What every parameter in a tracking request means, platform by platform, in the words the Tag Master extension uses next to a live hit.
Every parameter a GA4 /g/collect request carries — tid, cid, sid, en, ep. and epn., pr1, gcs and more — what each means, and the mistakes that make GA4 drop data.
37 parameters · 17 checks
Open the reference →Every parameter in a Meta Pixel request to facebook.com/tr — id, ev, eid, cd[value], cd[currency], ud[em], fbp, fbc — what each means, and what breaks dedup.
19 parameters · 5 checks
Open the reference →Every parameter a Google Ads conversion request carries — label, value, currency_code, oid, gclid, auid, em, ec_mode, gcs — what each means, and what to check.
46 parameters · 3 checks
Open the reference →What a TikTok Pixel event carries — event, event_id, pixel code, value, currency, content_id, content_type — what each means, and what breaks matching.
14 parameters · 5 checks
Open the reference →For a platform not listed here, paste its request into the tracking request decoder: it recognises 63 platforms and names every parameter it knows.