li>\n
      3. \u5fc5\u8981\u306b\u5fdc\u3058\u3066 WebP \/ AVIF \u3092\u8ffd\u52a0\u751f\u6210\u3059\u308b<\/li>\n<\/ol>\n

        \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u9078\u629e\u80a2\u306f2\u901a\u308a\u3067\u3059\u3002\u65b0\u898f\u5c0e\u5165\u306a\u3089\u3001\u30e1\u30f3\u30c6\u72b6\u6cc1\u30fbApple Silicon \u3092\u542b\u3080\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5bfe\u5fdc\u306e\u89b3\u70b9\u304b\u3089 sharp \u30d9\u30fc\u30b9\u3092\u7b2c\u4e00\u5019\u88dc\u306b\u3059\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/strong> sharp \u306f JPEG \/ PNG \/ WebP \/ AVIF \/ GIF \u3092\u6271\u3048\u307e\u3059\uff08SVG \u306f\u6271\u3048\u306a\u3044\u305f\u3081\u3001SVG \u3092\u6700\u9069\u5316\u3057\u305f\u3044\u5834\u5408\u306e\u307f imagemin-svgo<\/code> \u3092\u4f75\u7528\u3057\u307e\u3059\uff09\u3002<\/p>\n

        # \u65b0\u898f\u5c0e\u5165\u5411\u3051\uff08\u63a8\u5968\uff09: sharp \u30d9\u30fc\u30b9\nnpm i -D image-minimizer-webpack-plugin sharp\n# SVG \u3082\u6700\u9069\u5316\u3059\u308b\u5834\u5408\u306e\u307f\u8ffd\u52a0\nnpm i -D imagemin imagemin-svgo<\/pre>\n
        \u65e2\u5b58\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067 imagemin \u69cb\u6210\u3092\u5f15\u304d\u7d99\u3050\u5834\u5408\u306f\u3001\u5f93\u6765\u3069\u304a\u308a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3054\u3068\u306b\u500b\u5225\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5165\u308c\u307e\u3059\u3002<\/p>\n
        # \u5f93\u6765\u8cc7\u7523\u5411\u3051: imagemin \u30d9\u30fc\u30b9\nnpm i -D image-minimizer-webpack-plugin \\\n  imagemin \\\n  imagemin-mozjpeg \\\n  imagemin-pngquant \\\n  imagemin-gifsicle \\\n  imagemin-svgo<\/pre>\n
        \u5b9f\u88c5\u4f8b<\/h2>\n
        1. Asset Modules \u3067\u753b\u50cf\u3092\u6271\u3046<\/h3>\n
        \/\/ webpack.config.js\nmodule.exports = {\n  module: {\n    rules: [\n      {\n        test: \/\\.(png|jpe?g|gif|svg)$\/i,\n        type: \"asset\", \/\/ 8KB\u672a\u6e80\u306f\u30a4\u30f3\u30e9\u30a4\u30f3\u3001\u305d\u308c\u4ee5\u4e0a\u306f\u30d5\u30a1\u30a4\u30eb\u51fa\u529b\n        parser: {\n          dataUrlCondition: { maxSize: 8 * 1024 },\n        },\n        generator: {\n          filename: \"images\/[name].[hash:8][ext]\",\n        },\n      },\n    ],\n  },\n};<\/pre>\n
        2. \u753b\u50cf\u3092\u5727\u7e2e\u3059\u308b\uff08\u672c\u756a\u306e\u307f\uff09<\/h3>\n
        ImageMinimizerPlugin<\/code> \u3092 optimization.minimizer<\/code> \u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002minimizer \u306b\u7f6e\u304f\u3053\u3068\u3067\u3001JS \u306e minify \u3068\u540c\u3058\u6700\u9069\u5316\u30d5\u30a7\u30fc\u30ba\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u7d44\u307f\u8fbc\u307f\u65b9\uff08\"...\"<\/code> \u306e\u30b9\u30d7\u30ec\u30c3\u30c9\uff0bminimizer<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u306f 5.x \u3067\u3082\u5909\u308f\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n
        \u65b0\u898f\u5c0e\u5165\u5411\u3051\uff08sharp \u30d9\u30fc\u30b9\u30fb\u63a8\u5968\uff09<\/strong><\/p>\n
        \/\/ webpack.config.js\nconst ImageMinimizerPlugin = require(\"image-minimizer-webpack-plugin\");\nconst isProduction = process.env.NODE_ENV === \"production\";\n\nmodule.exports = {\n  mode: isProduction ? \"production\" : \"development\",\n  module: {\n    rules: [\n      {\n        test: \/\\.(png|jpe?g|gif|svg)$\/i,\n        type: \"asset\",\n        parser: { dataUrlCondition: { maxSize: 8 * 1024 } },\n        generator: { filename: \"images\/[name].[hash:8][ext]\" },\n      },\n    ],\n  },\n  optimization: {\n    minimizer: isProduction\n      ? [\n          \"...\", \/\/ JS minifier(terser)\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u30b9\u30d7\u30ec\u30c3\u30c9\n          new ImageMinimizerPlugin({\n            minimizer: {\n              implementation: ImageMinimizerPlugin.sharpMinify,\n              options: {\n                encodeOptions: {\n                  jpeg: { quality: 80, progressive: true },\n                  png: { quality: 80 },\n                  webp: { quality: 80 },\n                  \/\/ avif: { quality: 50 }, \u306a\u3069\u5fc5\u8981\u306b\u5fdc\u3058\u3066\n                },\n              },\n            },\n          }),\n        ]\n      : [],\n  },\n};<\/pre>\n
        sharp \u306f SVG \u3092\u6271\u3048\u306a\u3044\u305f\u3081\u3001SVG \u3082\u6700\u9069\u5316\u3057\u305f\u3044\u5834\u5408\u306f imagemin-svgo<\/code> \u3092\u4f7f\u3046 minimizer \u3092\u8ffd\u52a0\u3067\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\uff08\u5f8c\u8ff0\u306e imagemin \u69cb\u6210\u306e svgo<\/code> \u8a2d\u5b9a\u304c\u305d\u306e\u307e\u307e\u4f7f\u3048\u307e\u3059\uff09\u3002<\/p>\n
        \u5f93\u6765\u8cc7\u7523\u5411\u3051\uff08imagemin \u30d9\u30fc\u30b9\uff09<\/strong><\/p>\n
        \u65e2\u5b58\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067 imagemin \u69cb\u6210\u3092\u7dad\u6301\u3059\u308b\u5834\u5408\u306f\u3001\u5f93\u6765\u3069\u304a\u308a imageminMinify<\/code> \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
        \/\/ webpack.config.js\nconst ImageMinimizerPlugin = require(\"image-minimizer-webpack-plugin\");\nconst isProduction = process.env.NODE_ENV === \"production\";\n\nmodule.exports = {\n  mode: isProduction ? \"production\" : \"development\",\n  module: {\n    rules: [\n      {\n        test: \/\\.(png|jpe?g|gif|svg)$\/i,\n        type: \"asset\",\n        parser: { dataUrlCondition: { maxSize: 8 * 1024 } },\n        generator: { filename: \"images\/[name].[hash:8][ext]\" },\n      },\n    ],\n  },\n  optimization: {\n    minimizer: isProduction\n      ? [\n          \"...\", \/\/ JS minifier(terser)\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u30b9\u30d7\u30ec\u30c3\u30c9\n          new ImageMinimizerPlugin({\n            minimizer: {\n              implementation: ImageMinimizerPlugin.imageminMinify,\n              options: {\n                plugins: [\n                  [\"mozjpeg\", { quality: 80, progressive: true }],\n                  [\"pngquant\", { quality: [0.65, 0.9] }],\n                  [\"gifsicle\", { interlaced: true, optimizationLevel: 2 }],\n                  [\n                    \"svgo\",\n                    {\n                      plugins: [\n                        {\n                          name: \"preset-default\",\n                          params: {\n                            overrides: { removeViewBox: false },\n                          },\n                        },\n                      ],\n                    },\n                  ],\n                ],\n              },\n            },\n          }),\n        ]\n      : [],\n  },\n};<\/pre>\n
        \u30dd\u30a4\u30f3\u30c8\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n
          \n
        • optimization.minimizer<\/code> \u306b \"...\"<\/code>\uff08\u6587\u5b57\u5217\u306e\u30b9\u30d7\u30ec\u30c3\u30c9\uff09\u3092\u5165\u308c\u308b\u3053\u3068\u3067\u3001webpack \u30c7\u30d5\u30a9\u30eb\u30c8\u306e JS minifier\uff08terser\uff09\u3092\u7121\u52b9\u5316\u305b\u305a\u306b\u753b\u50cf\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u5fd8\u308c\u308b\u3068 JS \u304c minify \u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n
        • quality: 80<\/code>\uff08JPEG \/ mozjpeg\uff09\u306f\u8996\u899a\u52a3\u5316\u304c\u307b\u307c\u5206\u304b\u3089\u306a\u3044\u4e00\u65b9\u3067\u30b5\u30a4\u30ba\u524a\u6e1b\u52b9\u679c\u304c\u5927\u304d\u3044\u5b9f\u7528\u5024\u3067\u3059\u3002<\/li>\n
        • imagemin \u306e pngquant<\/code> \u306e quality<\/code> \u306f [min, max]<\/code> \u306e\u30ec\u30f3\u30b8\u6307\u5b9a\u3067\u3001[0.65, 0.9]<\/code> \u3042\u305f\u308a\u304c\u5b9f\u7528\u7684\u3067\u3059\u3002<\/li>\n
        • SVG \u306f svgo<\/code> \u306e removeViewBox<\/code> \u3092\u7121\u52b9\u5316\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u8868\u793a\u3067\u30b5\u30a4\u30ba\u304c\u5d29\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
          3. WebP \/ AVIF \u3092\u751f\u6210\u3059\u308b\uff08generator\uff09<\/h3>\n
          \u540c\u3058\u5143\u753b\u50cf\u304b\u3089\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5225\u51fa\u529b\u3059\u308b\u306b\u306f generator<\/code> \u3092\u4f7f\u3044\u307e\u3059\u3002sharp \u30d9\u30fc\u30b9\u306e sharpGenerate<\/code> \u3092\u4f7f\u3046\u3068 JPEG\/PNG \u304b\u3089 WebP \/ AVIF \u3092\u751f\u6210\u3067\u304d\u307e\u3059\uff08\u3053\u306e API \u3082 5.x \u3067\u5909\u308f\u3063\u3066\u3044\u307e\u305b\u3093\uff09\u3002<\/p>\n
          const ImageMinimizerPlugin = require(\"image-minimizer-webpack-plugin\");\n\nnew ImageMinimizerPlugin({\n  generator: [\n    {\n      preset: \"webp\", \/\/ ?as=webp \u4ed8\u304dimport\u3092WebP\u5316\n      implementation: ImageMinimizerPlugin.sharpGenerate,\n      options: {\n        encodeOptions: { webp: { quality: 80 } },\n      },\n    },\n  ],\n});<\/pre>\n
          \u5229\u7528\u5074\u3067\u306f query \u3067\u5909\u63db\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
          import heroWebp from \".\/hero.jpg?as=webp\";<\/pre>\n
          HTML \/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5074\u3067\u306f <picture><\/code> \u3067\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u7d44\u307f\u307e\u3059\u3002<\/p>\n
          <picture>\n  <source type=\"image\/webp\" srcset=\"\/images\/hero.webp\" \/>\n  <img src=\"\/images\/hero.jpg\" alt=\"hero\" width=\"1200\" height=\"630\" \/>\n<\/picture><\/pre>\n
          \u78ba\u8a8d\u65b9\u6cd5<\/h2>\n
          \u6700\u9069\u5316\u304c\u52b9\u3044\u3066\u3044\u308b\u304b\u306f\u3001\u30d3\u30eb\u30c9\u524d\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u6bd4\u8f03\u304c\u6700\u3082\u78ba\u5b9f\u3067\u3059\u3002<\/p>\n
          NODE_ENV=production npx webpack\ndu -sh dist\/images<\/pre>\n
            \n
          • dist\/images<\/code> \u914d\u4e0b\u306e\u5404\u753b\u50cf\u3092\u5143\u30d5\u30a1\u30a4\u30eb\u3068\u6bd4\u8f03\u3057\u3001\u7e2e\u5c0f\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/li>\n
          • \u30d6\u30e9\u30a6\u30b6\u306e DevTools \u2192 Network \u3067\u30ec\u30b9\u30dd\u30f3\u30b9\u30b5\u30a4\u30ba\u3068\u3001WebP \u304c\u914d\u4fe1\u3055\u308c\u3066\u3044\u308b\u304b\uff08Content-Type: image\/webp<\/code>\uff09\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n
          • Lighthouse \u306e\u300c\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306e\u753b\u50cf\u306e\u914d\u4fe1\u300d\u300c\u52b9\u7387\u7684\u306a\u753b\u50cf\u30a8\u30f3\u30b3\u30fc\u30c9\u300d\u8b66\u544a\u304c\u6d88\u3048\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ul>\n
            \u6ce8\u610f\u70b9<\/h2>\n
              \n
            • \u30d3\u30eb\u30c9\u6642\u9593\u304c\u4f38\u3073\u308b<\/strong>: sharp \/ imagemin \u306f CPU \u3092\u4f7f\u3046\u305f\u3081\u3001\u753b\u50cf\u304c\u591a\u3044\u3068\u30d3\u30eb\u30c9\u304c\u9045\u304f\u306a\u308a\u307e\u3059\u3002\u958b\u767a\u30d3\u30eb\u30c9\u3067\u306f\u5727\u7e2e\u3092\u7121\u52b9\u5316\u3057\u3001\u672c\u756a\u30d3\u30eb\u30c9\uff08CI\uff09\u3067\u306e\u307f\u6709\u52b9\u5316\u3059\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u3002<\/li>\n
            • pngquant \u306f\u975e\u53ef\u9006<\/strong>: PNG \u3067\u3082\u6e1b\u8272\u306b\u3088\u308b\u52a3\u5316\u304c\u8d77\u304d\u307e\u3059\u3002\u30ed\u30b4\u3084\u30a2\u30a4\u30b3\u30f3\u306a\u3069\u8272\u6570\u306e\u5c11\u306a\u3044\u753b\u50cf\u306f\u54c1\u8cea\u30ec\u30f3\u30b8\u3092\u4e0a\u3052\u308b\u304b\u5bfe\u8c61\u304b\u3089\u5916\u3059\u5224\u65ad\u304c\u8981\u308a\u307e\u3059\u3002<\/li>\n
            • \u30cd\u30a4\u30c6\u30a3\u30d6\u4f9d\u5b58<\/strong>: sharp \u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u30d0\u30a4\u30ca\u30ea\u306b\u4f9d\u5b58\u3059\u308b\u305f\u3081\u3001CI \u306eOS\/\u30a2\u30fc\u30ad\u304c\u958b\u767a\u74b0\u5883\u3068\u7570\u306a\u308b\u3068\u30d3\u30eb\u30c9\u3067\u8a70\u307e\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002Docker \u3067\u30d3\u30eb\u30c9\u74b0\u5883\u3092\u56fa\u5b9a\u3059\u308b\u3068\u5b89\u5b9a\u3057\u307e\u3059\u3002<\/li>\n
            • \u4e8c\u91cd\u6700\u9069\u5316\u3092\u907f\u3051\u308b<\/strong>: \u5143\u753b\u50cf\u3092\u624b\u52d5\u3067\u6700\u9069\u5316\u6e08\u307f\u306e\u5834\u5408\u3001\u3055\u3089\u306b\u975e\u53ef\u9006\u5727\u7e2e\u3092\u304b\u3051\u308b\u3068\u52a3\u5316\u304c\u91cd\u306a\u308a\u307e\u3059\u3002\u5143\u753b\u50cf\u306f\u7121\u52a0\u5de5\u306b\u4fdd\u3061\u3001\u6700\u9069\u5316\u306f\u30d3\u30eb\u30c9\u306b\u4e00\u672c\u5316\u3059\u308b\u306e\u304c\u7ba1\u7406\u3057\u3084\u3059\u3044\u69cb\u6210\u3067\u3059\u3002<\/li>\n<\/ul>\n
              \u307e\u3068\u3081<\/h2>\n
              webpack \u306e\u753b\u50cf\u6700\u9069\u5316\u306f\u300cAsset Modules \u3067\u753b\u50cf\u3092\u6271\u3046\u300d\u300cimage-minimizer-webpack-plugin<\/code> \u3067\u672c\u756a\u6642\u306b\u5727\u7e2e\u300d\u300c\u5fc5\u8981\u306a\u3089 WebP\/AVIF \u3092\u751f\u6210\u300d\u306e3\u70b9\u3067\u7d44\u307f\u8fbc\u3081\u307e\u3059\u3002\u8a2d\u5b9a\u306f\u4e00\u5ea6\u5165\u308c\u3066\u3057\u307e\u3048\u3070\u30d3\u30eb\u30c9\u306e\u305f\u3073\u306b\u81ea\u52d5\u3067\u52b9\u304f\u305f\u3081\u3001\u8ee2\u9001\u91cf\u3068 LCP \u306e\u6539\u5584\u3092\u30b3\u30b9\u30c8\u3092\u304b\u3051\u305a\u306b\u7d99\u7d9a\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u306f sharp \u30d9\u30fc\u30b9\u3067 quality 80<\/code> \u3042\u305f\u308a\u306e\u5b9f\u7528\u5024\u304b\u3089\u59cb\u3081\u3001\u52b9\u679c\u3092\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3068 Lighthouse \u3067\u6e2c\u308a\u306a\u304c\u3089\u8abf\u6574\u3059\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u306a\u304a\u3001\u672c\u30d7\u30e9\u30b0\u30a4\u30f3\u306f deprecated \u306e\u305f\u3081\u3001\u65b0\u898f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u5f8c\u7d99\u306e minimizer-webpack-plugin<\/code> \u3078\u306e\u79fb\u884c\u3082\u4f75\u305b\u3066\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u753b\u50cf\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u8ee2\u9001\u91cf\u306e\u5927\u534a\u3092\u5360\u3081\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30d3\u30eb\u30c9\u6642\u306b\u5727\u7e2e\u3092\u304b\u3051\u308b\u3060\u3051\u3067\u914d\u4fe1\u30b5\u30a4\u30ba\u3092\u5927\u304d\u304f\u6e1b\u3089\u305b\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f webpack 5 \u3067 image-minimizer-webpack-plugin\uff08\u5185\u90e8\u3067 sharp \/ ima\u2026<\/p>\n","protected":false},"author":1,"featured_media":3686,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","_lightning_design_setting":[],"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[36],"tags":[54,1196,692,101],"class_list":["post-3687","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript-memorandum","tag-html","tag-node-js","tag-692","tag-101"],"veu_head_title_object":{"title":"","add_site_title":""},"jetpack_publicize_connections":[],"jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/qol-kk.com\/wp2\/wp-content\/uploads\/2026\/11\/20261024-00mvllul-thumbnail.jpg","_links":{"self":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/comments?post=3687"}],"version-history":[{"count":1,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3687\/revisions"}],"predecessor-version":[{"id":3688,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3687\/revisions\/3688"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media\/3686"}],"wp:attachment":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media?parent=3687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/categories?post=3687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/tags?post=3687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}