diff --git a/packages/backend/src/server/web/ClientServerService.ts b/packages/backend/src/server/web/ClientServerService.ts
index 5ebec4ffd0..1b8873214b 100644
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@@ -559,7 +559,7 @@ export class ClientServerService {
 			}
 		});
 
-		//#region SSR (for crawlers)
+		//#region SSR
 		// User
 		fastify.get<{ Params: { user: string; sub?: string; } }>('/@:user/:sub?', async (request, reply) => {
 			const { username, host } = Acct.parse(request.params.user);
@@ -584,11 +584,17 @@ export class ClientServerService {
 					reply.header('X-Robots-Tag', 'noimageai');
 					reply.header('X-Robots-Tag', 'noai');
 				}
+
+				const _user = await this.userEntityService.pack(user);
+
 				return await reply.view('user', {
 					user, profile, me,
 					avatarUrl: user.avatarUrl ?? this.userEntityService.getIdenticonUrl(user),
 					sub: request.params.sub,
 					...await this.generateCommonPugData(this.meta),
+					clientCtx: htmlSafeJsonStringify({
+						user: _user,
+					}),
 				});
 			} else {
 				// リモートユーザーなので
@@ -641,6 +647,9 @@ export class ClientServerService {
 					// TODO: Let locale changeable by instance setting
 					summary: getNoteSummary(_note),
 					...await this.generateCommonPugData(this.meta),
+					clientCtx: htmlSafeJsonStringify({
+						note: _note,
+					}),
 				});
 			} else {
 				return await renderBase(reply);
@@ -729,6 +738,9 @@ export class ClientServerService {
 					profile,
 					avatarUrl: _clip.user.avatarUrl,
 					...await this.generateCommonPugData(this.meta),
+					clientCtx: htmlSafeJsonStringify({
+						clip: _clip,
+					}),
 				});
 			} else {
 				return await renderBase(reply);
diff --git a/packages/backend/src/server/web/views/base.pug b/packages/backend/src/server/web/views/base.pug
index 280a5923c2..3883b5e5ab 100644
--- a/packages/backend/src/server/web/views/base.pug
+++ b/packages/backend/src/server/web/views/base.pug
@@ -74,6 +74,9 @@ html
 		script(type='application/json' id='misskey_meta' data-generated-at=now)
 			!= metaJson
 
+		script(type='application/json' id='misskey_clientCtx' data-generated-at=now)
+			!= clientCtx
+
 		script
 			include ../boot.js
 
diff --git a/packages/frontend/src/pages/clip.vue b/packages/frontend/src/pages/clip.vue
index 7b1737fece..4df093d423 100644
--- a/packages/frontend/src/pages/clip.vue
+++ b/packages/frontend/src/pages/clip.vue
@@ -46,12 +46,13 @@ import { isSupportShare } from '@/scripts/navigator.js';
 import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
 import { genEmbedCode } from '@/scripts/get-embed-code.js';
 import type { MenuItem } from '@/types/menu.js';
+import { getServerContext } from '@/server-context.js';
 
 const props = defineProps<{
 	clipId: string,
 }>();
 
-const clip = ref<Misskey.entities.Clip | null>(null);
+const clip = ref<Misskey.entities.Clip | null>(getServerContext('clip'));
 const favorited = ref(false);
 const pagination = {
 	endpoint: 'clips/notes' as const,
@@ -64,6 +65,11 @@ const pagination = {
 const isOwned = computed<boolean | null>(() => $i && clip.value && ($i.id === clip.value.userId));
 
 watch(() => props.clipId, async () => {
+	if (getServerContext('clip') && getServerContext('clip').id === props.clipId) {
+		clip.value = getServerContext('clip');
+		return;
+	}
+
 	clip.value = await misskeyApi('clips/show', {
 		clipId: props.clipId,
 	});
diff --git a/packages/frontend/src/pages/note.vue b/packages/frontend/src/pages/note.vue
index 454ee3c6bc..920a6cee21 100644
--- a/packages/frontend/src/pages/note.vue
+++ b/packages/frontend/src/pages/note.vue
@@ -62,13 +62,14 @@ import { dateString } from '@/filters/date.js';
 import MkClipPreview from '@/components/MkClipPreview.vue';
 import { defaultStore } from '@/store.js';
 import { pleaseLogin } from '@/scripts/please-login.js';
+import { getServerContext } from '@/server-context.js';
 
 const props = defineProps<{
 	noteId: string;
 	initialTab?: string;
 }>();
 
-const note = ref<null | Misskey.entities.Note>();
+const note = ref<null | Misskey.entities.Note>(getServerContext('note'));
 const clips = ref<Misskey.entities.Clip[]>();
 const showPrev = ref<'user' | 'channel' | false>(false);
 const showNext = ref<'user' | 'channel' | false>(false);
@@ -116,6 +117,12 @@ function fetchNote() {
 	showPrev.value = false;
 	showNext.value = false;
 	note.value = null;
+
+	if (getServerContext('note') && getServerContext('note').id === props.noteId) {
+		note.value = getServerContext('note');
+		return;
+	}
+
 	misskeyApi('notes/show', {
 		noteId: props.noteId,
 	}).then(res => {
diff --git a/packages/frontend/src/server-context.ts b/packages/frontend/src/server-context.ts
new file mode 100644
index 0000000000..aa44a10290
--- /dev/null
+++ b/packages/frontend/src/server-context.ts
@@ -0,0 +1,23 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import * as Misskey from 'misskey-js';
+import { $i } from '@/account.js';
+
+const providedContextEl = document.getElementById('misskey_clientCtx');
+
+export type ServerContext = {
+	clip?: Misskey.entities.Clip;
+	note?: Misskey.entities.Note;
+	user?: Misskey.entities.UserLite;
+} | null;
+
+export const serverContext: ServerContext = (providedContextEl && providedContextEl.textContent) ? JSON.parse(providedContextEl.textContent) : null;
+
+export function getServerContext<K extends keyof NonNullable<ServerContext>>(entity: K): Required<Pick<NonNullable<ServerContext>, K>> | null {
+	// contextは非ログイン状態の情報しかないためログイン時は利用できない
+	if ($i) return null;
+
+	return serverContext ? (serverContext[entity] ?? null) : null;
+}