Merge pull request #2473 from Automattic/hotfix/perfmatters-exclude-jp-main-css

fix(performance): exclude main jetpack css from delay

Author: miguelpeixe

includes/plugins/class-perfmatters.php

@@ -85,6 +85,7 @@ private static function unused_css_excluded_stylesheets() {
 			'plugins/newspack-popups', // Newspack Campaigns.
 			'plugins/jetpack/modules/sharedaddy', // Jetpack's share buttons.
 			'plugins/jetpack/_inc/social-logos', // Jetpack's social logos CSS.
+			'plugins/jetpack/css/jetpack.css', // Jetpack's main CSS.
 			'/themes/newspack-', // Any Newspack theme stylesheet.
 			'cache/perfmatters', //	Perfmatters' cache.
 			'wp-includes',