diff --git a/app/__init__.py b/app/__init__.py
index daaaae04e..b596bdfdd 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -130,11 +130,13 @@ def create_app(application):
     init_jinja(application)
 
     for client in (
-
         # Gubbins
+        # Note, metrics purposefully first so we start measuring response times as early as possible before any
+        # other `app.before_request` handlers (introduced by any of these clients) are processed (which would
+        # otherwise mean we aren't measuring the full response time)
+        metrics,
         csrf,
         login_manager,
-        metrics,
         proxy_fix,
         request_helper,