| Facebook | Pixel cookies <br> <br><code>fr</code>, <code>datr</code>, <code>reg_ext_ref</code>, <code>reg_fb_gate</code>, <code>reg_fb_ref</code>, <code>sb</code>, <code>wb</code> <br> <br>Conversion API cookies <br> <br><code>client_user_agent</code>, <code>action_source</code>, <code>event_source_url</code> | The Facebook pixel allows us to see how many people take action on our ads and which ad led to a conversion. <br> <br>Website events are shared with the Facebook Conversions API. This contributes to improving quality of events used for ad delivery