Ad displays for people who have already visited your site is one of the most common forms of remarketing. The ads can appear on two main types of platforms.
Brands who set up their remarketing campaigns through Google Ads will have their ads appear throughout the Google display network. Google Ads offers the largest platform for PPC (pay-per-click). This makes it a great means of reaching millions of people around the world.
You can also set up these display ads on your social media platforms. Facebook and Twitter offer their own ad display platforms. Given the fact that Facebook reaches over a billion people around the world, this provides a great platform for reaching prospects.