\u30da\u30fc\u30b8\u901f\u5ea6\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u6700\u521d\u306b\u30c1\u30a7\u30c3\u30af\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u306f\u4f55\u3067\u3059\u304b\uff1f
\n\u30da\u30fc\u30b8\u901f\u5ea6\u306e\u6539\u5584\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u5411\u4e0a\u3084SEO\u8a55\u4fa1\u306e\u5411\u4e0a\u306a\u3069\u3001\u591a\u304f\u306e\u5229\u70b9\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002<\/p>\n
\u6700\u521d\u306b\u30c1\u30a7\u30c3\u30af\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u8981\u7d20\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n
1. \u753b\u50cf\u306e\u6700\u9069\u5316<\/p>\n
\u30dd\u30a4\u30f3\u30c8 \u9ad8\u89e3\u50cf\u5ea6\u306e\u753b\u50cf\u306f\u30da\u30fc\u30b8\u306e\u30ed\u30fc\u30c9\u6642\u9593\u3092\u5927\u5e45\u306b\u5ef6\u3070\u3057\u307e\u3059\u3002<\/p>\n
\u5bfe\u7b56 \u753b\u50cf\u5727\u7e2e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3057\u305f\u308a\u3001WebP\u5f62\u5f0f\u306a\u3069\u306e\u6700\u65b0\u306e\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u753b\u50cf\u306f\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u5bb9\u91cf\u306e\u5927\u90e8\u5206\u3092\u5360\u3081\u308b\u305f\u3081\u3001\u6700\u9069\u5316\u306b\u3088\u308b\u52b9\u679c\u306f\u5927\u304d\u3044\u3067\u3059\u3002<\/p>\n
2. \u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/p>\n
\u30dd\u30a4\u30f3\u30c8 \u30e6\u30fc\u30b6\u30fc\u304c\u518d\u8a2a\u554f\u3059\u308b\u969b\u306b\u30da\u30fc\u30b8\u306e\u518d\u8aad\u307f\u8fbc\u307f\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u5bfe\u7b56 \u9069\u5207\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u8a2d\u5b9a\u3092\u884c\u3044\u3001\u9759\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u305b\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u524a\u6e1b\u3057\u3001\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
3. HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u524a\u6e1b<\/p>\n
\u30dd\u30a4\u30f3\u30c8 \u30da\u30fc\u30b8\u304c\u591a\u304f\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u308c\u305e\u308c\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30ed\u30fc\u30c9\u6642\u9593\u3092\u5897\u5927\u3055\u305b\u307e\u3059\u3002<\/p>\n
\u5bfe\u7b56 CSS\u3084JavaScript\u30d5\u30a1\u30a4\u30eb\u3092\u7d71\u5408\u3057\u3001\u4e0d\u8981\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 HTTP\/1.1\u3067\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3054\u3068\u306b\u65b0\u3057\u3044\u63a5\u7d9a\u304c\u5fc5\u8981\u306a\u305f\u3081\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u306e\u524a\u6e1b\u306f\u901f\u5ea6\u5411\u4e0a\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n
4. \u975e\u540c\u671f\u306eJavaScript\u3068CSS\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f<\/p>\n
\u30dd\u30a4\u30f3\u30c8 \u30da\u30fc\u30b8\u306e\u6700\u521d\u306e\u8868\u793a\u901f\u5ea6\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u3001\u975e\u540c\u671f\u3067\u30ea\u30bd\u30fc\u30b9\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n
\u5bfe\u7b56 async\u3084defer\u5c5e\u6027\u3092\u4f7f\u3044\u3001\u30da\u30fc\u30b8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3057\u306a\u3044\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u4e00\u5ea6\u306b\u5927\u91cf\u306eJavaScript\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u306f\u3001\u30da\u30fc\u30b8\u306e\u30ed\u30fc\u30c9\u3092\u9045\u5ef6\u3055\u305b\u308b\u305f\u3081\u975e\u540c\u671f\u5316\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n
5. \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u914d\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u306e\u5229\u7528<\/p>\n
\u30dd\u30a4\u30f3\u30c8 \u30e6\u30fc\u30b6\u30fc\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u5730\u7406\u7684\u8ddd\u96e2\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u5bfe\u7b56 CDN\u3092\u5229\u7528\u3057\u3066\u3001\u4e16\u754c\u4e2d\u306e\u7570\u306a\u308b\u62e0\u70b9\u304b\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u5730\u7406\u7684\u306b\u5206\u6563\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c7\u30fc\u30bf\u3092\u914d\u4fe1\u3059\u308b\u3053\u3068\u3067\u3001\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u5927\u5e45\u306b\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n
6. \u4e0d\u8981\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u524a\u9664<\/p>\n
\u30dd\u30a4\u30f3\u30c8 \u4e0d\u8981\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u30da\u30fc\u30b8\u901f\u5ea6\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u5bfe\u7b56 \u672c\u5f53\u306b\u5fc5\u8981\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u307f\u3092\u5229\u7528\u3057\u3001\u4e0d\u8981\u306a\u3082\u306e\u306f\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u4e0d\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3001\u4fdd\u5b88\u3082\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
7. \u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u306e\u6539\u5584<\/p>\n
\u30dd\u30a4\u30f3\u30c8 \u30b5\u30fc\u30d0\u30fc\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u304c\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002<\/p>\n
\u5bfe\u7b56 \u9ad8\u901f\u306a\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u305f\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 Google\u306ePageSpeed Insights\u3067\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u304c200ms\u4ee5\u4e0b\u3067\u3042\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8e0f\u307e\u3048\u3001\u5177\u4f53\u7684\u306a\u6539\u5584\u7b56\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30da\u30fc\u30b8\u901f\u5ea6\u306f\u5927\u5e45\u306b\u5411\u4e0a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u5404\u30dd\u30a4\u30f3\u30c8\u3067\u5177\u4f53\u7684\u306a\u30c4\u30fc\u30eb\u3084\u30c6\u30af\u30cb\u30c3\u30af\u3092\u6d3b\u7528\u3059\u308b\u3068\u3001\u3088\u308a\u5b9f\u969b\u306e\u958b\u767a\u30fb\u6539\u5584\u306e\u73fe\u5834\u3067\u5373\u5ea7\u306b\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30a4\u30c8\u306e\u753b\u50cf\u3084\u52d5\u753b\u306e\u6700\u9069\u5316\u306f\u3069\u306e\u3088\u3046\u306b\u884c\u3046\u3079\u304d\u3067\u3059\u304b\uff1f
\n\u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u901f\u5ea6\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u3001\u753b\u50cf\u3084\u52d5\u753b\u306e\u6700\u9069\u5316\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u3082\u826f\u3044\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306b\u3001\u753b\u50cf\u53ca\u3073\u52d5\u753b\u306e\u6700\u9069\u5316\u65b9\u6cd5\u3068\u305d\u306e\u6839\u62e0\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u306e\u6700\u9069\u5316<\/p>\n
\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u9078\u3076<\/p>\n
JPEG\u306f\u5199\u771f\u3084\u8907\u96d1\u306a\u753b\u50cf\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u3092\u52b9\u7387\u7684\u306b\u884c\u3048\u308b\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
PNG\u306f\u900f\u904e\u304c\u5fc5\u8981\u306a\u5834\u5408\u3084\u3001\u7dda\u753b\u3001\u30ed\u30b4\u306a\u3069\u306e\u5358\u7d14\u306a\u753b\u50cf\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n
WebP\u306fJPEG\u3084PNG\u3088\u308a\u3082\u5727\u7e2e\u52b9\u7387\u304c\u9032\u3093\u3067\u304a\u308a\u3001\u540c\u7b49\u307e\u305f\u306f\u305d\u308c\u4ee5\u4e0a\u306e\u753b\u8cea\u3067\u3088\u308a\u5c0f\u3055\u306a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u306e\u5727\u7e2e<\/p>\n
\u753b\u50cf\u3092\u5727\u7e2e\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u306b\u306fLossy\u3068Lossless\u306e\u4e8c\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
Lossy\u306f\u82e5\u5e72\u306e\u753b\u8cea\u4f4e\u4e0b\u3092\u4f34\u3044\u307e\u3059\u304c\u3001\u3088\u308a\u5c0f\u3055\u306a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u30c4\u30fc\u30eb\u3068\u3057\u3066\u306f\u3001TinyPNG\u3001JPEG Optimizer\u3001ImageOptim\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u9069\u5207\u306a\u89e3\u50cf\u5ea6\u3092\u4f7f\u7528\u3059\u308b<\/p>\n
\u753b\u50cf\u306e\u89e3\u50cf\u5ea6\u306f\u3001\u8868\u793a\u753b\u9762\u306b\u5408\u308f\u305b\u3066\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n
\u5fc5\u8981\u4ee5\u4e0a\u306b\u9ad8\u3044\u89e3\u50cf\u5ea6\u306f\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u5ef6\u3070\u3059\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u7528\u306b\u306f\u5c0f\u3055\u306a\u89e3\u50cf\u5ea6\u3092\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7528\u306b\u306f\u3084\u3084\u5927\u304d\u306a\u89e3\u50cf\u5ea6\u3092\u7528\u610f\u3059\u308b\u306a\u3069\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306b\u5bfe\u5fdc\u3057\u305f\u753b\u50cf\u3092\u6e96\u5099\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u9045\u5ef6\u8aad\u307f\u8fbc\u307f(Lazy Loading)<\/p>\n
\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u6642\u306b\u5168\u3066\u306e\u753b\u50cf\u3092\u4e00\u5ea6\u306b\u8aad\u307f\u8fbc\u3080\u306e\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u753b\u50cf\u304c\u8868\u793a\u3055\u308c\u308b\u5fc5\u8981\u304c\u51fa\u3066\u304d\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u3080\u624b\u6cd5\u3067\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u3001\u521d\u56de\u306e\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u52d5\u753b\u306e\u6700\u9069\u5316<\/p>\n
\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u9078\u3076<\/p>\n
\u52d5\u753b\u306e\u5834\u5408\u3001MP4\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n
\u3053\u308c\u306f\u307b\u3068\u3093\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u518d\u751f\u53ef\u80fd\u3067\u3001\u9ad8\u3044\u5727\u7e2e\u7387\u3068\u753b\u8cea\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
WebM\u3082\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u304a\u308a\u3001\u512a\u308c\u305f\u5727\u7e2e\u6027\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u306e\u5236\u5fa1<\/p>\n
\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/p>\n
\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u52d5\u753b\u306e\u5834\u5408\u3001\u9069\u5207\u306a\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u306e\u6642\u9593\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u52d5\u753b\u306e\u9577\u3055\u3068\u5185\u5bb9\u306e\u6700\u9069\u5316<\/p>\n
\u4e0d\u8981\u306a\u90e8\u5206\u3092\u30ab\u30c3\u30c8\u3057\u3001\u30b7\u30fc\u30f3\u3092\u77ed\u7e2e\u3059\u308b\u3053\u3068\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059\u3002<\/p>\n
CDN\u306e\u5229\u7528<\/p>\n
\u52d5\u753b\u3092\u5c02\u9580\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(CDN)\u3092\u4ecb\u3057\u3066\u914d\u4fe1\u3059\u308b\u3053\u3068\u3067\u3001\u5730\u7406\u7684\u306b\u96e2\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u914d\u4fe1\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u6839\u62e0<\/p>\n
\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u624b\u6cd5\u304c\u63a8\u5968\u3055\u308c\u308b\u7406\u7531\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u70b9\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u5411\u4e0a \u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u901f\u304f\u306a\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30b9\u30c8\u30ec\u30b9\u306a\u304f\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306f\u30da\u30fc\u30b8\u306e\u96e2\u8131\u7387\u3092\u6e1b\u5c11\u3055\u305b\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u6ede\u5728\u6642\u9593\u3092\u5ef6\u3070\u3057\u307e\u3059\u3002<\/p>\n
\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u6700\u9069\u5316(SEO) Google\u306a\u3069\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306f\u3001\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u3092\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u306e\u4e00\u3064\u3068\u3057\u3066\u8003\u616e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u9ad8\u901f\u306a\u30b5\u30a4\u30c8\u306f\u3001\u691c\u7d22\u7d50\u679c\u3067\u306e\u9806\u4f4d\u304c\u4e0a\u6607\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30e2\u30d0\u30a4\u30eb\u30e6\u30fc\u30b6\u30fc\u306e\u5897\u52a0 \u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30bf\u30d6\u30ec\u30c3\u30c8\u3067\u306e\u95b2\u89a7\u304c\u5897\u52a0\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901f\u5ea6\u304c\u9045\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u3084\u52d5\u753b\u306e\u6700\u9069\u5316\u306b\u3088\u308a\u3001\u30e2\u30d0\u30a4\u30eb\u30e6\u30fc\u30b6\u30fc\u306b\u3082\u5feb\u9069\u306a\u95b2\u89a7\u4f53\u9a13\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u624b\u6cd5\u3068\u6839\u62e0\u3092\u5143\u306b\u3001\u30da\u30fc\u30b8\u901f\u5ea6\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30da\u30fc\u30b8\u901f\u5ea6\u6539\u5584\u306b\u52b9\u679c\u7684\u306a\u30c4\u30fc\u30eb\u3084\u6280\u6cd5\u306f\u3042\u308a\u307e\u3059\u304b\uff1f
\n\u30da\u30fc\u30b8\u901f\u5ea6\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u5411\u4e0a\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u5411\u4e0a\u3001\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u306e\u4e0a\u6607\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u305d\u308c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u6280\u6cd5\u3068\u30c4\u30fc\u30eb\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30da\u30fc\u30b8\u901f\u5ea6\u6539\u5584\u306e\u6280\u6cd5<\/p>\n
\u753b\u50cf\u306e\u6700\u9069\u5316<\/p>\n
\u753b\u50cf\u306f\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u3092\u7e2e\u5c0f\u3057\u3001\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff08\u4f8b\u3000JPEG\u3001PNG\u3001WebP\uff09\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u30da\u30fc\u30b8\u30b9\u30d4\u30fc\u30c9\u3092\u5927\u5e45\u306b\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/p>\n
\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6b21\u56de\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u306b\u30da\u30fc\u30b8\u3092\u8fc5\u901f\u306b\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n
\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u30b3\u30fc\u30c9\u306e\u30df\u30cb\u30d5\u30a1\u30a4\u5316<\/p>\n
HTML\u3001CSS\u3001JavaScript\u3092\u30df\u30cb\u30d5\u30a1\u30a4\uff08\u4e0d\u8981\u306a\u30b9\u30da\u30fc\u30b9\u3084\u30b3\u30e1\u30f3\u30c8\u3092\u524a\u9664\uff09\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09<\/p>\n
CDN\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5730\u7406\u7684\u306b\u8fd1\u3044\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3059\u308b\u3053\u3068\u3067\u3001\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306f\u7279\u306b\u56fd\u969b\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u5c64\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n
JavaScript\u3068CSS\u306e\u975e\u540c\u671f\u8aad\u307f\u8fbc\u307f<\/p>\n
JavaScript\u3068CSS\u30d5\u30a1\u30a4\u30eb\u3092\u975e\u540c\u671f\u3067\u8aad\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u4ed6\u306e\u30da\u30fc\u30b8\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8aad\u307f\u8fbc\u307f\u3092\u59a8\u5bb3\u3057\u307e\u305b\u3093\u3002<\/p>\n
HTTP\/2\u306e\u6d3b\u7528<\/p>\n
HTTP\/2\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u52b9\u7387\u304c\u5411\u4e0a\u3057\u3001\u30da\u30fc\u30b8\u901f\u5ea6\u304c\u6539\u5584\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u30da\u30fc\u30b8\u901f\u5ea6\u6539\u5584\u30c4\u30fc\u30eb<\/p>\n
Google PageSpeed Insights<\/p>\n
\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u901f\u5ea6\u3092\u30b9\u30b3\u30a2\u5316\u3057\u3001\u5177\u4f53\u7684\u306a\u6539\u5584\u70b9\u3092\u63d0\u793a\u3057\u307e\u3059\u3002<\/p>\n
\u30e2\u30d0\u30a4\u30eb\u3068\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u4e21\u65b9\u3067\u5206\u6790\u3057\u3001\u6700\u3082\u30a4\u30f3\u30d1\u30af\u30c8\u306e\u3042\u308b\u8981\u7d20\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n
GTmetrix<\/p>\n
\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5305\u62ec\u7684\u306b\u5206\u6790\u3057\u3001\u591a\u69d8\u306a\u8981\u7d20\u306b\u3088\u308b\u8a55\u4fa1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
\u5177\u4f53\u7684\u306a\u6539\u5584\u6848\u3068\u5171\u306b\u3001\u8ca0\u8377\u6642\u9593\u3084\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
WebPageTest<\/p>\n
\u8a73\u7d30\u306a\u30ec\u30dd\u30fc\u30c8\u3068\u5171\u306b\u3001\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u306e\u8996\u899a\u7684\u306a\u9032\u884c\u5177\u5408\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u5404\u8981\u7d20\u304c\u30ed\u30fc\u30c9\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u5206\u6790\u3067\u304d\u307e\u3059\u3002<\/p>\n
Lighthouse<\/p>\n
Google\u304c\u63d0\u4f9b\u3059\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u3067\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3001PWA\u306e\u3055\u3089\u306a\u308b\u5206\u6790\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n
\u6839\u62e0<\/p>\n
\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9<\/p>\n
\u30da\u30fc\u30b8\u901f\u5ea6\u304c\u9045\u3044\u3068\u3001\u76f4\u5e30\u7387\u304c\u9ad8\u304f\u306a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5225\u306e\u30b5\u30a4\u30c8\u306b\u79fb\u52d5\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u7279\u306b\u30e2\u30d0\u30a4\u30eb\u30e6\u30fc\u30b6\u30fc\u306f\u5fdc\u7b54\u901f\u5ea6\u306b\u654f\u611f\u3067\u3042\u308b\u3053\u3068\u304c\u7814\u7a76\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
SEO\u3078\u306e\u5f71\u97ff<\/p>\n
Google\u306f\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u306e\u4e00\u3064\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u901f\u5ea6\u6539\u5584\u306f\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u9806\u4f4d\u5411\u4e0a\u306b\u5bc4\u4e0e\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387<\/p>\n
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