From 6b024d2ba503f67aa6c304445bb56b659ead03e0 Mon Sep 17 00:00:00 2001
From: Noam Rosenthal <noamr@users.noreply.github.com>
Date: Tue, 12 Apr 2022 17:57:07 +0300
Subject: [PATCH] Add note about additional operations when preloading

Closes https://github.com/w3c/preload/issues/116.
---
 source | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source b/source
index 4ea3bd3060e..aa6cf8a37e6 100644
--- a/source
+++ b/source
@@ -25768,6 +25768,11 @@ document.body.appendChild(wbr);</code></pre>
   data-x="concept-request-destination">destination</span>), as it is highly likely that the user
   will require this resource for the current navigation. <ref spec=PRELOAD></p>
 
+  <p class="note">User-agents might perform additional operations when a resource is loaded, such as
+  preemptively <span data-x="dom-img-decode">decoding images</span> or <span
+  data-x="Create a CSS style sheet">creating stylesheets</span>. However, these additional
+  operations cannot have observable effects.</p>
+
   <p>There is no default type for resources given by the <code data-x="rel-preload">preload</code>
   keyword.</p>