ProgrammingLab · Copilot · May 22, 2025 · May 22, 2025 · May 22, 2025
diff --git a/frontend/app/layout.tsx b/frontend/app/layout.tsx
@@ -6,6 +6,7 @@ import { Providers } from "./providers";
 import { Navbar } from "@/components/navbar";
 import { Link } from "@nextui-org/react";
 import clsx from "clsx";
+import JsonLd from "@/components/json-ld";
 
 
 export const metadata: Metadata = {
@@ -14,6 +15,47 @@ export const metadata: Metadata = {
 		template: `%s - ${siteConfig.name}`,
 	},
 	description: siteConfig.description,
+	keywords: ["プログラミング", "久留米高専", "プログラミングラボ", "ProLab", "部活動", "学生団体", "コーディング", "技術"],
+	authors: [{ name: "久留米高専プログラミングラボ部", url: "https://www.prolab.club" }],
+	creator: "久留米高専プログラミングラボ部",
+	publisher: "久留米高専プログラミングラボ部",
+	metadataBase: new URL("https://www.prolab.club"),
+	alternates: {
+		canonical: "/",
+	},
+	openGraph: {
+		type: "website",
+		locale: "ja_JP",
+		url: "https://www.prolab.club",
+		title: siteConfig.name,
+		description: siteConfig.description,
+		siteName: siteConfig.name,
+		images: [
+			{
+				url: "/logo.png",
+				width: 512,
+				height: 512,
+				alt: "ProLab Logo",
+			}
+		],
+	},
+	twitter: {
+		card: "summary_large_image",
+		title: siteConfig.name,
+		description: siteConfig.description,
+		creator: "@prolabknct",
+		images: ["/logo.png"],
+	},
+	robots: {
+		index: true,
+		follow: true,
+		googleBot: {
+			index: true,
+			follow: true,
+			"max-image-preview": "large",
+			"max-snippet": -1,
+		},
+	},
 	themeColor: [
 		{ media: "(prefers-color-scheme: light)", color: "white" },
 		{ media: "(prefers-color-scheme: dark)", color: "black" },
@@ -31,8 +73,10 @@ export default function RootLayout({
 	children: React.ReactNode;
 }) {
 	return (
-		<html lang="en" suppressHydrationWarning>
-			<head />
+		<html lang="ja" suppressHydrationWarning>
+			<head>
+				<JsonLd />
+			</head>
 			<body
 				className={clsx(
 					"min-h-screen bg-background font-sans antialiased",
@@ -50,9 +94,8 @@ export default function RootLayout({
 							<Link
 								isExternal
 								className="flex items-center gap-1 text-current"
-								href="https://nextui-docs-v2.vercel.app?utm_source=next-app-template"
-								title="nextui.org homepage"
-							>
+								href="https://www.prolab.club"
+								title="久留米高専プログラミングラボ部">
 								<span className="text-default-600">(c) 2024 久留米高専プログラミングラボ部</span>
 							</Link>
 						</footer>

diff --git a/frontend/app/sitemap.ts b/frontend/app/sitemap.ts
@@ -0,0 +1,18 @@
+import { MetadataRoute } from 'next'
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  return [
+    {
+      url: 'https://www.prolab.club',
+      lastModified: new Date(),
+      changeFrequency: 'weekly',
+      priority: 1,
+    },
+    {
+      url: 'https://www.prolab.club/about',
+      lastModified: new Date(),
+      changeFrequency: 'monthly',
+      priority: 0.8,
+    },
+  ]
+}
diff --git a/frontend/components/json-ld.tsx b/frontend/components/json-ld.tsx
@@ -0,0 +1,24 @@
+import React from 'react';
+
+export default function JsonLd() {
+  const organizationData = {
+    '@context': 'https://schema.org',
+    '@type': 'Organization',
+    name: '久留米高専プログラミングラボ部',
+    alternateName: 'ProLab',
+    url: 'https://www.prolab.club',
+    logo: 'https://www.prolab.club/logo.png',
+    sameAs: [
+      'https://twitter.com/prolabknct',
+      'https://github.com/ProgrammingLab/www.prolab.club'
+    ],
+    description: '久留米高専プログラミングラボ部（ProLab）の公式ウェブサイト。プログラミングを通して技術と創造性を探求する学生団体です。'
+  };
+
+  return (
+    <script
+      type="application/ld+json"
+      dangerouslySetInnerHTML={{ __html: JSON.stringify(organizationData) }}
+    />
+  );
+}
diff --git a/frontend/config/site.ts b/frontend/config/site.ts
@@ -2,7 +2,7 @@ export type SiteConfig = typeof siteConfig;
 
 export const siteConfig = {
 	name: "ProLab",
-	description: "description",
+	description: "久留米高専プログラミングラボ部（ProLab）の公式ウェブサイト。プログラミングを通して技術と創造性を探求する学生団体です。",
 	navItems: [
 		{
 			label: "Home",

diff --git a/frontend/next.config.js b/frontend/next.config.js
@@ -1,4 +1,9 @@
 /** @type {import('next').NextConfig} */
-const nextConfig = {}
+const nextConfig = {
+  poweredByHeader: false,
+  images: {
+    domains: ['www.prolab.club'],
+  }
+}
 
 module.exports = nextConfig
diff --git a/frontend/public/robots.txt b/frontend/public/robots.txt
@@ -0,0 +1,6 @@
+# Allow all web crawlers
+User-agent: *
+Allow: /
+
+# Sitemap location
+Sitemap: https://www.prolab.club/sitemap.xml