All you need to do is add a tracking code on the pages of your website. This code drops an anonymous cookie in your visitors' browser and creates lists of audiences who have visited your website. Use that Audience List to identify your lost visitors and displays retargeting ads to those users across almost any site on the web.
98% of online users don't convert on their first visit. Using retargeting, you target your customers back to your website and increase your conversion rate.
Retargeting campaigns are highly efficient because you're targeting your audience list.
On average, you get $100 return on $10 investment.
Retargeting increase your brand awareness!