Have you noticed that after you visit a website, you start seeing their ads on Facebook? This is called retargeting or remarketing.
Those websites use Facebook’s retargeting technology, commonly known as Facebook Pixel.
The retargeting pixel does not add anything visible on your website. It simply sends a browser cookie to your visitors.
This allows Facebook to retarget users visiting your website on Facebook.
Let’s take a look at how you can add a Facebook retargeting pixel to your WordPress site.