gistfile1.diff

diff --git a/docs/_assets/js/jqm-docs.js b/docs/_assets/js/jqm-docs.js
index 91474cc..4589711 100644
--- a/docs/_assets/js/jqm-docs.js
+++ b/docs/_assets/js/jqm-docs.js
@@ -73,3 +73,25 @@ if ( location.protocol.substr(0,4)  === 'file' ||
     });
   });
 }
+
+// Measure the time that passes from pageload until pageshow
+// NB: lists-performance.html should load without a transition to avoid having
+// the transition's duration included in the measurement
+$( document ).bind( "pageload", function( e, data ) {
+	var ar = data.dataUrl.split( "/" ), then;
+
+	// If we're loading "lists-performance.html ..."
+	if ( ar.length && ar[ ar.length - 1 ] === "lists-performance.html" ) {
+		// ... save the event's timestamp, and connect to the page's pagebeforeshow
+		then = new Date();
+		data.page.one( "pageshow", function( e, pbsData ) {
+			// ... then compare the time at pagebeforeshow to the one at pageload
+			var now = new Date(),
+				header = data.page.find( ".ui-header h1:first" );
+			// ... and add/replace a span in the header with the result
+			header
+				.remove( "span:jqmData(role='perfData')" )
+				.append( "<span data-" + $.mobile.ns + "role='perfData'> (pageload -> pageshow in " + ( now.getTime() - then.getTime() ) + " ms)</span>" );
+		});
+	}
+});