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\/>\n\u307e\u305f\u3001WebP\u306a\u3069\u306e\u65b0\u3057\u3044\u5f62\u5f0f\u306f\u3001\u3055\u3089\u306b\u5727\u7e2e\u52b9\u7387\u304c\u9ad8\u3044\u3067\u3059\u3002<\/li>\n<li><strong>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u753b\u50cf\u306e\u4f7f\u7528<\/strong>: <code>&lt;img srcset&gt;<\/code> \u5c5e\u6027\u3092\u6d3b\u7528\u3057\u3001\u753b\u9762\u30b5\u30a4\u30ba\u306b\u5fdc\u3058\u305f\u753b\u50cf\u3092\u914d\u4fe1\u3057\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3088\u308a\u30e2\u30d0\u30a4\u30eb\u74b0\u5883\u3067\u306e\u5e2f\u57df\u4f7f\u7528\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>2. \u52d5\u753b\u306e\u6700\u9069\u5316<\/h3>\n<ul>\n<li><strong>\u52d5\u753b\u306e\u5727\u7e2e<\/strong>: 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\u958b\u767a\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u4e0d\u8981\u306b\u306a\u3063\u305fJavaScript\u3084CSS\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u3001\u524a\u9664\u3057\u307e\u3059\u3002<br \/>\n\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u3068\u3001\u672a\u4f7f\u7528\u306e\u30b3\u30fc\u30c9\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li><strong>\u30b3\u30fc\u30c9\u306e\u7e2e\u5c0f\u3068\u7d50\u5408<\/strong>: CSS\u3084JavaScript\u3092\u7e2e\u5c0f\u5316\uff08minify\uff09\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4e00\u3064\u306b\u7d50\u5408\u3057\u3066\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002<\/li>\n<li><strong>\u975e\u540c\u671f\u8aad\u307f\u8fbc\u307f<\/strong>: <code>&lt;script&gt;<\/code> \u30bf\u30b0\u306b <code>async<\/code> \u3084 <code>defer<\/code> \u5c5e\u6027\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u30da\u30fc\u30b8\u306e\u8868\u793a\u3092\u30d6\u30ed\u30c3\u30af\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>4. \u30b5\u30fc\u30d0\u30fc\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6700\u9069\u5316<\/h3>\n<ul>\n<li><strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u306e\u4f7f\u7528<\/strong>: \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u4e16\u754c\u4e2d\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5730\u7406\u7684\u306b\u8fd1\u3044\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u306e\u77ed\u7e2e<\/strong>: \u9ad8\u901f\u306a\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u629e\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u6700\u9069\u5316\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b9f\u88c5\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30af\u30a8\u30ea\u6570\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>5. \u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306e\u5b9f\u88c5<\/h3>\n<ul>\n<li><strong>\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>: \u30b5\u30fc\u30d0\u30fc\u306e\u30d8\u30c3\u30c0\u30fc\u3092\u8a2d\u5b9a\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u9759\u7684\u30ea\u30bd\u30fc\u30b9\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u305b\u307e\u3059\u3002<br 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