Safari Web (Push) Notifications are clickable popups that you can send to customers (subscribers) in real time and they will be displayed on their computers or tablets even if they have left your website and closed the browser. PushAd enables sending push notifications to reattract to your website those users that have subscribed to receive notifications and use Safari. OS X Mavericks presented an effective tool enabling to engage users on the website. Now you can use PushAd and Apple Push Notifications Service in order to send notifications directly to the computers of your website's users. Notifications may include your logo or notification's content linking to the URL address specified by you.