diff --git a/app/assets/javascripts/admin/templates/admin.js.handlebars b/app/assets/javascripts/admin/templates/admin.js.handlebars
index 1cbe5c3a4b4..f8044020fe4 100644
--- a/app/assets/javascripts/admin/templates/admin.js.handlebars
+++ b/app/assets/javascripts/admin/templates/admin.js.handlebars
@@ -1,4 +1,9 @@
 <div class="container">
+  {{#if Discourse.isReadOnly}}
+    <div class="row">
+      <div class="alert alert-info">{{i18n "read_only_mode.enabled"}}</div>
+    </div>
+  {{/if}}
   <div class="row">
     <div class="full-width">
 
diff --git a/app/assets/javascripts/discourse/templates/discovery.js.handlebars b/app/assets/javascripts/discourse/templates/discovery.js.handlebars
index 842e07f19a3..a8635ffa634 100644
--- a/app/assets/javascripts/discourse/templates/discovery.js.handlebars
+++ b/app/assets/javascripts/discourse/templates/discovery.js.handlebars
@@ -1,4 +1,9 @@
-{{customHTML "top"}}
+<div class='container'>
+  {{customHTML "top"}}
+  {{#if Discourse.isReadOnly}}
+    <div class="alert alert-info">{{i18n "read_only_mode.enabled"}}</div>
+  {{/if}}
+</div>
 
 <div class='list-controls'>
   <div class="container">
diff --git a/app/assets/javascripts/discourse/templates/topic.js.handlebars b/app/assets/javascripts/discourse/templates/topic.js.handlebars
index ead53fcb3e7..032a07e7e1d 100644
--- a/app/assets/javascripts/discourse/templates/topic.js.handlebars
+++ b/app/assets/javascripts/discourse/templates/topic.js.handlebars
@@ -1,4 +1,9 @@
-{{customHTML "top"}}
+<div class='container'>
+  {{customHTML "top"}}
+  {{#if Discourse.isReadOnly}}
+    <div class="alert alert-info">{{i18n "read_only_mode.enabled"}}</div>
+  {{/if}}
+</div>
 
 {{#if postStream.loaded}}
 
diff --git a/app/assets/javascripts/discourse/templates/user/user.js.handlebars b/app/assets/javascripts/discourse/templates/user/user.js.handlebars
index 259aaa1b57d..8a7accc4c61 100644
--- a/app/assets/javascripts/discourse/templates/user/user.js.handlebars
+++ b/app/assets/javascripts/discourse/templates/user/user.js.handlebars
@@ -1,3 +1,10 @@
+<div class='container'>
+  {{customHTML "top"}}
+  {{#if Discourse.isReadOnly}}
+    <div class="alert alert-info">{{i18n "read_only_mode.enabled"}}</div>
+  {{/if}}
+</div>
+
 {{#unless loading}}
   <div class="container">