Ticket #44668: 44668.0.diff

src/wp-content/themes/twentysixteen/functions.php

@@ -144 +144 @@
 }
 add_action( 'after_setup_theme', 'twentysixteen_content_width', 0 );
 
+/**
+ * Add preconnect for Google Fonts.
+ *
+ * @since Twenty Sixteen 1.6
+ *
+ * @param array  $urls           URLs to print for resource hints.
+ * @param string $relation_type  The relation type the URLs are printed.
+ * @return array $urls           URLs to print for resource hints.
+ */
+function twentysixteen_resource_hints( $urls, $relation_type ) {
+        if ( wp_style_is( 'twentysixteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
+                $urls[] = array(
+                        'href' => 'https://fonts.gstatic.com',
+                        'crossorigin',
+                );
+        }
+
+        return $urls;
+}
+add_filter( 'wp_resource_hints', 'twentysixteen_resource_hints', 10, 2 );
+
 /**
  * Registers a widget area.
  *