Add to user some audiences (also known as retargeting) when user browses some web pages on your site.
This pixel should be shown to user directly in browser (i.e. built on some page of your web site).
GET/rtg.gif
GET query parameters
app_id[string]
— Application ID (can be found in SSP)
px[string]
— Unique pixel identifier, can be requested from support in demo mode rr later found in Self Service Platform