diff --git a/README.md b/README.md
index dc0192ec4..3c6a7a497 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@
 
 ## 細かい変更点
 
+- 投稿中に表示されるインスタンスティッカーをクリックするとサーバー情報を開くように
 - サーバー設定の初期値を変更
   - 新規登録を無効化
   - サーバーメトリクスの表示を有効化
diff --git a/packages/client/src/components/MkInstanceTicker.vue b/packages/client/src/components/MkInstanceTicker.vue
index a365cbc87..ec577cc0e 100644
--- a/packages/client/src/components/MkInstanceTicker.vue
+++ b/packages/client/src/components/MkInstanceTicker.vue
@@ -6,6 +6,7 @@
 		"
 		class="hpaizdrt"
 		:style="bg"
+		@click.stop="os.pageWindow(instanceInfoUrl)"
 	>
 		<img class="icon" :src="getInstanceIcon(instance)" aria-hidden="true" />
 		<span class="name">{{ instance.name }}</span>
@@ -18,6 +19,7 @@ import { ref } from "vue";
 import { instanceName, version } from "@/config";
 import { instance as Instance } from "@/instance";
 import { getProxiedImageUrlNullable } from "@/scripts/media-proxy";
+import * as os from "@/os";
 
 const props = defineProps<{
 	instance?: {
@@ -27,6 +29,7 @@ const props = defineProps<{
 		softwareName?: string;
 		softwareVersion?: string;
 	};
+	host: string | null;
 }>();
 
 const ticker = ref<HTMLElement | null>(null);
@@ -44,6 +47,9 @@ const instance = props.instance ?? {
 	softwareVersion: version,
 };
 
+const instanceInfoUrl =
+	props.host == null ? "/about" : `/instance-info/${props.host}`;
+
 const commonNames = new Map<string, string>([
 	["birdsitelive", "BirdsiteLIVE"],
 	["bookwyrm", "BookWyrm"],
diff --git a/packages/client/src/components/MkNoteHeader.vue b/packages/client/src/components/MkNoteHeader.vue
index c3429bddf..0ee93a092 100644
--- a/packages/client/src/components/MkNoteHeader.vue
+++ b/packages/client/src/components/MkNoteHeader.vue
@@ -40,6 +40,7 @@
 					v-if="showTicker"
 					class="ticker"
 					:instance="note.user.instance"
+					:host="note.user.host"
 				/>
 			</div>
 		</div>