Merge branch '4.3' into 4.4

OskarStark · OskarStark · commit 051178ead530 · 2019-08-16T07:55:17.000+02:00
* 4.3: Tweaks #12179 Add a note for preload asset
diff --git a/web_link.rst b/web_link.rst
@@ -69,6 +69,17 @@ If you reload the page, the perceived performance will improve because the
 server responded with both the HTML page and the CSS file when the browser only
 requested the HTML page.
 
+.. note::
+
+    You can preload an asset by wrapping it with the ``preload()`` function:
+
+    .. code-block:: html+twig
+
+        <head>
+            <!-- ... -->
+            <link rel="stylesheet" href="{{ preload(asset('build/app.css')) }}">
+        </head>
+
 Additionally, according to `the Priority Hints specification`_, you can signal
 the priority of the resource to download using the ``importance`` attribute:
 
