diff --git a/UPGRADE-2.0.md b/UPGRADE-2.0.md
index 38bf6004..2c4edf98 100644
--- a/UPGRADE-2.0.md
+++ b/UPGRADE-2.0.md
@@ -9,6 +9,27 @@ This guide will help you upgrade your codebase.
TBD
+## Use `DOMContentLoaded` event instead of `load`
+
+It is highly recommended changing the event where plugin initialization is placed to `DOMContentLoaded`:
+
+```diff
+
+```
+
+This will lead to a faster start and rendering of the cookie consent, because unlike `load`, the `DOMContentLoaded`
+event (see [MDN docs](https://developer.mozilla.org/en-US/docs/Web/API/Document/DOMContentLoaded_event)) does not wait
+for loading of other page resources (like images).
+
+When loading the plugin from a standalone file or CDN, you should keep using the `defer` attribute of `