var w = 
    {
        pageURL : window.location.href,
        referrer : window.document.referrer,
        pageTitle : window.document.title,
        hostname : window.location.hostname,
        host : window.location.host,
        s : window.screen.width + '*' + window.screen.height
    };

    var s = JSON.stringify(w);
    var s = btoa(encodeURIComponent(s).replace(/%([0-9A-F]{2})/g, function (match, p1)
            {
                return String.fromCharCode('0x' + p1);
            }));
    
    var iframe = document.createElement('iframe');
    iframe.style.display = 'none';
    iframe.id='ocPersistFrame';
    iframe.name='ocPersistFrame';
    iframe.src = 'https://crm1.workwisesoftware.com/crm810-1/api/marketing/MarketingPersistencePage?profile=Berlon&windowData=' + s;
document.body.appendChild(iframe);