{"id":12632,"date":"2026-02-25T07:48:50","date_gmt":"2026-02-25T07:48:50","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=12632"},"modified":"2026-07-01T15:29:04","modified_gmt":"2026-07-01T15:29:04","slug":"partytown-web-performance","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/partytown-web-performance\/","title":{"rendered":"\u3010\u6700\u65b0\u6280\u8853\u3011Partytown\u3067\u5b9f\u73fe\u3059\u308bWeb\u5236\u4f5c\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\uff5c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u5316\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"
\"\"\u751f\u5f92<\/span><\/div>
\n

Web\u30b5\u30a4\u30c8\u304c\u91cd\u304f\u3066\u3001Lighthouse\u306e\u30b9\u30b3\u30a2\u304c\u4e0a\u304c\u3089\u306a\u3044\u3093\u3067\u3059\u3002Google Analytics\u306a\u3069\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u539f\u56e0\u307f\u305f\u3044\u3067…<\/strong><\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n

\"\"\u30da\u30f3\u535a\u58eb<\/span><\/div>
\n

\u3088\u30fc\u304f\u805e\u304f\u3093\u3060\u305e\uff01\u305d\u308c\u306a\u3089Partytown\u304c\u89e3\u6c7a\u3057\u3066\u304f\u308c\u308b\u305e\u3044\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u3092Web Worker\u3067\u5b9f\u884c\u3057\u3066\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3078\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u5316\u3059\u308b\u9769\u65b0\u7684\u306a\u6280\u8853\u306a\u3093\u3058\u3083\uff01<\/strong><\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n

\n

\u3053\u306e\u8a18\u4e8b\u3067\u308f\u304b\u308b\u3053\u3068<\/h2>\n
    \n
  • Partytown\u306e\u4ed5\u7d44\u307f\u3068\u3001\u306a\u305c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4e0b\u3052\u308b\u306e\u304b<\/li>\n
  • 3\u5c64\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\uff08\u4eee\u60f3DOM\u30fb\u540c\u671fXHR\u30fbService Worker\uff09\u306e\u6280\u8853\u7684\u306a\u52d5\u4f5c\u539f\u7406<\/li>\n
  • Next.js\u30fbReact\u30fbHTML\u30b5\u30a4\u30c8\u3078\u306e\u5177\u4f53\u7684\u306a\u5c0e\u5165\u624b\u9806\u3068\u30b3\u30fc\u30c9<\/li>\n
  • GA4\u30fbGTM\u30fbFacebook Pixel\u306e\u5b9f\u88c5\u30b3\u30fc\u30c9\u5168\u6587<\/li>\n
  • \u5c0e\u5165\u524d\u5f8c\u306eLighthouse\u30b9\u30b3\u30a2\u6bd4\u8f03\u3068\u6bb5\u968e\u7684\u5c0e\u5165\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n

    Partytown\u306f\u3001Builder.io\u304c\u958b\u767a\u3057\u305f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u3092Web Worker\u4e0a\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3078\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u5316\u3057\u307e\u3059\u3002<\/strong>Total Blocking Time\uff08TBT\uff09\u309250\u301c90%\u524a\u6e1b\u3057\u3001Lighthouse\u30b9\u30b3\u30a2\u3092\u5927\u5e45\u306b\u6539\u5584\u3067\u304d\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u4ed5\u7d44\u307f\u30fb\u5c0e\u5165\u624b\u9806\u30fb\u5bfe\u5fdc\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b8c\u5168\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

    \n\n\n\n

    \u306a\u305c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4e0b\u3052\u308b\u306e\u304b<\/h2>\n\n\n\n

    Google Analytics\u30fbGoogle Tag Manager\u30fbFacebook Pixel\u306a\u3069\u3001\u73fe\u4ee3\u306eWeb\u30b5\u30a4\u30c8\u306b\u306f\u591a\u6570\u306e\u5916\u90e8\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u60aa\u5316\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n

    \u554f\u984c1\uff1a\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u30d6\u30ed\u30c3\u30af<\/h3>\n\n\n\n

    JavaScript\u306f\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5b9f\u884c\u4e2d\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u306b\u5fdc\u7b54\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

    <!-- \u5f93\u6765\u306e\u554f\u984c\uff1a\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u306e\u5b9f\u884c -->\n<script src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=GA_MEASUREMENT_ID\"><\/script>\n<script>\n  window.dataLayer = window.dataLayer || [];\n  function gtag(){dataLayer.push(arguments);}\n  gtag('js', new Date());\n  gtag('config', 'GA_MEASUREMENT_ID');\n<\/script>\n\n<!-- \u3053\u306e\u9593\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\n     \u30e6\u30fc\u30b6\u30fc\u306e\u30af\u30ea\u30c3\u30af\u3084\u30b9\u30af\u30ed\u30fc\u30eb\u306b\u53cd\u5fdc\u3067\u304d\u306a\u3044 --><\/code><\/pre>\n\n\n\n
    \u554f\u984c2\uff1aTotal Blocking Time\uff08TBT\uff09\u306e\u5897\u52a0<\/h3>\n\n\n\n
    Lighthouse\u3067\u6e2c\u5b9a\u3055\u308c\u308bTotal Blocking Time\uff08TBT\uff09<\/strong>\u306f\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u6642\u9593\u306e\u5408\u8a08\u3067\u3059\u3002\u5178\u578b\u7684\u306a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5f71\u97ff\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n\n\n
    \u30b9\u30af\u30ea\u30d7\u30c8<\/th>\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u30d6\u30ed\u30c3\u30af\u6642\u9593<\/th><\/tr>\n<\/thead>\n
    Google Analytics<\/td>20\u301c50ms<\/td><\/tr>\n
    Google Tag Manager<\/td>50\u301c150ms<\/td><\/tr>\n
    Facebook Pixel<\/td>30\u301c80ms<\/td><\/tr>\n
    \u5e83\u544a\u30bf\u30b0\uff08\u8907\u6570\uff09<\/td>100\u301c300ms<\/td><\/tr>\n
    \u5408\u8a08<\/strong><\/td>200\u301c500ms\u4ee5\u4e0a<\/strong><\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n
    \u554f\u984c3\uff1aFirst Input Delay\uff08FID\uff09\u306e\u60aa\u5316<\/h3>\n\n\n\n
    FID\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6700\u521d\u306b\u30da\u30fc\u30b8\u3068\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\uff08\u30af\u30ea\u30c3\u30af\u3084\u30bf\u30c3\u30d7\uff09\u3057\u3066\u304b\u3089\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u5b9f\u969b\u306b\u5fdc\u7b54\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u5360\u6709\u3057\u3066\u3044\u308b\u3068\u3001FID\u304c100ms\u4ee5\u4e0a\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
    \n\n\n\n
    Partytown\u306e\u4ed5\u7d44\u307f\uff5c3\u5c64\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/h2>\n\n\n\n
    Partytown\u306f\u65e2\u5b58\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u63db\u3048\u306a\u3057\u3067Web Worker\u4e0a\u3067\u306e\u5b9f\u884c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e3\u5c64\u69cb\u9020\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
    \u30ec\u30a4\u30e4\u30fc1\uff1aWeb Worker\u5185\u306e\u4eee\u60f3DOM\u74b0\u5883<\/h3>\n\n\n
    Web Worker\u5185\u3067DOM\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08document\u30fbwindow\u30fbHTMLElement\u306a\u3069\uff09\u3092\u518d\u5b9f\u88c5\u3057\u3001\u4eee\u60f3DOM\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3053\u306e\u4eee\u60f3DOM\u3092\u64cd\u4f5c\u3057\u3001\u5b9f\u969b\u306eDOM\u30a2\u30af\u30bb\u30b9\u306f\u5185\u90e8\u3067\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n
    \/\/ Web Worker\u5185\u3067\u52d5\u4f5c\u3059\u308b\u4eee\u60f3DOM\n\/\/ document.body.clientWidth \u306a\u3069\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u30a2\u30af\u30bb\u30b9\u3092\u30ad\u30e3\u30c3\u30c1\nconst virtualDocument = {\n  get body() {\n    \/\/ \u30d7\u30ed\u30d1\u30c6\u30a3\u30a2\u30af\u30bb\u30b9\u3092\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306b\u554f\u3044\u5408\u308f\u305b\u308b\n    return proxyToMainThread('document.body');\n  }\n};\n\n\/\/ \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3053\u306e\u4eee\u60f3DOM\u3092\u64cd\u4f5c\u3059\u308b\n\/\/ \u5b9f\u969b\u306eDOM\u30a2\u30af\u30bb\u30b9\u306f\u5185\u90e8\u3067\u5909\u63db\u3055\u308c\u308b<\/code><\/pre>\n\n\n\n
    \u30ec\u30a4\u30e4\u30fc2\uff1a\u540c\u671f\u7684\u306aXMLHttpRequest<\/h3>\n\n\n
    DOM\u30d7\u30ed\u30d1\u30c6\u30a3\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u540c\u671f\u7684\u306aXMLHttpRequest<\/strong>\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u975e\u540c\u671f\u51e6\u7406\u3092\u540c\u671f\u7684\u306b\u898b\u305b\u304b\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n
    \/\/ \u30d7\u30ed\u30d1\u30c6\u30a3\u30a2\u30af\u30bb\u30b9\u3092URL\u5316\n\/\/ \u4f8b\uff1adocument.body.clientWidth\n\/\/   \u2192 \/_partytown_\/property?path=document.body.clientWidth\n\nconst xhr = new XMLHttpRequest();\nxhr.open('GET', '\/_partytown_\/property?path=document.body.clientWidth', false); \/\/ false = \u540c\u671f\nxhr.send();\n\nconst value = JSON.parse(xhr.responseText);\nreturn value; \/\/ \u540c\u671f\u7684\u306b\u5024\u3092\u8fd4\u3059<\/code><\/pre>\n\n\n\n
    \u30ec\u30a4\u30e4\u30fc3\uff1aService Worker\u306b\u3088\u308b\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8<\/h3>\n\n\n
    Service Worker\u304cXMLHttpRequest\u3092\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8\u3057\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3068\u901a\u4fe1\u3057\u3066\u5b9f\u969b\u306eDOM\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n\n\n
    \/\/ Service Worker\uff08sw.js\uff09\nself.addEventListener('fetch', (event) => {\n  const url = new URL(event.request.url);\n\n  \/\/ Partytown\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u691c\u51fa\n  if (url.pathname.startsWith('\/_partytown_\/')) {\n    event.respondWith(async () => {\n      \/\/ \u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3068\u901a\u4fe1\uff08postMessage\uff09\n      const result = await sendToMainThread({\n        type: 'property-get',\n        path: url.searchParams.get('path')\n      });\n\n      \/\/ \u7d50\u679c\u3092\u30ec\u30b9\u30dd\u30f3\u30b9\u3068\u3057\u3066\u8fd4\u3059\n      return new Response(JSON.stringify(result), {\n        headers: { 'Content-Type': 'application\/json' }\n      });\n    }());\n  }\n});<\/code><\/pre>\n\n\n\n
    \u540c\u671f\u7684DOM\u30a2\u30af\u30bb\u30b9\u306e\u5b9f\u73fe\u30d5\u30ed\u30fc<\/h3>\n\n\n
      \n
    1. Web Worker<\/strong>\uff1a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u304cdocument.body.clientWidth<\/code>\u306b\u30a2\u30af\u30bb\u30b9<\/li>\n
    2. \u4eee\u60f3DOM<\/strong>\uff1a\u30a2\u30af\u30bb\u30b9\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3001\u540c\u671fXHR\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u767a\u884c<\/li>\n
    3. Service Worker<\/strong>\uff1a\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8\u3057\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306b\u554f\u3044\u5408\u308f\u305b<\/li>\n
    4. \u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9<\/strong>\uff1a\u5b9f\u969b\u306edocument.body.clientWidth<\/code>\u306e\u5024\u3092\u8fd4\u3059<\/li>\n
    5. Service Worker<\/strong>\uff1a\u5024\u3092\u30ec\u30b9\u30dd\u30f3\u30b9\u3068\u3057\u3066\u8fd4\u3059<\/li>\n
    6. Web Worker<\/strong>\uff1a\u540c\u671f\u7684\u306b\u5024\u3092\u53d6\u5f97\u3067\u304d\u308b<\/li>\n<\/ol>\n\n
      \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u304b\u3089\u306f\u901a\u5e38\u306eDOM\u64cd\u4f5c\u3068\u540c\u3058\u3088\u3046\u306b\u898b\u3048\u308b<\/strong>\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u63db\u3048\u304c\u4e0d\u8981\u3067\u3059\u3002<\/p>\n\n\n
      \n\n\n\n
      Partytown\u306e\u5c0e\u5165\u65b9\u6cd5<\/h2>\n\n\n\n
      Next.js\u3067\u306e\u5c0e\u5165<\/h3>\n\n\n\n
      # npm\u306e\u5834\u5408\nnpm install @builder.io\/partytown\n\n# yarn\u306e\u5834\u5408\nyarn add @builder.io\/partytown\n\n# pnpm\u306e\u5834\u5408\npnpm add @builder.io\/partytown<\/code><\/pre>\n\n\n\n
      next.config.js\u306e\u8a2d\u5b9a<\/h4>\n\n\n\n
      \/** @type {import('next').NextConfig} *\/\nconst nextConfig = {\n  \/\/ Partytown\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u9759\u7684\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u63d0\u4f9b\n  async headers() {\n    return [\n      {\n        source: '\/~partytown\/:path*',\n        headers: [\n          {\n            key: 'Cache-Control',\n            value: 'public, max-age=31536000, immutable',\n          },\n        ],\n      },\n    ];\n  },\n};\n\nmodule.exports = nextConfig;<\/code><\/pre>\n\n\n\n
      Partytown\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc<\/h4>\n\n\n\n
      # public\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306bPartytown\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\nnpx partytown copylib public\/~partytown<\/code><\/pre>\n\n\n\n
      _document.tsx\u306e\u8a2d\u5b9a<\/h4>\n\n\n\n
      \/\/ pages\/_document.tsx\nimport { Html, Head, Main, NextScript } from 'next\/document';\nimport Script from 'next\/script';\n\nexport default function Document() {\n  return (\n    <Html lang=\"ja\">\n      <Head>\n        {\/* Partytown\u306e\u8a2d\u5b9a *\/}\n        <Script\n          id=\"partytown-config\"\n          strategy=\"beforeInteractive\"\n          dangerouslySetInnerHTML={{\n            __html: `\n              partytown = {\n                lib: \"\/~partytown\/\",\n                forward: [\"dataLayer.push\", \"gtag\"]\n              };\n            `,\n          }}\n        \/>\n\n        {\/* Google Analytics\uff08Partytown\u3067\u5b9f\u884c\uff09 *\/}\n        <Script\n          src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=GA_MEASUREMENT_ID\"\n          type=\"text\/partytown\"\n        \/>\n        <Script\n          id=\"google-analytics\"\n          type=\"text\/partytown\"\n          dangerouslySetInnerHTML={{\n            __html: `\n              window.dataLayer = window.dataLayer || [];\n              function gtag(){dataLayer.push(arguments);}\n              gtag('js', new Date());\n              gtag('config', 'GA_MEASUREMENT_ID');\n            `,\n          }}\n        \/>\n      <\/Head>\n      <body>\n        <Main \/>\n        <NextScript \/>\n      <\/body>\n    <\/Html>\n  );\n}<\/code><\/pre>\n\n\n
      \u8a2d\u5b9a\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n
        \n
      • type=”text\/partytown”<\/strong>\uff1a\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092Partytown\u3067\u5b9f\u884c\u3059\u308b\u6307\u5b9a<\/li>\n
      • forward<\/strong>\uff1a\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u547c\u3073\u51fa\u305b\u308b\u95a2\u6570\u3092\u6307\u5b9a<\/li>\n
      • lib<\/strong>\uff1aPartytown\u30d5\u30a1\u30a4\u30eb\u306e\u914d\u7f6e\u5834\u6240<\/li>\n<\/ul>\n\n\n
        React\u30a2\u30d7\u30ea\u3067\u306e\u5c0e\u5165<\/h3>\n\n\n\n
        # \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\nnpm install @builder.io\/partytown\n\n# public\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30d5\u30a1\u30a4\u30eb\u30b3\u30d4\u30fc\nnpx partytown copylib public\/~partytown<\/code><\/pre>\n\n\n\n
        <!DOCTYPE html>\n<html lang=\"ja\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>My React App<\/title>\n\n  <!-- Partytown\u306e\u8a2d\u5b9a -->\n  <script>\n    partytown = {\n      lib: \"\/~partytown\/\",\n      forward: [\"dataLayer.push\", \"gtag\"]\n    };\n  <\/script>\n\n  <!-- Google Analytics\uff08Partytown\u3067\u5b9f\u884c\uff09 -->\n  <script type=\"text\/partytown\" src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=GA_MEASUREMENT_ID\"><\/script>\n  <script type=\"text\/partytown\">\n    window.dataLayer = window.dataLayer || [];\n    function gtag(){dataLayer.push(arguments);}\n    gtag('js', new Date());\n    gtag('config', 'GA_MEASUREMENT_ID');\n  <\/script>\n<\/head>\n<body>\n  <div id=\"root\"><\/div>\n  <script type=\"module\" src=\"\/src\/main.tsx\"><\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
        HTML\u30b5\u30a4\u30c8\u3067\u306e\u5c0e\u5165<\/h3>\n\n\n\n
        <!DOCTYPE html>\n<html lang=\"ja\">\n<head>\n  <meta charset=\"UTF-8\">\n  <title>My Website<\/title>\n\n  <!-- Partytown\u306e\u30b3\u30a2\u30b9\u30af\u30ea\u30d7\u30c8 -->\n  <script>\n    partytown = {\n      lib: \"\/~partytown\/\",\n      forward: [\"dataLayer.push\", \"gtag\"]\n    };\n  <\/script>\n  <script src=\"\/~partytown\/partytown.js\"><\/script>\n\n  <!-- \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8 -->\n  <script type=\"text\/partytown\" src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=GA_MEASUREMENT_ID\"><\/script>\n  <script type=\"text\/partytown\">\n    window.dataLayer = window.dataLayer || [];\n    function gtag(){dataLayer.push(arguments);}\n    gtag('js', new Date());\n    gtag('config', 'GA_MEASUREMENT_ID');\n  <\/script>\n<\/head>\n<body>\n  <h1>Welcome to My Website<\/h1>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
        \n\n\n\n
        \u5bfe\u5fdc\u3059\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8<\/h2>\n\n\n\n
        Google Analytics 4\uff08GA4\uff09<\/h3>\n\n\n\n
        <script>\n  partytown = {\n    lib: \"\/~partytown\/\",\n    forward: [\"dataLayer.push\", \"gtag\"]\n  };\n<\/script>\n\n<script type=\"text\/partytown\" src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=G-XXXXXXXXXX\"><\/script>\n<script type=\"text\/partytown\">\n  window.dataLayer = window.dataLayer || [];\n  function gtag(){dataLayer.push(arguments);}\n  gtag('js', new Date());\n  gtag('config', 'G-XXXXXXXXXX');\n<\/script><\/code><\/pre>\n\n\n\n
        Google Tag Manager\uff08GTM\uff09<\/h3>\n\n\n\n
        <script>\n  partytown = {\n    lib: \"\/~partytown\/\",\n    forward: [\"dataLayer.push\"]\n  };\n<\/script>\n\n<script type=\"text\/partytown\">\n  (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':\n  new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],\n  j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=\n  'https:\/\/www.googletagmanager.com\/gtm.js?id='+i+dl;j.type='text\/partytown';\n  f.parentNode.insertBefore(j,f);\n  })(window,document,'script','dataLayer','GTM-XXXXXXX');\n<\/script><\/code><\/pre>\n\n\n\n
        Facebook Pixel<\/h3>\n\n\n\n
        <script>\n  partytown = {\n    lib: \"\/~partytown\/\",\n    forward: [\"fbq\"]\n  };\n<\/script>\n\n<script type=\"text\/partytown\">\n  !function(f,b,e,v,n,t,s)\n  {if(f.fbq)return;n=f.fbq=function(){n.callMethod?\n  n.callMethod.apply(n,arguments):n.queue.push(arguments)};\n  if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\n  n.queue=[];t=b.createElement(e);t.async=!0;\n  t.src=v;s=b.getElementsByTagName(e)[0];\n  s.parentNode.insertBefore(t,s)}(window, document,'script',\n  'https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n  fbq('init', 'YOUR_PIXEL_ID');\n  fbq('track', 'PageView');\n<\/script><\/code><\/pre>\n\n\n\n
        \u305d\u306e\u4ed6\u306e\u5bfe\u5fdc\u30b9\u30af\u30ea\u30d7\u30c8<\/h3>\n\n\n
          \n
        • Hotjar<\/li>\n
        • Intercom<\/li>\n
        • Segment<\/li>\n
        • Mixpanel<\/li>\n
        • Google AdSense<\/li>\n
        • Twitter Pixel<\/li>\n
        • LinkedIn Insight Tag<\/li>\n<\/ul>\n\n\n
          \n\n\n\n
          \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u5b9f\u6e2c\u4f8b<\/h2>\n\n\n\n
          \u5c0e\u5165\u524d\u5f8c\u306eLighthouse\u30b9\u30b3\u30a2\u6bd4\u8f03<\/h3>\n\n\n\n
          Lighthouse Performance Score: 65\n\nFirst Contentful Paint (FCP): 1.2s\nLargest Contentful Paint (LCP): 2.8s\nTotal Blocking Time (TBT): 450ms  \u2190 \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5f71\u97ff\nCumulative Layout Shift (CLS): 0.05\nSpeed Index: 2.5s\n\n\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u3088\u308b\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u30d6\u30ed\u30c3\u30af:\n- Google Analytics: 45ms\n- Google Tag Manager: 120ms\n- Facebook Pixel: 75ms\n- Hotjar: 90ms\n- \u5e83\u544a\u30bf\u30b0: 120ms\n\u5408\u8a08: 450ms<\/code><\/pre>\n\n\n\n
          Lighthouse Performance Score: 92\n\nFirst Contentful Paint (FCP): 1.1s\nLargest Contentful Paint (LCP): 2.4s\nTotal Blocking Time (TBT): 50ms  \u2190 90%\u524a\u6e1b\uff01\nCumulative Layout Shift (CLS): 0.05\nSpeed Index: 2.2s\n\n\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u3088\u308b\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u30d6\u30ed\u30c3\u30af:\n- Partytown\u521d\u671f\u5316: 30ms\n- \u305d\u306e\u4ed6\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9: 20ms\n\u5408\u8a08: 50ms\uff08450ms \u2192 50ms\u300189%\u524a\u6e1b\uff09<\/code><\/pre>\n\n\n\n\n\n
          \u6307\u6a19<\/th>\u5c0e\u5165\u524d<\/th>\u5c0e\u5165\u5f8c<\/th>\u6539\u5584\u7387<\/th><\/tr>\n<\/thead>\n
          Performance Score<\/td>65<\/td>92<\/td>+27pt<\/td><\/tr>\n
          TBT<\/td>450ms<\/td>50ms<\/td>89%\u524a\u6e1b<\/td><\/tr>\n
          LCP<\/td>2.8s<\/td>2.4s<\/td>14%\u6539\u5584<\/td><\/tr>\n
          FID<\/td>100ms\u4ee5\u4e0a<\/td>10ms\u4ee5\u4e0b<\/td>90%\u4ee5\u4e0a\u6539\u5584<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n
          \n\n\n\n
          Partytown\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n\n\n
          \u9805\u76ee<\/th>\u5185\u5bb9<\/th><\/tr>\n<\/thead>\n
          \u30e1\u30ea\u30c3\u30c8<\/strong><\/td>\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u89e3\u653e\u30fb\u65e2\u5b58\u30b3\u30fc\u30c9\u66f8\u304d\u63db\u3048\u4e0d\u8981\u30fbCore Web Vitals\u6539\u5584\u30fb\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u5411\u4e0a<\/td><\/tr>\n
          \u30c7\u30e1\u30ea\u30c3\u30c8\u30fb\u6ce8\u610f\u70b9<\/strong><\/td>\u901a\u4fe1\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3042\u308a\u30fbHTTPS\u74b0\u5883\u5fc5\u9808\u30fb\u4e00\u90e8\u30b9\u30af\u30ea\u30d7\u30c8\u975e\u5bfe\u5fdc\u30fb\u30d9\u30fc\u30bf\u6bb5\u968e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n
          Core Web Vitals\u3078\u306eSEO\u52b9\u679c<\/h3>\n\n\n\n
          TBT\u30fbFID\u30fbLCP\u306a\u3069\u306e\u6307\u6a19\u304c\u6539\u5584\u3055\u308c\u308b\u3053\u3068\u3067\u3001Google\u306eSEO\u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u3082\u597d\u5f71\u97ff<\/span><\/strong>\u3092\u4e0e\u3048\u307e\u3059\u3002Google\u306f\u30da\u30fc\u30b8\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\uff08Core Web Vitals\uff09\u3092\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u306e\u4e00\u3064\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
          \u6ce8\u610f\u70b9\u306e\u8a73\u7d30<\/h3>\n\n\n
            \n
          • \u901a\u4fe1\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/strong>\uff1aWeb Worker\u3068\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306epostMessage\u901a\u4fe1\u306b\u308f\u305a\u304b\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u3042\u308b\u3002\u305f\u3060\u3057\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u524a\u6e1b\u52b9\u679c\u306e\u65b9\u304c\u5927\u304d\u3044<\/li>\n
          • HTTPS\u74b0\u5883\u5fc5\u9808<\/strong>\uff1aService Worker\u306e\u52d5\u4f5c\u306b\u306fHTTPS\u74b0\u5883\u304c\u5fc5\u8981\uff08localhost\u306f\u4f8b\u5916\uff09<\/li>\n
          • \u5168\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u52d5\u4f5c\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044<\/strong>\uff1aiframe\u751f\u6210\u30fbdocument.write\u306a\u3069\u3092\u4f7f\u3046\u8907\u96d1\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n
          • \u958b\u767a\u6bb5\u968e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea<\/strong>\uff1a\u6d3b\u767a\u306b\u958b\u767a\u3055\u308c\u3066\u3044\u308b\u304c\u672c\u756a\u5c0e\u5165\u306f\u4e8b\u524d\u30c6\u30b9\u30c8\u3092\u5fb9\u5e95\u3059\u308b\u3053\u3068<\/li>\n<\/ul>\n\n\n
            \n\n\n\n
            \u5c0e\u5165\u6642\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n
            1. \u6bb5\u968e\u7684\u306a\u5c0e\u5165<\/h3>\n\n\n\n
            <!-- \u30d5\u30a7\u30fc\u30ba1\uff1aGoogle Analytics\u306e\u307f -->\n<script type=\"text\/partytown\" src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=GA_ID\"><\/script>\n\n<!-- \u30d5\u30a7\u30fc\u30ba2\uff1aGoogle Tag Manager\u3092\u8ffd\u52a0 -->\n<script type=\"text\/partytown\" src=\"https:\/\/www.googletagmanager.com\/gtm.js?id=GTM_ID\"><\/script>\n\n<!-- \u30d5\u30a7\u30fc\u30ba3\uff1a\u305d\u306e\u4ed6\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8ffd\u52a0 -->\n<script type=\"text\/partytown\" src=\"...\"><\/script><\/code><\/pre>\n\n\n\n
            2. \u52d5\u4f5c\u78ba\u8a8d\u306e\u5fb9\u5e95<\/h3>\n\n\n
              \n
            • \u30d6\u30e9\u30a6\u30b6\u306e\u30b3\u30f3\u30bd\u30fc\u30eb<\/strong>\uff1a\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d<\/li>\n
            • \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bf\u30d6<\/strong>\uff1a\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d<\/li>\n
            • Google Analytics<\/strong>\uff1a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30ec\u30dd\u30fc\u30c8\u3067\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u78ba\u8a8d<\/li>\n
            • Tag Assistant<\/strong>\uff1aGoogle Tag Manager\u306e\u30bf\u30b0\u304c\u767a\u706b\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n
              3. forward\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u9069\u5207\u306a\u8a2d\u5b9a<\/h3>\n\n\n\n
              partytown = {\n  lib: \"\/~partytown\/\",\n  forward: [\n    \"dataLayer.push\",      \/\/ Google Analytics\/GTM\n    \"gtag\",                \/\/ Google Analytics\n    \"fbq\",                 \/\/ Facebook Pixel\n    \"hj\",                  \/\/ Hotjar\n    \"_hsq.push\"            \/\/ HubSpot\n  ]\n};<\/code><\/pre>\n\n\n\n
              4. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8a08\u6e2c<\/h3>\n\n\n\n
              # Lighthouse CLI\u3067\u306e\u8a08\u6e2c\nnpx lighthouse https:\/\/example.com --view\n\n# \u91cd\u8981\u306a\u6307\u6a19\n# - Total Blocking Time\uff08TBT\uff09\n# - First Input Delay\uff08FID\uff09\n# - Performance Score<\/code><\/pre>\n\n\n\n
              \n\n\n\n
              \u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n
              Partytown\u3092\u4f7f\u3046\u3068Google Analytics\u306e\u8a08\u6e2c\u30c7\u30fc\u30bf\u306b\u5f71\u97ff\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n
              \u6b63\u3057\u304f\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001\u8a08\u6e2c\u30c7\u30fc\u30bf\u306b\u5f71\u97ff\u306f\u3042\u308a\u307e\u305b\u3093\u3002forward<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u306bdataLayer.push<\/code>\u3068gtag<\/code>\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u767a\u706b\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u304cWeb Worker\u4e0a\u306eGA4\u306b\u3082\u6b63\u3057\u304f\u6e21\u3055\u308c\u307e\u3059\u3002\u5c0e\u5165\u5f8c\u306f\u5fc5\u305aGA4\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30ec\u30dd\u30fc\u30c8\u3067\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
              Service Worker\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n
              Service Worker\u975e\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\uff08\u65e7\u5f0f\u30d6\u30e9\u30a6\u30b6\u306a\u3069\uff09\u3067\u306f\u3001Partytown\u304c\u81ea\u52d5\u7684\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u52d5\u4f5c\u3092\u884c\u3044\u3001\u5f93\u6765\u901a\u308a\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u6a5f\u80fd\u304c\u5931\u308f\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u6069\u6075\u306f\u53d7\u3051\u3089\u308c\u307e\u305b\u3093\u3002\u73fe\u4ee3\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u307b\u307c\u3059\u3079\u3066Service Worker\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5b9f\u7528\u4e0a\u306e\u554f\u984c\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
              Astro\u30fbNuxt\u30fbGatsby \u3067\u3082\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n
              \u4f7f\u3048\u307e\u3059\u3002Astro\u306fPartytown\u516c\u5f0f\u30a4\u30f3\u30c6\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\uff08@astrojs\/partytown<\/code>\uff09\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u8a2d\u5b9a\u304c\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002Nuxt\u306fPartytown\u3092Nuxt\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u3059\u3002Gatsby\u3082\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\uff08gatsby-plugin-partytown<\/code>\uff09\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u5404\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
              WordPress\u3067Partytown\u3092\u4f7f\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n
              WordPress\u3067\u306e\u76f4\u63a5\u7684\u306a\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u73fe\u6642\u70b9\u3067\u5b58\u5728\u3057\u307e\u305b\u3093\u304c\u3001\u30c6\u30fc\u30de\u306eheader.php\u3084functions.php\u306bPartytown\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u624b\u52d5\u3067\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u306f\u300cInsert Headers and Footers\u300d\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3063\u3066\u30ab\u30b9\u30bf\u30e0\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u633f\u5165\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057WordPress\u306f\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3084CDN\u3068\u306e\u76f8\u6027\u3092\u4e8b\u524d\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
              Partytown\u3092\u4f7f\u3063\u3066\u3082\u52b9\u679c\u304c\u51fa\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n
              \u307e\u305aLighthouse CLI\u3067TBT\u306e\u5185\u8a33\u3092\u78ba\u8a8d\u3057\u3001\u3069\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u6b8b\u308a\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002Partytown\u975e\u5bfe\u5fdc\u306e\u30b9\u30af\u30ea\u30d7\u30c8\uff08document.write<\/code>\u3092\u4f7f\u3046\u3082\u306e\u306a\u3069\uff09\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3089\u3092\u5225\u306e\u624b\u6bb5\uff08\u9045\u5ef6\u30ed\u30fc\u30c9\u30fbasync<\/code>\/defer<\/code>\u5c5e\u6027\uff09\u3067\u5bfe\u51e6\u3057\u307e\u3059\u3002\u307e\u305fforward<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u6f0f\u308c\u304c\u3042\u308b\u5834\u5408\u3082\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u306a\u3044\u305f\u3081\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u30a8\u30e9\u30fc\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
              \n\n\n\n
              \u307e\u3068\u3081<\/h2>\n\n\n