How does Google remarketing work?
Remarketing works by placing cookies on your website visitors machine when they meet your criteria. Their cookie ID is added to your remarketing list. You can have multiple lists with a range of different criteria depending on what user actions matter to you. For example you may wish to target visitors that viewed a particular page or section on your website but didn't make a purchase or complete and enquiry form.
How does Facebook remarketing work?
One of the many benefits of installing a Facebook pixel into your website is the fact that you can remarket to qualified leads — people who have already taken some kind of action on your website. You can choose to re-target custom audiences such as people who have visited specific web pages, have already made a purchase or even eliminate purchasers from your custom audience.