diff --git a/app/assets/stylesheets/performance-notice.css b/app/assets/stylesheets/performance-notice.css
new file mode 100644
index 000000000..a39bde2cd
--- /dev/null
+++ b/app/assets/stylesheets/performance-notice.css
@@ -0,0 +1,11 @@
+.performance-notice {
+  background: oklch(var(--lch-yellow-lightest));
+  border-radius: 1ch;
+  border: 1px solid oklch(var(--lch-yellow-light));
+  font-size: var(--text-small);
+  margin-block-end: 2ch;
+  margin-inline: auto;
+  max-inline-size: 60ch;
+  padding-inline: 2ch;
+  padding: 1ch;
+}
diff --git a/app/views/events/index.html.erb b/app/views/events/index.html.erb
index f567f6d91..c3b64531e 100644
--- a/app/views/events/index.html.erb
+++ b/app/views/events/index.html.erb
@@ -2,6 +2,9 @@
 <% @header_class = "header--events" %>
 
 <%= render "cards/broadcasts", filter: @filter %>
+<div class="performance-notice">
+  Fizzy is a bit sluggish at the moment, but we're working hard to get things humming smoothly again. Apologies for the disruption!
+</div>
 
 <% content_for :header do %>
   <%= render "events/index/add_card_button", user_filtering: @user_filtering %>