function handleRequest(request, response) { var count = parseInt(getState('count')); if (!count) { count = 0; } if (count == 0) { response.setStatusLine(request.httpVersion, '200', 'OK'); response.setHeader('Content-Type', 'text/html', false); response.write('Hello world!'); setState('count', '1'); return; } response.setStatusLine(request.httpVersion, "304", "Not Modified"); response.setHeader('Clear-Site-Data', '"storage"'); }