utm_source (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), utm_medium (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), utm_term (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), utm_content (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), utm_campaign (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), utm_reader (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), utm_place (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), utm_userid (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), utm_cid (Old Urchin Traffic Monitor, now part of Google Analytics. It is also recognised by Yandex.), ga_source (Google Analytics), ga_medium (Google Analytics), ga_term (Google Analytics), ga_content (Google Analytics), ga_campaign (Google Analytics), ga_place (Google Analytics), gclid (Google Analytics), yclid (), _openstat (), fb_action_ids (Facebook), fb_action_types (Facebook), fb_ref (Facebook), fb_source (Facebook), fbclid (Facebook), hc_ref, fref, action_object_map (Facebook), action_type_map (Facebook), action_ref_map (Facebook), _hsenc (), _hsmi (), mkt_tok (), gs_l, xtor (Operated by Xiti), af_c_id (AppsFlyer tracking id)