export default { async fetch(request, env, ctx) { const userAgent = request.headers.get("user-agent") || ""; if (userAgent.includes("facebookexternalhit") || userAgent.includes("Facebot")) { return new Response( ` I'm a teapot

Error 418

Facebook bot detected. No OG for you 🫖

`, { status: 418, headers: { "Content-Type": "text/html" } } ); } // Untuk selain Facebook bot → redirect return Response.redirect("https://example.com", 302); } }