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\n\u3082\u3061\u308d\u3093\u3001\u8a18\u4e8b\u300c\u753b\u50cf\u5727\u7e2e\u3000\u753b\u50cf\u306f\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306b\u5927\u304d\u304f\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u7d20\u3067\u3059\u3002<\/p>\n
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\u76ee\u6b21\u306e\u7591\u554f\u5f62\u306e\u4f8b\u3000<\/p>\n
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\u306a\u305c\u753b\u50cf\u5727\u7e2e\u304c\u91cd\u8981\u306a\u306e\u304b\uff1f<\/p>\n
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\u5727\u7e2e\u753b\u50cf\u5f62\u5f0f\u306e\u9078\u3073\u65b9\u306f\uff1f<\/p>\n
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\u8a73\u7d30\u3068\u6839\u62e0\u3000<\/p>\n
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\u6839\u62e0 \u30c7\u30fc\u30bf\u8ee2\u9001\u304c\u5c11\u306a\u3044\u3068\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u81ea\u7136\u306b\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u306a\u305c\u753b\u50cf\u5727\u7e2e\u304c\u91cd\u8981\u306a\u306e\u304b\uff1f<\/p>\n
\u8aac\u660e \u5927\u304d\u306a\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306f\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u9045\u304f\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u539f\u56e0\u306b\u306a\u308b\u305f\u3081\u3001\u5727\u7e2e\u306f\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u6839\u62e0 Google\u306e\u8abf\u67fb\u306b\u3088\u308c\u3070\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u9045\u3044\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u96e2\u8131\u7387\u304c\u5897\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\u3069\u306e\u3088\u3046\u306a\u753b\u50cf\u5727\u7e2e\u6280\u8853\u304c\u3042\u308b\u306e\u304b\uff1f<\/p>\n
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\u6839\u62e0 ZIP\u5727\u7e2e\u3084JPEG\u306a\u3069\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u3053\u308c\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/p>\n
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\u6839\u62e0 Web\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u30c4\u30fc\u30eb\u306f\u3001\u901a\u5e38\u3053\u306e\u7bc4\u56f2\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
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\u8aac\u660e \u4e3b\u8981\u306a\u30c4\u30fc\u30eb\u306b\u306f\u3001Adobe Photoshop\u3001TinyPNG\u3001ImageOptim\u3001Kraken.io\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u305d\u308c\u305e\u308c\u306e\u30c4\u30fc\u30eb\u304c\u63d0\u4f9b\u3059\u308b\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3084\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u8c4a\u5bcc\u3055\u3092\u7406\u7531\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u5727\u7e2e\u304c\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306b\u3069\u306e\u304f\u3089\u3044\u5f71\u97ff\u3059\u308b\u306e\u304b\uff1f<\/p>\n
\u8aac\u660e \u5927\u5e45\u306a\u5f71\u97ff\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u306b\u3088\u308a\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u6570\u79d2\u77ed\u7e2e\u3055\u308c\u308b\u30b1\u30fc\u30b9\u3082\u591a\u3044\u3067\u3059\u3002<\/p>\n
\u6839\u62e0 Google PageSpeed Insights\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3067\u306e\u5206\u6790\u7d50\u679c\u306b\u57fa\u3065\u304f\u3068\u3001\u5727\u7e2e\u3055\u308c\u305f\u753b\u50cf\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u30da\u30fc\u30b8\u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u753b\u50cf\u5f62\u5f0f\u306e\u9078\u3073\u65b9\u306f\uff1f<\/p>\n
\u8aac\u660e \u4f7f\u7528\u3059\u308b\u753b\u50cf\u306e\u7279\u6027\u3084\u8868\u793a\u76ee\u7684\u306b\u5fdc\u3058\u3066\u9078\u3073\u307e\u3059\u3002<\/p>\n
\u4f8b\u3000JPEG\u306f\u5199\u771f\u306b\u3001PNG\u306f\u900f\u660e\u80cc\u666f\u306e\u3042\u308b\u753b\u50cf\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u5404\u5f62\u5f0f\u306e\u7279\u6027\u3068\u7528\u9014\u306b\u57fa\u3065\u304f\u9078\u629e\u304c\u3001\u52b9\u7387\u7684\u306a\u5727\u7e2e\u3068\u9ad8\u54c1\u8cea\u8868\u793a\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u753b\u50cf\u3092Web\u30b5\u30a4\u30c8\u306b\u9069\u7528\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u306e\u304b\uff1f<\/p>\n
\u8aac\u660e \u753b\u50cf\u3092\u5727\u7e2e\u3057\u305f\u5f8c\u3001CMS\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3001HTML\u306b\u76f4\u63a5\u57cb\u3081\u8fbc\u307f\u3001\u307e\u305f\u306fCDN\u3092\u901a\u3058\u3066\u914d\u4fe1\u3059\u308b\u306a\u3069\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 Web\u958b\u767a\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u5247\u308a\u307e\u3059\u3002<\/p>\n
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\u8aac\u660e WebP\u3084AVIF\u3068\u3044\u3063\u305f\u65b0\u3057\u3044\u753b\u50cf\u5f62\u5f0f\u304c\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306f\u9ad8\u5727\u7e2e\u7387\u3067\u9ad8\u54c1\u8cea\u306a\u753b\u50cf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u6700\u65b0\u30d6\u30e9\u30a6\u30b6\u306e\u30b5\u30dd\u30fc\u30c8\u60c5\u5831\u304a\u3088\u3073\u6280\u8853\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u63a8\u5968\u306b\u57fa\u3065\u304d\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u304c\u3001\u753b\u50cf\u5727\u7e2e\u306b\u95a2\u3059\u308b\u7591\u554f\u5f62\u306e\u76ee\u6b21\u3068\u305d\u306e\u8a73\u7d30\u8aac\u660e\u30fb\u6839\u62e0\u306b\u3064\u3044\u3066\u306e\u63d0\u6848\u3067\u3059\u3002<\/p>\n
\u306a\u305c\u753b\u50cf\u5727\u7e2e\u304c\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f
\n\u753b\u50cf\u5727\u7e2e\u304c\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u7406\u7531\u306f\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e\u8981\u7d20\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
1. \u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u524a\u6e1b<\/p>\n
\u7406\u7531\u3000<\/p>\n
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\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u307b\u3069\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30d6\u30e9\u30a6\u30b6\uff09\u306b\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u6839\u62e0\u3000<\/p>\n
\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5e2f\u57df\u5e45\u3000\u4e00\u822c\u7684\u306b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5e2f\u57df\u5e45\u306f\u9650\u3089\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u91cf\u304c\u5c11\u306a\u3044\u307b\u3069\u8ee2\u9001\u901f\u5ea6\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001100KB\u306e\u753b\u50cf\u30681MB\u306e\u753b\u50cf\u3092\u6bd4\u8f03\u3059\u308b\u3068\u3001100KB\u306e\u753b\u50cf\u306f\u8ee2\u9001\u306b\u304b\u304b\u308b\u6642\u9593\u304c\u7d041\/10\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3000HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u304b\u3089\u753b\u50cf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u307e\u3067\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u30c7\u30fc\u30bf\u91cf\u304c\u5c11\u306a\u3044\u307b\u3069\u77ed\u3044\u6642\u9593\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306f\u7279\u306b\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3084\u4f4e\u901f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306b\u304a\u3044\u3066\u9855\u8457\u3067\u3059\u3002<\/p>\n
2. \u30da\u30fc\u30b8\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u901f\u5ea6<\/p>\n
\u7406\u7531\u3000<\/p>\n
\u753b\u50cf\u304c\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u8fc5\u901f\u306b\u89e3\u6790\u3057\u3001\u63cf\u753b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u3044\u307b\u3069\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u3078\u306e\u8ca0\u62c5\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0\u3000<\/p>\n
\u30d6\u30e9\u30a6\u30b6\u306e\u51e6\u7406\u80fd\u529b\u3000\u9ad8\u89e3\u50cf\u5ea6\u3084\u5927\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u306f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u969b\u306b\u591a\u304f\u306e\u30e1\u30e2\u30ea\u3068CPU\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u5bfe\u3057\u3001\u5727\u7e2e\u3055\u308c\u305f\u753b\u50cf\u306f\u5fc5\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u304c\u5c11\u306a\u304f\u3001\u8fc5\u901f\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n
\u30da\u30fc\u30b8\u5168\u4f53\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3000\u8907\u6570\u306e\u753b\u50cf\u304c\u542b\u307e\u308c\u308b\u30da\u30fc\u30b8\u3067\u306f\u3001\u5404\u753b\u50cf\u306e\u30ed\u30fc\u30c9\u5b8c\u4e86\u3068\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u30da\u30fc\u30b8\u5168\u4f53\u306e\u8868\u793a\u901f\u5ea6\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u304c\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u308c\u3089\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u8fc5\u901f\u306b\u9032\u884c\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u3088\u308a\u5feb\u9069\u306a\u4f53\u9a13\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
3. \u30b5\u30fc\u30d0\u30fc\u304a\u3088\u3073\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8ca0\u8377\u306e\u8efd\u6e1b<\/p>\n
\u7406\u7531\u3000<\/p>\n
\u5727\u7e2e\u3055\u308c\u305f\u753b\u50cf\u306f\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u3092\u7bc0\u7d04\u3057\u3001\u8907\u6570\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u8fc5\u901f\u306b\u5bfe\u5fdc\u3059\u308b\u969b\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0\u3000<\/p>\n
\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u8ee2\u9001\u901f\u5ea6\u3000\u5c0f\u3055\u3044\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u7bc0\u7d04\u3057\u3001\u753b\u50cf\u306e\u914d\u4fe1\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u7279\u306bCDN\uff08\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5c0f\u578b\u5316\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u7387\u3082\u6539\u5584\u3057\u307e\u3059\u3002<\/p>\n
\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u6d88\u8cbb\u3000\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u3067\u306f\u3001\u5927\u5bb9\u91cf\u306e\u30c7\u30fc\u30bf\u306f\u30c7\u30d0\u30a4\u30b9\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u3055\u308c\u305f\u753b\u50cf\u306f\u30c7\u30fc\u30bf\u6d88\u8cbb\u91cf\u3092\u6e1b\u5c11\u3055\u305b\u3001\u7279\u306b\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3067\u306e\u30c7\u30fc\u30bf\u30d7\u30e9\u30f3\u4f7f\u7528\u91cf\u3092\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
4. \u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u5411\u4e0a<\/p>\n
\u7406\u7531\u3000<\/p>\n
\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u5f85\u3061\u6642\u9593\u304c\u77ed\u304f\u306a\u308a\u3001\u5168\u4f53\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0\u3000<\/p>\n
\u96e2\u8131\u7387\u306e\u4f4e\u4e0b\u3000\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u5897\u3059\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30da\u30fc\u30b8\u3092\u96e2\u8131\u3059\u308b\u78ba\u7387\uff08\u96e2\u8131\u7387\uff09\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u3001\u30a2\u30af\u30bb\u30b9\u6570\u306e\u5897\u52a0\u3084\u30b5\u30a4\u30c8\u306e\u6ede\u5728\u6642\u9593\u306e\u5897\u5927\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n
SEO\uff08\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u6700\u9069\u5316\uff09\u3000Google\u7b49\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306f\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u7d20\u3068\u3057\u3066\u8003\u616e\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u753b\u50cf\u5727\u7e2e\u306fSEO\u5bfe\u7b56\u3068\u3057\u3066\u3082\u6709\u52b9\u3067\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u3001\u691c\u7d22\u7d50\u679c\u3067\u306e\u4e0a\u4f4d\u8868\u793a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0a\u306e\u3088\u3046\u306a\u7406\u7531\u3068\u6839\u62e0\u304b\u3089\u3001\u753b\u50cf\u5727\u7e2e\u306f\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u6280\u8853\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057\u3066\u3088\u308a\u826f\u3044\u4f53\u9a13\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u3069\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067\u753b\u50cf\u3092\u5727\u7e2e\u3059\u308c\u3070\u6700\u3082\u52b9\u679c\u7684\u306a\u306e\u304b\uff1f
\n\u753b\u50cf\u5727\u7e2e\u306f\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u5177\u4f53\u7684\u306a\u5727\u7e2e\u624b\u6cd5\u3068\u305d\u306e\u6839\u62e0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
1. \u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u9078\u629e<\/p>\n
\u307e\u305a\u3001\u9069\u5207\u306a\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4e00\u822c\u7684\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3000<\/p>\n
JPEG \u5199\u771f\u3084\u30ea\u30a2\u30eb\u306a\u753b\u50cf\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u975e\u53ef\u9006\u5727\u7e2e\u5f62\u5f0f\u3067\u3042\u308a\u3001\u5727\u7e2e\u7387\u304c\u9ad8\u304f\u3001\u54c1\u8cea\u306e\u4f4e\u4e0b\u3068\u5f15\u304d\u63db\u3048\u306b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n
PNG \u9ad8\u54c1\u8cea\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u3084\u900f\u660e\u80cc\u666f\u306e\u753b\u50cf\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
PNG\u306f\u53ef\u9006\u5727\u7e2e\u5f62\u5f0f\u3067\u3042\u308b\u305f\u3081\u3001\u54c1\u8cea\u3092\u5931\u308f\u305a\u306b\u5727\u7e2e\u3067\u304d\u307e\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306fJPEG\u3088\u308a\u5927\u304d\u304f\u306a\u308a\u304c\u3061\u3067\u3059\u3002<\/p>\n
GIF \u7c21\u5358\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3084\u30b7\u30f3\u30d7\u30eb\u306a\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\uff08256\u8272\u4ee5\u4e0b\uff09\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n
GIF\u3082\u53ef\u9006\u5727\u7e2e\u5f62\u5f0f\u3067\u3059\u304c\u3001\u8272\u6570\u304c\u5c11\u306a\u3044\u3068\u304d\u306b\u306e\u307f\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n
WebP Google\u304c\u958b\u767a\u3057\u305f\u65b0\u3057\u3044\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3001JPEG\u3068PNG\u306e\u4e21\u65b9\u3088\u308a\u9ad8\u3044\u5727\u7e2e\u52b9\u7387\u3092\u6301\u3061\u3001\u54c1\u8cea\u3092\u4fdd\u3061\u306a\u304c\u3089\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u6839\u62e0<\/p>\n
JPEG\u306f\u975e\u53ef\u9006\u5727\u7e2e\u3067\u3042\u308a\u3001\u4e00\u5b9a\u306e\u753b\u8cea\u3092\u4fdd\u3061\u306a\u304c\u3089\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u308b\u305f\u3081\u3001\u5199\u771f\u306b\u306f\u6700\u9069\u3067\u3059\u3002<\/p>\n
PNG\u306f\u53ef\u9006\u5727\u7e2e\u3067\u9ad8\u54c1\u8cea\u3092\u4fdd\u3066\u308b\u305f\u3081\u3001\u900f\u660e\u80cc\u666f\u3084\u30a4\u30e9\u30b9\u30c8\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
WebP\u306f\u6700\u3082\u9ad8\u3044\u5727\u7e2e\u52b9\u7387\u3092\u6301\u3061\u3001\u30a6\u30a7\u30d6\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u70b9\u3067\u7279\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n
2. \u5727\u7e2e\u30c4\u30fc\u30eb\u306e\u4f7f\u7528<\/p>\n
\u9069\u5207\u306a\u5727\u7e2e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306f\u4ee3\u8868\u7684\u306a\u30c4\u30fc\u30eb\u3068\u305d\u306e\u7279\u5fb4\u3067\u3059\u3000<\/p>\n
Adobe Photoshop \u9ad8\u5ea6\u306a\u753b\u50cf\u7de8\u96c6\u6a5f\u80fd\u3068\u3068\u3082\u306b\u3001\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u6642\u306b\u54c1\u8cea\u3092\u8abf\u6574\u3067\u304d\u308b\u305f\u3081\u3001\u7d30\u304b\u3044\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
TinyPNG\/TinyJPG \u30a6\u30a7\u30d6\u30d9\u30fc\u30b9\u306e\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u624b\u8efd\u306bPNG\u3084JPEG\u753b\u50cf\u3092\u5727\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u512a\u308c\u3066\u304a\u308a\u3001\u54c1\u8cea\u3092\u4fdd\u3061\u306a\u304c\u3089\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n
ImageMagick \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30d9\u30fc\u30b9\u306e\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u30d0\u30c3\u30c1\u51e6\u7406\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6027\u304c\u9ad8\u3044\u3002<\/p>\n
Squoosh Google\u304c\u63d0\u4f9b\u3059\u308b\u30a6\u30a7\u30d6\u30d9\u30fc\u30b9\u306e\u30c4\u30fc\u30eb\u3067\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u5727\u7e2e\u7d50\u679c\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u8abf\u6574\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u6839\u62e0<\/p>\n
Adobe Photoshop\u306f\u9ad8\u6a5f\u80fd\u3067\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u753b\u50cf\u51e6\u7406\u304c\u884c\u3048\u308b\u305f\u3081\u3001\u591a\u304f\u306e\u30c7\u30b6\u30a4\u30ca\u30fc\u304c\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
TinyPNG\u3084TinyJPG\u306f\u305d\u306e\u7c21\u4fbf\u3055\u3068\u9ad8\u54c1\u8cea\u306a\u5727\u7e2e\u7d50\u679c\u3067\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u652f\u6301\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
Squoosh\u306f\u76f4\u611f\u7684\u306a\u64cd\u4f5c\u3068\u9ad8\u3044\u5727\u7e2e\u6027\u80fd\u3092\u6301\u3061\u3001\u7279\u306bWebP\u5f62\u5f0f\u306e\u753b\u50cf\u5727\u7e2e\u306b\u304a\u3044\u3066\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n
3. \u9069\u5207\u306a\u5727\u7e2e\u8a2d\u5b9a\u306e\u9078\u629e<\/p>\n
\u5727\u7e2e\u8a2d\u5b9a\u3082\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n
JPEG\u306e\u5834\u5408\u3001\u753b\u8cea\u3068\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u305f\u3081\u306b\u300c\u30af\u30aa\u30ea\u30c6\u30a3\u300d\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8abf\u6574\u3057\u307e\u3059\u3002<\/p>\n
\u4e00\u822c\u7684\u306b\u306f70~80\u7a0b\u5ea6\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u8a2d\u5b9a\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n
PNG\u306e\u5834\u5408\u306f\u8272\u6570\u3092\u6e1b\u3089\u3059\u3053\u3068\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u6839\u62e0<\/p>\n
JPEG\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u8a2d\u5b9a\u309270~80\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u76ee\u7acb\u3064\u753b\u8cea\u4f4e\u4e0b\u3092\u907f\u3051\u3064\u3064\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u308b\u305f\u3081\u3001\u30a6\u30a7\u30d6\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\uff08\u5143\u3005\u306e\u7814\u7a76\u304a\u3088\u3073\u5b9f\u8a3c\u5b9f\u9a13\u306b\u57fa\u3065\u304f\uff09\u3002<\/p>\n
PNG\u3067\u8272\u6570\u3092\u6e1b\u3089\u3059\u3053\u3068\u306b\u3088\u308a\u3001\u53ef\u9006\u5727\u7e2e\u306e\u826f\u3055\u3092\u6d3b\u304b\u3057\u3064\u3064\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u52b9\u679c\u7684\u306b\u5c0f\u3055\u304f\u3067\u304d\u307e\u3059\u3002<\/p>\n
4. \u81ea\u52d5\u5316\u3068\u6700\u9069\u5316<\/p>\n
\u30a6\u30a7\u30d6\u958b\u767a\u6642\u306b\u306f\u3001\u753b\u50cf\u306e\u5727\u7e2e\u3092\u81ea\u52d5\u5316\u3059\u308b\u3053\u3068\u3067\u4e00\u8cab\u6027\u3068\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001\u30d3\u30eb\u30c9\u30d7\u30ed\u30bb\u30b9\u306b\u753b\u50cf\u5727\u7e2e\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n
Webpack\u3068\u30d7\u30e9\u30b0\u30a4\u30f3 Webpack\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001image-webpack-loader\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3063\u3066\u753b\u50cf\u5727\u7e2e\u3092\u81ea\u52d5\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n
Gulp\/Grunt\u3068\u30d7\u30e9\u30b0\u30a4\u30f3 Gulp\u3084Grunt\u306a\u3069\u306e\u30bf\u30b9\u30af\u30e9\u30f3\u30ca\u30fc\u3092\u4f7f\u3063\u3066\u3001gulp-imagemin\u3084grunt-contrib-imagemin\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0<\/p>\n
\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u3092\u7528\u3044\u305f\u81ea\u52d5\u5316\u306f\u3001\u4f5c\u696d\u52b9\u7387\u3092\u4e0a\u3052\u308b\u3068\u3068\u3082\u306b\u3001\u753b\u50cf\u5727\u7e2e\u306e\u4e00\u8cab\u6027\u3092\u4fdd\u3064\u305f\u3081\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n
\u591a\u304f\u306e\u958b\u767a\u8005\u304c\u63a1\u7528\u3057\u3066\u3044\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u57fa\u3065\u304d\u307e\u3059\u3002<\/p>\n
\u307e\u3068\u3081<\/p>\n
\u753b\u50cf\u5727\u7e2e\u306e\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3068\u3057\u3066\u3001\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u9078\u629e\u3001\u512a\u308c\u305f\u5727\u7e2e\u30c4\u30fc\u30eb\u306e\u4f7f\u7528\u3001\u9069\u5207\u306a\u5727\u7e2e\u8a2d\u5b9a\u306e\u9078\u629e\u3001\u305d\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u306e\u81ea\u52d5\u5316\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u9650\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u624b\u6cd5\u306b\u6839\u62e0\u3092\u4e0e\u3048\u305f\u591a\u304f\u306e\u7814\u7a76\u3084\u5b9f\u8df5\u7684\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3088\u308a\u3001\u52b9\u7387\u7684\u304b\u3064\u52b9\u679c\u7684\u306a\u753b\u50cf\u5727\u7e2e\u304c\u5b9f\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u3055\u308c\u305f\u753b\u50cf\u306e\u54c1\u8cea\u306f\u3069\u308c\u304f\u3089\u3044\u4fdd\u305f\u308c\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f
\n\u753b\u50cf\u5727\u7e2e\u306b\u304a\u3044\u3066\u753b\u8cea\u306e\u4fdd\u6301\u306f\u4e3b\u306b\u5727\u7e2e\u624b\u6cd5\u3068\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306b\u3001\u753b\u50cf\u5727\u7e2e\u306e\u7a2e\u985e\u3068\u305d\u306e\u7279\u5fb4\u3001\u753b\u8cea\u4fdd\u6301\u306e\u7a0b\u5ea6\u3001\u305d\u3057\u3066\u305d\u308c\u306b\u95a2\u9023\u3059\u308b\u6839\u62e0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
1. \u5727\u7e2e\u624b\u6cd5<\/p>\n
\u753b\u50cf\u5727\u7e2e\u306b\u306f\u4e3b\u306b\u300c\u30ed\u30b9\u30ec\u30b9\u5727\u7e2e\u300d\u3068\u300c\u6709\u640d\u5727\u7e2e\u300d\u306e2\u3064\u306e\u624b\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30ed\u30b9\u30ec\u30b9\u5727\u7e2e<\/p>\n
\u30ed\u30b9\u30ec\u30b9\u5727\u7e2e\u306f\u30c7\u30fc\u30bf\u304c\u5b8c\u5168\u306b\u4fdd\u6301\u3055\u308c\u3001\u5727\u7e2e\u524d\u3068\u5727\u7e2e\u5f8c\u306e\u753b\u50cf\u304c\u53b3\u5bc6\u306b\u4e00\u81f4\u3057\u307e\u3059\u3002<\/p>\n
\u4e00\u822c\u7684\u306a\u30ed\u30b9\u30ec\u30b9\u5727\u7e2e\u5f62\u5f0f\u306b\u306fPNG\u3001GIF\u3001JPEG 2000\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u7279\u5fb4<\/p>\n
\u30c7\u30fc\u30bf\u306e\u640d\u5931\u304c\u306a\u3044\u305f\u3081\u3001\u5143\u306e\u753b\u50cf\u3092\u5b8c\u5168\u306b\u5fa9\u5143\u53ef\u80fd\u3002<\/p>\n
\u5727\u7e2e\u7387\u306f\u6709\u640d\u5727\u7e2e\u306b\u6bd4\u3079\u3066\u4f4e\u3044\u3002<\/p>\n
\u6839\u62e0<\/p>\n
\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3057\u3066\u306f\u3001PNG\u306b\u304a\u3051\u308bDeflate\u5727\u7e2e\u3084LZW\u5727\u7e2e\uff08GIF\u3067\u4f7f\u7528\uff09\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306f\u7d71\u8a08\u7684\u306a\u624b\u6cd5\u3092\u7528\u3044\u3001\u7e70\u308a\u8fd4\u3057\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u30c7\u30fc\u30bf\u5727\u7e2e\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n
\u6709\u640d\u5727\u7e2e<\/p>\n
\u6709\u640d\u5727\u7e2e\u306f\u30c7\u30fc\u30bf\u306e\u4e00\u90e8\u3092\u524a\u6e1b\u307e\u305f\u306f\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u5727\u7e2e\u7387\u3092\u9ad8\u3081\u308b\u624b\u6cd5\u3067\u3059\u3002<\/p>\n
JPEG\u3001WebP\u306a\u3069\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n
\u7279\u5fb4<\/p>\n
\u5727\u7e2e\u7387\u304c\u9ad8\u3044\u3002<\/p>\n
\u5727\u7e2e\u7387\u304c\u9ad8\u3044\u307b\u3069\u753b\u8cea\u306e\u52a3\u5316\u304c\u9855\u8457\u306b\u306a\u308b\u3002<\/p>\n
\u6839\u62e0<\/p>\n
JPEG\u306fDCT\uff08Discrete Cosine Transform\uff09\u3092\u4f7f\u7528\u3057\u3001\u5468\u6ce2\u6570\u9818\u57df\u3067\u30c7\u30fc\u30bf\u3092\u5727\u7e2e\u3057\u307e\u3059\u3002<\/p>\n
\u4eba\u9593\u306e\u8996\u899a\u306b\u5bfe\u3057\u3066\u611f\u3058\u306b\u304f\u3044\u60c5\u5831\uff08\u9ad8\u5468\u6ce2\u6210\u5206\uff09\u306e\u524a\u9664\u3084\u8272\u7a7a\u9593\u306e\u5909\u63db\u306b\u3088\u308a\u30c7\u30fc\u30bf\u91cf\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n
2. \u5727\u7e2e\u7387\u3068\u753b\u8cea\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5<\/p>\n
\u5727\u7e2e\u7387\uff08\u5727\u7e2e\u306e\u5ea6\u5408\u3044\uff09\u304c\u9ad8\u307e\u308b\u307b\u3069\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u5c0f\u3055\u304f\u306a\u308b\u4e00\u65b9\u3067\u3001\u753b\u8cea\u306e\u52a3\u5316\u304c\u9032\u307f\u307e\u3059\u3002<\/p>\n
\u4e00\u822c\u306b\u4ee5\u4e0b\u306e\u70b9\u304c\u8003\u616e\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u4f4e\u5727\u7e2e\u7387\uff08\u9ad8\u753b\u8cea\uff09<\/p>\n
\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3081\u3002<\/p>\n
\u753b\u8cea\u52a3\u5316\u304c\u5c11\u306a\u3044\u3002<\/p>\n
\u9ad8\u5727\u7e2e\u7387\uff08\u4f4e\u753b\u8cea\uff09<\/p>\n
\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u3001\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u5411\u4e0a\u3002<\/p>\n
\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\uff08\u753b\u50cf\u306e\u30d6\u30ed\u30c3\u30af\u5316\u3084\u307c\u3084\u3051\uff09\u304c\u898b\u3089\u308c\u308b\u3002<\/p>\n
3. \u5727\u7e2e\u306e\u5b9f\u7528\u4f8b\u3068\u305d\u306e\u54c1\u8cea\u4fdd\u6301<\/p>\n
JPEG \u5727\u7e2e<\/p>\n
\u4f4e\u5727\u7e2e\uff08\u9ad8\u54c1\u8cea\uff09\u3000 \u54c1\u8cea\u8a2d\u5b9a85-95%\uff08\u5727\u7e2e\u6bd4\u7d0421\u304b\u308961\uff09<\/p>\n
\u76ee\u8996\u3067\u306e\u52a3\u5316\u304c\u307b\u3068\u3093\u3069\u306a\u3044\u3002<\/p>\n
\u4e2d\u5727\u7e2e\uff08\u4e2d\u54c1\u8cea\uff09\u3000 \u54c1\u8cea\u8a2d\u5b9a50-85%\uff08\u5727\u7e2e\u6bd4\u7d0481\u304b\u3089201\uff09<\/p>\n
\u82e5\u5e72\u306e\u52a3\u5316\u304c\u3042\u308b\u304c\u3001\u591a\u304f\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u8a31\u5bb9\u7bc4\u56f2\u3002<\/p>\n
\u9ad8\u5727\u7e2e\uff08\u4f4e\u54c1\u8cea\uff09\u3000 \u54c1\u8cea\u8a2d\u5b9a50%\u4ee5\u4e0b\uff08\u5727\u7e2e\u6bd4201\u4ee5\u4e0a\uff09<\/p>\n
\u753b\u8cea\u306e\u52a3\u5316\u304c\u9855\u8457\u3067\u3001\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u304c\u76ee\u7acb\u3064\u3002<\/p>\n
WebP \u5727\u7e2e<\/p>\n
\u512a\u308c\u305f\u5727\u7e2e\u6027\u80fd\u3000 JPEG\u3088\u308a\u9ad8\u5727\u7e2e\u7387\u3067\u3082\u753b\u8cea\u304c\u826f\u597d\u3068\u3055\u308c\u308b\u3002<\/p>\n
\u900f\u904ePNG\u3082\u6bd4\u8f03\u7684\u8efd\u91cf\u5316\u3000 \u30ed\u30b9\u30ec\u30b9\u5f62\u5f0f\u3067\u3082JPEG\u3068\u540c\u7b49\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306b\u3002<\/p>\n
\u6839\u62e0<\/p>\n
Google\u306eWebP\u306e\u6280\u8853\u8cc7\u6599\u306b\u3088\u308c\u3070\u3001\u540c\u3058\u8996\u899a\u54c1\u8cea\u30ec\u30d9\u30eb\u3067\u3042\u308c\u3070\u3001WebP\u753b\u50cf\u306fJPEG\u3088\u308a\u308225-34%\u5c0f\u3055\u3044\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306b\u306a\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
4. \u5b9f\u7528\u7684\u306a\u30a2\u30c9\u30d0\u30a4\u30b9<\/p>\n
\u76ee\u7684\u306b\u5fdc\u3058\u305f\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u9078\u629e\u3000 \u5199\u771f\u3084\u81ea\u7136\u753b\u50cf\u306b\u306fJPEG\u3001WebP\u304c\u4e00\u822c\u7684\u3002<\/p>\n
\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u3084\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306b\u306fPNG\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u54c1\u8cea\u8a2d\u5b9a\u306e\u691c\u8a3c\u3000 \u5727\u7e2e\u30c4\u30fc\u30eb\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3088\u3063\u3066\u306f\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u54c1\u8cea\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u304c\u53ef\u80fd\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u63a8\u5968\u30c4\u30fc\u30eb<\/p>\n
Photoshop\u3084GIMP \u8a73\u7d30\u306a\u5727\u7e2e\u8a2d\u5b9a\u304c\u53ef\u80fd\u3002<\/p>\n
\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb TinyPNG\u3001ImageOptim\u306a\u3069\u306f\u4f7f\u3044\u3084\u3059\u304f\u3001\u9ad8\u54c1\u8cea\u306a\u5727\u7e2e\u3092\u5b9f\u73fe\u53ef\u80fd\u3002<\/p>\n
\u7d50\u8ad6<\/p>\n
\u5727\u7e2e\u3055\u308c\u305f\u753b\u50cf\u306e\u54c1\u8cea\u306f\u4f7f\u7528\u3059\u308b\u5727\u7e2e\u624b\u6cd5\u304a\u3088\u3073\u5727\u7e2e\u7387\u8a2d\u5b9a\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n
\u30ed\u30b9\u30ec\u30b9\u5727\u7e2e\u3067\u306f\u54c1\u8cea\u304c\u4fdd\u6301\u3055\u308c\u308b\u4e00\u65b9\u3001\u6709\u640d\u5727\u7e2e\u3067\u306f\u5727\u7e2e\u7387\u304c\u9ad8\u3044\u307b\u3069\u753b\u8cea\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u304c\u3001\u898b\u305f\u76ee\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u305a\u306b\u52b9\u679c\u7684\u306b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u6e1b\u5c11\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u975e\u5e38\u306b\u9ad8\u3044\u5727\u7e2e\u7387\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3001WebP\u306e\u3088\u3046\u306a\u9ad8\u52b9\u7387\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u9ad8\u3044\u5727\u7e2e\u7387\u3068\u753b\u8cea\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u5229\u7528\u30b7\u30ca\u30ea\u30aa\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u5f62\u5f0f\u3068\u5727\u7e2e\u8a2d\u5b9a\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u6700\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306a\u7591\u554f\u5f62\u306e\u76ee\u6b21\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u8aad\u8005\u304c\u5177\u4f53\u7684\u306a\u7591\u554f\u3092\u6301\u3061\u306a\u304c\u3089\u8a18\u4e8b\u3092\u8aad\u307f\u9032\u3081\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002
\n\u753b\u50cf\u5727\u7e2e\u306b\u95a2\u3059\u308b\u7591\u554f\u5f62\u306e\u76ee\u6b21\u3092\u7528\u3044\u305f\u8a18\u4e8b\u306e\u4f5c\u6210\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n
\u7591\u554f\u5f62\u306e\u76ee\u6b21\u3092\u4f7f\u3063\u305f\u8a18\u4e8b\u4f5c\u6210\u306e\u7406\u7531<\/p>\n
\u8aad\u8005\u306e\u95a2\u5fc3\u3092\u5f15\u304f<\/p>\n
\u8aad\u8005\u306f\u7591\u554f\u3092\u6301\u3064\u3053\u3068\u3067\u3001\u3088\u308a\u7a4d\u6975\u7684\u306b\u8a18\u4e8b\u3092\u8aad\u3080\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001\u300c\u753b\u50cf\u5727\u7e2e\u306f\u306a\u305c\u5fc5\u8981\u3067\u3059\u304b\uff1f\u300d\u3084\u300c\u3069\u306e\u30c4\u30fc\u30eb\u304c\u6700\u9069\u3067\u3059\u304b\uff1f\u300d\u3068\u3044\u3063\u305f\u5f62\u3067\u7591\u554f\u3092\u63d0\u793a\u3059\u308b\u3053\u3068\u3067\u3001\u8aad\u8005\u306e\u8208\u5473\u3092\u5f15\u304d\u3001\u8a18\u4e8b\u3092\u8aad\u307f\u9032\u3081\u305f\u304f\u306a\u308b\u5fc3\u7406\u3092\u8a98\u767a\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u4f01\u753b\u306e\u8abf\u67fb\u3067\u306f\u3001\u7591\u554f\u5f62\u306e\u30bf\u30a4\u30c8\u30eb\u3084\u76ee\u6b21\u304c\u8aad\u8005\u306e\u30af\u30ea\u30c3\u30af\u7387\u3084\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\uff08\u4f8b\u3000\u300cHow-to\u300d\u30ac\u30a4\u30c9\u3084FAQ\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u4eba\u6c17\uff09\u3002<\/p>\n
\u8aad\u307f\u624b\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3048\u308b<\/p>\n
\u7591\u554f\u5f62\u306e\u76ee\u6b21\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u8aad\u8005\u304c\u62b1\u304f\u3067\u3042\u308d\u3046\u8cea\u554f\u306b\u5bfe\u3057\u3066\u5177\u4f53\u7684\u306b\u7b54\u3048\u3089\u308c\u308b\u8a18\u4e8b\u3092\u69cb\u6210\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u3001\u8aad\u8005\u306e\u30cb\u30fc\u30ba\u3092\u3088\u308a\u7684\u78ba\u306b\u6349\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u7814\u7a76\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u76f4\u9762\u3059\u308b\u554f\u984c\u3084\u7591\u554f\u306b\u8fc5\u901f\u304b\u3064\u5177\u4f53\u7684\u306b\u7b54\u3048\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u9ad8\u8a55\u4fa1\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u591a\u3044\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u7591\u554f\u5f62\u76ee\u6b21\u306e\u5177\u4f53\u4f8b\u3068\u89e3\u8aac<\/p>\n
\u753b\u50cf\u5727\u7e2e\u306f\u306a\u305c\u5fc5\u8981\u306a\u306e\u304b\uff1f<\/p>\n
\u30da\u30fc\u30b8\u901f\u5ea6\u306e\u5411\u4e0a \u5727\u7e2e\u3055\u308c\u305f\u753b\u50cf\u306f\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308b\u305f\u3081\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u304c\u5411\u4e0a\u3057\u3001SEO\u306b\u3082\u826f\u3044\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 Google\u306a\u3069\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306f\u30da\u30fc\u30b8\u901f\u5ea6\u3092\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u306e\u4e00\u3064\u3068\u3057\u3066\u304a\u308a\u3001\u901f\u3044\u30da\u30fc\u30b8\u306f\u691c\u7d22\u7d50\u679c\u3067\u4e0a\u4f4d\u306b\u8868\u793a\u3055\u308c\u3084\u3059\u304f\u306a\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3069\u306e\u5727\u7e2e\u5f62\u5f0f\u304c\u6700\u9069\u3067\u3059\u304b\uff1f<\/p>\n
JPEG\u3001PNG\u3001WebP\u306a\u3069\u306e\u6bd4\u8f03<\/p>\n
JPEG \u5199\u771f\u306a\u3069\u306e\u591a\u8272\u753b\u50cf\u306b\u9069\u3057\u3001\u9069\u5ea6\u306a\u5727\u7e2e\u7387\u3067\u8cea\u3092\u4fdd\u3066\u308b\u3002<\/p>\n
PNG \u900f\u660e\u6027\u304c\u5fc5\u8981\u306a\u753b\u50cf\u306b\u9069\u3057\u3001\u7121\u52a3\u5316\u5727\u7e2e\u304c\u53ef\u80fd\u3002<\/p>\n
WebP \u9ad8\u5727\u7e2e\u7387\u3068\u9ad8\u54c1\u8cea\u3092\u4e21\u7acb\u3057\u3001\u65b0\u3057\u3044\u6a19\u6e96\u5f62\u5f0f\u3068\u3057\u3066\u6ce8\u76ee\u3002<\/p>\n
\u6839\u62e0 \u5727\u7e2e\u5f62\u5f0f\u306b\u3088\u3063\u3066\u9069\u7528\u3059\u308b\u753b\u50cf\u306e\u7a2e\u985e\u3084\u7528\u9014\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u305d\u308c\u305e\u308c\u306e\u7279\u6027\u3092\u7406\u89e3\u3057\u3066\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001Google\u306f\u81ea\u793e\u306eWeb\u30b5\u30fc\u30d3\u30b9\u3067WebP\u3092\u63a8\u5968\u3057\u3001\u5229\u7528\u3092\u4fc3\u9032\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3069\u306e\u30c4\u30fc\u30eb\u304c\u6700\u9069\u3067\u3059\u304b\uff1f<\/p>\n
\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u9078\u629e<\/p>\n
\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb TinyPNG\u3001Optimizilla\u306a\u3069
\n\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 Adobe Photoshop\u3001GIMP\u3001ImageOptim\u306a\u3069<\/p>\n
\u6839\u62e0 \u591a\u304f\u306e\u30c4\u30fc\u30eb\u304c\u7c21\u5358\u306b\u5229\u7528\u3067\u304d\u3001\u591a\u6a5f\u80fd\u3067\u3042\u308b\u305f\u3081\u3001\u76ee\u7684\u306b\u5fdc\u3058\u3066\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u52b9\u7387\u7684\u306a\u753b\u50cf\u5727\u7e2e\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u753b\u50cf\u5727\u7e2e\u306e\u624b\u9806\u3068\u306f\uff1f<\/p>\n
\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u30ac\u30a4\u30c9<\/p>\n
\u753b\u50cf\u3092\u9078\u629e
\n\u9069\u5207\u306a\u5727\u7e2e\u5f62\u5f0f\u3092\u9078\u5b9a
\n\u5727\u7e2e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528
\n\u5727\u7e2e\u5f8c\u306e\u753b\u50cf\u3092\u78ba\u8a8d
\n\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/p>\n
\u6839\u62e0 \u5206\u304b\u308a\u3084\u3059\u3044\u624b\u9806\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u8aad\u8005\u304c\u81ea\u5206\u3067\u5b9f\u969b\u306b\u753b\u50cf\u5727\u7e2e\u3092\u5b9f\u65bd\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u5f8c\u306e\u753b\u50cf\u54c1\u8cea\u306f\u3069\u308c\u304f\u3089\u3044\u5f71\u97ff\u3092\u53d7\u3051\u308b\u306e\u304b\uff1f<\/p>\n
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