diff --git a/backend/src/components/admin/reports.tsx b/backend/src/components/admin/reports.tsx
index 7eb75ed..a58854f 100644
--- a/backend/src/components/admin/reports.tsx
+++ b/backend/src/components/admin/reports.tsx
@@ -25,6 +25,7 @@ export default async function Reports({ searchParams }: { searchParams: { status
 	]);
 
 	const totalPages = Math.ceil(total / PAGE_SIZE);
+	const FRONTEND_URL = process.env.NEXT_PUBLIC_FRONTEND_URL;
 
 	const updateStatus = async (formData: FormData) => {
 		"use server";
@@ -88,21 +89,24 @@ export default async function Reports({ searchParams }: { searchParams: { status
 						<div className="grid grid-cols-4 text-xs text-zinc-600 mt-4 max-sm:grid-cols-2">
 							<div>
 								<p>Target ID</p>
-								<a href={report.reportType === "MII" ? `/mii/${report.targetId}` : `/profile/${report.targetId}`} className="text-blue-600 text-sm">
+								<a
+									href={report.reportType === "MII" ? `${FRONTEND_URL}/mii/${report.targetId}` : `${FRONTEND_URL}/profile/${report.targetId}`}
+									className="text-blue-600 text-sm"
+								>
 									{report.targetId}
 								</a>
 							</div>
 
 							<div>
 								<p>Creator ID</p>
-								<a href={`/profile/${report.creatorId}`} className="text-blue-600 text-sm">
+								<a href={`${FRONTEND_URL}/profile/${report.creatorId}`} className="text-blue-600 text-sm">
 									{report.creatorId}
 								</a>
 							</div>
 
 							<div>
 								<p>Reporter</p>
-								<a href={`/profile/${report.authorId}`} className="text-blue-600 text-sm">
+								<a href={`${FRONTEND_URL}/profile/${report.authorId}`} className="text-blue-600 text-sm">
 									{report.authorId}
 								</a>
 							</div>
diff --git a/frontend/src/pages/mii.tsx b/frontend/src/pages/mii.tsx
index 3237365..a7b5e5b 100644
--- a/frontend/src/pages/mii.tsx
+++ b/frontend/src/pages/mii.tsx
@@ -54,8 +54,36 @@ export default function MiiPage() {
 	if (loading || !mii) return <div className="p-6 text-center">Loading...</div>;
 	const images = [...Array.from({ length: mii.imageCount ?? 0 }, (_, index) => `${API_URL}/mii/${mii.id}/image?type=image${index}`)];
 
+	const metaTitle = `${mii.name} - TomodachiShare`;
+	const platformLabel = mii.platform === "SWITCH" ? "Switch Living the Dream" : "3DS";
+	const metaDescription = `Check out '${mii.name}', a ${platformLabel} Tomodachi Life Mii created by ${mii.user.name} on TomodachiShare with ${mii.likeCount ?? 0} likes.`;
+	const metaImage = `${import.meta.env.VITE_API_URL}/mii/${mii.id}/image?type=metadata`;
+	const metaImageAlt = `${mii.name}, ${mii.tags?.join(", ")} ${mii.gender} Mii character`;
+
 	return (
 		<div className="flex flex-col items-center">
+			<title>{metaTitle}</title>
+			<meta name="description" content={metaDescription} />
+			<meta name="keywords" content={["mii", "tomodachi life", "nintendo", "tomodachishare", ...mii.tags].join(", ")} />
+			<link rel="canonical" href={`${import.meta.env.VITE_BASE_URL}/mii/${mii.id}`} />
+
+			{/* Open Graph */}
+			<meta property="og:type" content="article" />
+			<meta property="og:title" content={metaTitle} />
+			<meta property="og:description" content={metaDescription} />
+			<meta property="og:image" content={metaImage} />
+			<meta property="og:image:alt" content={metaImageAlt} />
+			<meta property="article:published_time" content={new Date(mii.createdAt).toISOString()} />
+			<meta property="article:author" content={`@${mii.user.name}`} />
+
+			{/* Twitter / X */}
+			<meta name="twitter:card" content="summary_large_image" />
+			<meta name="twitter:title" content={metaTitle} />
+			<meta name="twitter:description" content={metaDescription} />
+			<meta name="twitter:image" content={metaImage} />
+			<meta name="twitter:image:alt" content={metaImageAlt} />
+			<meta name="twitter:creator" content={`@${mii.user.name}`} />
+
 			<div className="max-w-5xl w-full flex flex-col gap-4">
 				{mii.quarantined && (
 					<div className="bg-red-100 border-2 border-red-400 rounded-2xl shadow-lg p-4 flex items-center gap-3 text-red-700">
diff --git a/frontend/src/pages/profile/layout.tsx b/frontend/src/pages/profile/layout.tsx
index 2847fe2..a2c4987 100644
--- a/frontend/src/pages/profile/layout.tsx
+++ b/frontend/src/pages/profile/layout.tsx
@@ -13,10 +13,10 @@ export default function ProfileLayout() {
 	const [loading, setLoading] = useState(true);
 	const $session = useStore(session);
 
+	const userId = Number($session ? id : $session?.user?.id);
+
 	useEffect(() => {
 		if ($session === undefined) return; // session still loading
-
-		const userId = id ?? $session?.user?.id;
 		if (!userId) {
 			navigate("/404");
 			return;
@@ -44,14 +44,38 @@ export default function ProfileLayout() {
 		return <div className="p-6 text-center">Loading...</div>;
 	}
 
-	const sessionUserId = $session?.user?.id ? Number($session.user.id) : null;
-	const page = location.pathname;
-	const isAdmin = sessionUserId === Number(import.meta.env.VITE_ADMIN_USER_ID);
+	const isAdmin = userId === Number(import.meta.env.VITE_ADMIN_USER_ID);
 	const isContributor = import.meta.env.VITE_CONTRIBUTORS_USER_IDS?.split(",").includes(String(user?.id));
-	const isOwnProfile = sessionUserId === user?.id;
+	const isOwnProfile = userId === user?.id;
+
+	const joinDate = new Date(user.createdAt).toLocaleDateString("en-US", { month: "long", year: "numeric" });
+	const metaTitle = `${user.name} - TomodachiShare`;
+	const metaDescription = `View ${user.name}'s profile on TomodachiShare. Creator of ${user._count.miis} Miis. Member since ${joinDate}.`;
+	const metaImage = user.image.startsWith("/profile")
+		? `${import.meta.env.VITE_API_URL}${user.image}`
+		: (user.image ?? `${import.meta.env.VITE_API_URL}/guest.png`);
 
 	return (
 		<div>
+			<title>{metaTitle}</title>
+			<meta name="description" content={metaDescription} />
+			<meta name="keywords" content="mii, tomodachi life, nintendo, mii creator, mii collection, profile" />
+			<link rel="canonical" href={`${import.meta.env.VITE_BASE_URL}/profile/${user.id}`} />
+
+			{/* Open Graph */}
+			<meta property="og:type" content="profile" />
+			<meta property="og:title" content={metaTitle} />
+			<meta property="og:description" content={metaDescription} />
+			<meta property="og:image" content={metaImage} />
+			<meta property="og:profile:username" content={user.name} />
+
+			{/* Twitter / X */}
+			<meta name="twitter:card" content="summary" />
+			<meta name="twitter:title" content={metaTitle} />
+			<meta name="twitter:description" content={metaDescription} />
+			<meta name="twitter:image" content={metaImage} />
+			<meta name="twitter:creator" content={user.name} />
+
 			<div className="bg-amber-50 border-2 border-amber-500 rounded-2xl shadow-lg p-4 flex gap-4 mb-2 max-md:flex-col">
 				<div className="flex w-full gap-4 overflow-x-scroll">
 					{/* Profile picture */}
@@ -110,19 +134,19 @@ export default function ProfileLayout() {
 							<span>Admin</span>
 						</a>
 					)}
-					{isOwnProfile && page !== "/profile/likes" && (
+					{isOwnProfile && location.pathname !== "/profile/likes" && (
 						<Link aria-label="Go to My Likes" to="/profile/likes">
 							<Icon icon="icon-park-solid:like" />
 							<span>My Likes</span>
 						</Link>
 					)}
-					{isOwnProfile && page !== "/profile/settings" && (
+					{isOwnProfile && location.pathname !== "/profile/settings" && (
 						<Link aria-label="Go to Settings" to="/profile/settings">
 							<Icon icon="material-symbols:settings-rounded" />
 							<span>Settings</span>
 						</Link>
 					)}
-					{(page === "/profile/likes" || page === "/profile/settings") && (
+					{(location.pathname === "/profile/likes" || location.pathname === "/profile/settings") && (
 						<Link aria-label="Go Back to Profile" to={`/profile/${user.id}`}>
 							<Icon icon="tabler:chevron-left" />
 							<span>Back</span>