diff --git a/README.md b/README.md
index 0ef555b..e70e205 100644
--- a/README.md
+++ b/README.md
@@ -51,15 +51,15 @@ If you'd rather run the Docker image yourself, you can read more about that in t
 
 ## Other implementations
 
-Campfire also has implementations in Django, Laravel, Elixir, Go and Rust:
+Campfire also has implementations in Django, Laravel, Express, Elixir, Go and Rust:
 
-| HTTP workload (requests/sec) | Rails | [Django](https://github.com/basecamp/once-campfire-django) | [Laravel](https://github.com/basecamp/once-campfire-laravel) | [Elixir](https://github.com/basecamp/once-campfire-elixir) | [Go](https://github.com/basecamp/once-campfire-go) | [Rust](https://github.com/basecamp/once-campfire-rust) |
-|---|---:|---:|---:|---:|---:|---:|
-| Room page | 242 | 170 | 164 | 722 | 3,860 | 36,260 |
-| Messages page | 402 | 196 | 175 | 1,053 | 5,573 | 40,872 |
-| Sidebar | 541 | 615 | 715 | 1,275 | 19,753 | 34,672 |
-| Search | 424 | 315 | 305 | 1,156 | 7,053 | 33,299 |
-| Post a message | 225 | 154 | 137 | 801 | 4,767 | 6,896 |
+| HTTP workload (requests/sec) | Rails | [Django](https://github.com/basecamp/once-campfire-django) | [Laravel](https://github.com/basecamp/once-campfire-laravel) | [Express](https://github.com/basecamp/once-campfire-express) | [Elixir](https://github.com/basecamp/once-campfire-elixir) | [Go](https://github.com/basecamp/once-campfire-go) | [Rust](https://github.com/basecamp/once-campfire-rust) |
+|---|---:|---:|---:|---:|---:|---:|---:|
+| Room page | 241 | 170 | 164 | 559 | 722 | 3,860 | 36,260 |
+| Messages page | 413 | 196 | 175 | 777 | 1,053 | 5,573 | 40,872 |
+| Sidebar | 552 | 615 | 715 | 4,125 | 1,275 | 19,753 | 34,672 |
+| Search | 435 | 315 | 305 | 1,294 | 1,156 | 7,053 | 33,299 |
+| Post a message | 273 | 154 | 137 | 256 | 801 | 4,767 | 6,896 |
 
 Measured with 16 concurrent clients on an AMD Ryzen AI MAX+ 395,
 with four hardware threads allocated to each app.
diff --git a/db/migrate/20261004225000_add_room_id_and_created_at_index_to_messages.rb b/db/migrate/20261004225000_add_room_id_and_created_at_index_to_messages.rb
new file mode 100644
index 0000000..a46b27b
--- /dev/null
+++ b/db/migrate/20261004225000_add_room_id_and_created_at_index_to_messages.rb
@@ -0,0 +1,5 @@
+class AddRoomIdAndCreatedAtIndexToMessages < ActiveRecord::Migration[8.2]
+  def change
+    add_index :messages, %i[ room_id created_at ]
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 288fee5..460193a 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -101,6 +101,7 @@ ActiveRecord::Schema[8.2].define(version: 2026_10_05_022000) do
     t.integer "room_id", null: false
     t.datetime "updated_at", null: false
     t.index ["creator_id"], name: "index_messages_on_creator_id"
+    t.index ["room_id", "created_at"], name: "index_messages_on_room_id_and_created_at"
     t.index ["room_id", "updated_at"], name: "index_messages_on_room_id_and_updated_at"
     t.index ["room_id"], name: "index_messages_on_room_id"
   end