Web\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u6539\u5584\u3059\u308b\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u30c6\u30af\u30cb\u30c3\u30af\u304c\u3042\u308a\u307e\u3059\u304b\uff1f
\nWeb\u30da\u30fc\u30b8\u306e\u9ad8\u901f\u5316\u306f\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u5411\u4e0a\u3084SEO\u5bfe\u7b56\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306b\u8ff0\u3079\u308b\u8907\u6570\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001Web\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u306e\u6700\u9069\u5316<\/p>\n
\u30c6\u30af\u30cb\u30c3\u30af \u753b\u50cf\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u305f\u3081\u306b\u3001JPEG\u3084PNG\u306e\u5727\u7e2e\u3092\u884c\u3044\u3001\u9069\u5207\u306a\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff08\u4f8b\u3048\u3070\u3001WebP\u3084AVIF\uff09\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\uff08Lazy Loading\uff09\u3092\u6d3b\u7528\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u306b\u5408\u308f\u305b\u3066\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u3080\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u306b\u5927\u304d\u306a\u753b\u50cf\u306f\u30c7\u30fc\u30bf\u91cf\u304c\u591a\u304f\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u9577\u304f\u306a\u308b\u305f\u3081\u3001\u5727\u7e2e\u3084\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3067\u8efd\u91cf\u5316\u3059\u308b\u3053\u3068\u306f\u6709\u52b9\u3067\u3059\u3002<\/p>\n
JavaScript\u3068CSS\u306e\u6700\u9069\u5316<\/p>\n
\u30c6\u30af\u30cb\u30c3\u30af JavaScript\u3084CSS\u30d5\u30a1\u30a4\u30eb\u306e\u30df\u30cb\u30d5\u30a1\u30a4\uff08\u4e0d\u8981\u306a\u30b9\u30da\u30fc\u30b9\u3084\u30b3\u30e1\u30f3\u30c8\u3092\u524a\u9664\u3059\u308b\uff09\u3092\u884c\u3044\u3001\u30b3\u30fc\u30c9\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u7d50\u5408\u3057\u305f\u308a\u3001\u975e\u540c\u671f\u306b\u8aad\u307f\u8fbc\u3080\uff08async\uff09\u8a2d\u5b9a\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u30df\u30cb\u30d5\u30a1\u30a4\u3084\u975e\u540c\u671f\u8aad\u307f\u8fbc\u307f\u306b\u3088\u308a\u3001\u30da\u30fc\u30b8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u4f53\u611f\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u306e\u5229\u7528<\/p>\n
\u30c6\u30af\u30cb\u30c3\u30af \u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u5206\u6563\u3057\u305fCDN\u3092\u6d3b\u7528\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u6700\u3082\u8fd1\u3044\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3059\u308b\u3053\u3068\u3067\u3001\u5f85\u3061\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u5730\u7406\u7684\u306b\u5206\u6563\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u914d\u4fe1\u306f\u3001\u9045\u5ef6\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3059\u308b\u305f\u3081\u3001\u9ad8\u901f\u5316\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n
\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/p>\n
\u30c6\u30af\u30cb\u30c3\u30af HTTP\u30d8\u30c3\u30c0\u30fc\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6709\u52b9\u671f\u9650\u3092\u8a2d\u5b9a\u3057\u3001\u518d\u8a2a\u554f\u6642\u306b\u30d6\u30e9\u30a6\u30b6\u304c\u30ea\u30bd\u30fc\u30b9\u3092\u518d\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u4e00\u5ea6\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u3001\u6b21\u56de\u4ee5\u964d\u306e\u30a2\u30af\u30bb\u30b9\u304c\u8fc5\u901f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3068\u30e2\u30d0\u30a4\u30eb\u6700\u9069\u5316<\/p>\n
\u30c6\u30af\u30cb\u30c3\u30af \u30b5\u30a4\u30c8\u3092\u30e2\u30d0\u30a4\u30eb\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306b\u8a2d\u8a08\u3057\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3092\u63a1\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u30e2\u30d0\u30a4\u30eb\u5411\u3051\u306b\u8efd\u91cf\u5316\u3055\u308c\u305fCSS\u3084JavaScript\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306fPC\u3088\u308a\u3082\u56de\u7dda\u72b6\u6cc1\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044\u305f\u3081\u3001\u8efd\u91cf\u5316\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n
\u30b5\u30fc\u30d0\u30fc\u306e\u6700\u9069\u5316<\/p>\n
\u30c6\u30af\u30cb\u30c3\u30af \u3088\u308a\u9ad8\u901f\u306a\u30b5\u30fc\u30d0\u30fc\u30b9\u30da\u30c3\u30af\u3084\u3001HTTP\/2\u3001HTTP\/3\u7b49\u306e\u65b0\u3057\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5229\u7528\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001gzip\u3084Brotli\u3068\u3044\u3063\u305f\u5727\u7e2e\u6280\u8853\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u9ad8\u901f\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u30c7\u30fc\u30bf\u5727\u7e2e\u306f\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3078\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002<\/p>\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584<\/p>\n
\u30c6\u30af\u30cb\u30c3\u30af \u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3001\u5fc5\u8981\u306e\u306a\u3044\u30af\u30a8\u30ea\u306e\u524a\u9664\u306a\u3069\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5fdc\u7b54\u901f\u5ea6\u304c\u901f\u3044\u3068\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u751f\u6210\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001Web\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u5927\u5e45\u306b\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30e6\u30fc\u30b6\u30fc\u306e\u96e2\u8131\u7387\u306e\u4f4e\u4e0b\u3001SEO\u306e\u5411\u4e0a\u3001\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u308b\u305f\u3081\u3001\u7a4d\u6975\u7684\u306a\u6700\u9069\u5316\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30fc\u30d0\u30fc\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3069\u306e\u3088\u3046\u306a\u6700\u9069\u5316\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f
\nWeb\u30da\u30fc\u30b8\u306e\u9ad8\u901f\u5316\u3092\u56f3\u308b\u305f\u3081\u306b\u30b5\u30fc\u30d0\u30fc\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u6700\u9069\u5316\u624b\u6cd5\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306f\u305d\u306e\u4e3b\u306a\u624b\u6cd5\u3068\u305d\u306e\u6839\u62e0\u3067\u3059\u3002<\/p>\n
\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306e\u6d3b\u7528<\/p>\n
\u5185\u5bb9 \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3084\u30ea\u30bd\u30fc\u30b9\u3092\u30b5\u30fc\u30d0\u30fc\u5074\u307e\u305f\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306b\u4fdd\u5b58\u3057\u3001\u518d\u5ea6\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u969b\u306b\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/p>\n
\u6839\u62e0 \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6e1b\u5c11\u3055\u305b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3059\u308b\u30ec\u30b9\u30dd\u30f3\u30b9\u6642\u9593\u3082\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n
CDN\uff08Content Delivery Network\uff09\u3092\u4f7f\u3046\u3068\u3001\u5730\u7406\u7684\u306b\u8fd1\u3044\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3067\u304d\u308b\u305f\u3081\u3001\u3055\u3089\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n
\u753b\u50cf\u3084\u30ea\u30bd\u30fc\u30b9\u306e\u6700\u9069\u5316<\/p>\n
\u5185\u5bb9 \u4f7f\u7528\u3055\u308c\u308b\u753b\u50cf\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u5727\u7e2e\u3057\u3001\u53ef\u80fd\u306a\u9650\u308a\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u3002<\/p>\n
\u307e\u305f\u3001\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u9069\u5207\u306b\u9078\u629e\u3059\u308b\u3002<\/p>\n
\u6839\u62e0 \u7121\u99c4\u306b\u5927\u304d\u306a\u753b\u50cf\u3084\u30ea\u30bd\u30fc\u30b9\u306f\u3001\u30da\u30fc\u30b8\u306e\u30ed\u30fc\u30c9\u6642\u9593\u3092\u9045\u5ef6\u3055\u305b\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u5727\u7e2e\u30c4\u30fc\u30eb\uff08\u4f8b\u3000JPEG\u3001PNG\u5727\u7e2e\uff09\u3084CSS\/JavaScript\u306e\u30df\u30cb\u30d5\u30a1\u30a4\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u304c\u6e1b\u5c11\u3057\u3001\u30ed\u30fc\u30c9\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n
\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306e\u5b9f\u88c5<\/p>\n
\u5185\u5bb9 \u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u6642\u306b\u5fc5\u8981\u4e0d\u53ef\u6b20\u3067\u306a\u3044\u8981\u7d20\uff08\u753b\u50cf\u3084\u30b9\u30af\u30ea\u30d7\u30c8\uff09\u306e\u8aad\u307f\u8fbc\u307f\u3092\u9045\u5ef6\u3055\u305b\u308b\u3002<\/p>\n
\u6839\u62e0 Lazy Loading\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u521d\u671f\u30ed\u30fc\u30c9\u306b\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u91cf\u3092\u524a\u6e1b\u3057\u3001\u30da\u30fc\u30b8\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u65e9\u304f\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u3001\u3059\u3050\u306b\u898b\u3048\u306a\u3044\u753b\u50cf\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8aad\u307f\u8fbc\u307f\u3092\u5f8c\u56de\u3057\u306b\u3067\u304d\u3001UX\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n
HTTP\/2\u3084HTTP\/3\u306e\u5229\u7528<\/p>\n
\u5185\u5bb9 \u65b0\u3057\u3044HTTP\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6d3b\u7528\u3057\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u52b9\u7387\u3092\u9ad8\u3081\u308b\u3002<\/p>\n
\u6839\u62e0 HTTP\/2\u304a\u3088\u3073HTTP\/3\u306f\u3001\u4e00\u3064\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3067\u8907\u6570\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4e26\u884c\u51e6\u7406\u3067\u304d\u3001\u30da\u30fc\u30b8\u304c\u9ad8\u901f\u306b\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u30d8\u30c3\u30c0\u30fc\u306e\u5727\u7e2e\u3084\u30b5\u30fc\u30d0\u30fc\u30d7\u30c3\u30b7\u30e5\u6a5f\u80fd\u306b\u3088\u3063\u3066\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u304c\u6700\u9069\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\uff08SSR\uff09\u306e\u5c0e\u5165<\/p>\n
\u5185\u5bb9 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u3067\u306a\u304f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067HTML\u3092\u751f\u6210\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u9001\u4fe1\u3059\u308b\u3002<\/p>\n
\u6839\u62e0 SSR\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u521d\u671f\u30ed\u30fc\u30c9\u6642\u306b\u5b8c\u5168\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u3001\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n
\u7279\u306bSEO\u3084\u521d\u56de\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u306e\u6539\u5584\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6700\u9069\u5316<\/p>\n
\u5185\u5bb9 \u30af\u30a8\u30ea\u306e\u52b9\u7387\u5316\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5229\u7528\u3001\u4e0d\u8981\u306a\u30c7\u30fc\u30bf\u306e\u524a\u9664\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u69cb\u9020\u3084\u30af\u30a8\u30ea\u3092\u6700\u9069\u5316\u3059\u308b\u3002<\/p>\n
\u6839\u62e0 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u51e6\u7406\u304c\u52b9\u7387\u7684\u3067\u306a\u3044\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n
\u30af\u30a8\u30ea\u306e\u6700\u9069\u5316\u3084\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5fdc\u7b54\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u624b\u6cd5\u306f\u3001\u591a\u304f\u306eWeb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5c02\u9580\u5bb6\u3084\u4f01\u696d\u306b\u3088\u3063\u3066\u5b9f\u8df5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u6700\u9069\u5316\u3092\u901a\u3058\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u5411\u4e0a\u3084\u30ea\u30bd\u30fc\u30b9\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u304c\u56f3\u308c\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u3084\u30e1\u30c7\u30a3\u30a2\u30d5\u30a1\u30a4\u30eb\u3092\u5727\u7e2e\u3059\u308b\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f
\nWeb\u30da\u30fc\u30b8\u306e\u9ad8\u901f\u5316\u306b\u304a\u3044\u3066\u3001\u753b\u50cf\u3084\u30e1\u30c7\u30a3\u30a2\u30d5\u30a1\u30a4\u30eb\u3092\u5727\u7e2e\u3059\u308b\u3053\u3068\u306f\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002<\/p>\n
\u5727\u7e2e\u306b\u3088\u308a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u6642\u9593\u3092\u77ed\u7e2e\u3057\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306b\u3001\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u3001\u305d\u306e\u6839\u62e0\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u9078\u629e<\/p>\n
\u753b\u50cf\u306b\u306f\u4e00\u822c\u7684\u306bJPEG\u3001PNG\u3001GIF\u3001WebP\u3001SVG\u306a\u3069\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u305d\u308c\u305e\u308c\u306b\u9069\u3057\u305f\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
JPEG\u306f\u5199\u771f\u306a\u3069\u8272\u306e\u591a\u3044\u753b\u50cf\u306b\u5411\u3044\u3066\u304a\u308a\u3001\u5727\u7e2e\u7387\u304c\u9ad8\u3044\u3002<\/p>\n
PNG\u306f\u900f\u904e\u3084\u7d30\u304b\u3044\u30c7\u30a3\u30c6\u30fc\u30eb\u304c\u5fc5\u8981\u306a\u753b\u50cf\u306b\u4f7f\u3044\u307e\u3059\u304c\u3001JPEG\u3088\u308a\u3082\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
GIF\u306f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u9759\u6b62\u753b\u306b\u306f\u3042\u307e\u308a\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n
WebP\u306fJPEG\u3084PNG\u3088\u308a\u3082\u9ad8\u52b9\u7387\u306a\u5727\u7e2e\u304c\u53ef\u80fd\u3067\u3001Web\u5168\u4f53\u3067\u306e\u63a1\u7528\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n
SVG\u306f\u30d9\u30af\u30bf\u30fc\u753b\u50cf\u306b\u5229\u7528\u3057\u3001\u3069\u306e\u30b5\u30a4\u30ba\u3067\u3082\u9bae\u660e\u306b\u8868\u793a\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u30ed\u30b9\u30ec\u30b9\/\u30ed\u30b9\u5727\u7e2e\u306e\u5229\u7528<\/p>\n
\u30ed\u30b9\u30ec\u30b9\u5727\u7e2e\u3067\u306f\u753b\u50cf\u54c1\u8cea\u3092\u4fdd\u6301\u3057\u305f\u307e\u307e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u6e1b\u3089\u3057\u307e\u3059\u3002<\/p>\n
PNG\u306f\u3053\u308c\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30ed\u30b9\u5727\u7e2e\u3067\u306f\u591a\u5c11\u306e\u54c1\u8cea\u4f4e\u4e0b\u3092\u8a31\u5bb9\u3057\u3001\u3088\u308a\u9ad8\u3044\u5727\u7e2e\u7387\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n
JPEG\u306f\u5178\u578b\u7684\u306a\u30ed\u30b9\u5727\u7e2e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3059\u3002<\/p>\n
\u5727\u7e2e\u65b9\u6cd5\u306e\u9078\u629e\u306f\u3001\u753b\u50cf\u306e\u7528\u9014\u3068\u5fc5\u8981\u306a\u54c1\u8cea\u306b\u5fdc\u3058\u3066\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u9069\u5207\u306a\u89e3\u50cf\u5ea6\u3067\u4fdd\u5b58<\/p>\n
\u753b\u50cf\u3092\u5fc5\u8981\u4ee5\u4e0a\u306b\u9ad8\u89e3\u50cf\u5ea6\u3067\u7528\u610f\u3059\u308b\u3068\u3001\u7121\u99c4\u306b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u5b9f\u969b\u306b\u8868\u793a\u3059\u308b\u30b5\u30a4\u30ba\u306b\u5fdc\u3058\u305f\u89e3\u50cf\u5ea6\u3067\u4fdd\u5b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u9ad8\u89e3\u50cf\u5ea6\u306e\u753b\u50cf\u304c\u5fc5\u8981\u306a\u5834\u5408\u3067\u3082\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u753b\u50cf\u6280\u8853\u3092\u6d3b\u7528\u3057\u3066\u7570\u306a\u308b\u89e3\u50cf\u5ea6\u306e\u753b\u50cf\u3092\u7528\u610f\u3057\u3001\u30c7\u30d0\u30a4\u30b9\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u753b\u50cf\u3092\u914d\u4fe1\u3059\u308b\u3053\u3068\u304c\u6709\u52b9\u3067\u3059\u3002<\/p>\n
\u4e00\u62ec\u5727\u7e2e\u30c4\u30fc\u30eb\u306e\u5229\u7528<\/p>\n
TinyPNG\u3084ImageOptim\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001\u4e00\u62ec\u3067\u753b\u50cf\u306e\u5727\u7e2e\u3092\u52b9\u7387\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u99c6\u4f7f\u3057\u3001\u6700\u9069\u306a\u5727\u7e2e\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n
\u7279\u306b\u753b\u50cf\u304c\u5927\u91cf\u306b\u3042\u308b\u5834\u5408\u3001\u624b\u4f5c\u696d\u3067\u306f\u306a\u304f\u3053\u308c\u3089\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u751f\u7523\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n
\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5229\u7528<\/p>\n
\u5727\u7e2e\u3060\u3051\u3067\u306a\u304f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u518d\u5ea6\u540c\u3058\u753b\u50cf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u3092\u6e1b\u3089\u3057\u3001\u3055\u3089\u306b\u9ad8\u901f\u5316\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n
Cache-Control\u30d8\u30c3\u30c0\u3092\u9069\u5b9c\u8a2d\u5b9a\u3057\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u5074\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u52b9\u7387\u7684\u306b\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0
\n\u3053\u308c\u3089\u306e\u65b9\u6cd5\u306f\u3001Web\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u306e\u57fa\u672c\u306b\u57fa\u3065\u3044\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u7814\u7a76\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u88cf\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001Google\u306fPageSpeed Insights\u3084Lighthouse\u3067\u3001\u753b\u50cf\u306e\u5727\u7e2e\u3068\u6700\u9069\u5316\u3092\u91cd\u8981\u306a\u8a55\u4fa1\u57fa\u6e96\u3068\u3057\u3066\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001W3C\u3084HTTP Archive\u306e\u30c7\u30fc\u30bf\u3082\u3001\u753b\u50cf\u5727\u7e2e\u306e\u91cd\u8981\u6027\u3068\u305d\u306e\u52b9\u679c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u3001\u9069\u5207\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u753b\u50cf\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u3001\u5e2f\u57df\u5e45\u306e\u7bc0\u7d04\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n
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