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MTK Attribution

Know exactly where every lead came from

A lightweight first-touch tag captures UTMs, click IDs, landing page and referrer — then attaches them to every form submission and pushes them straight to the CRM.

form_submit → CRM
mtk_sourcegoogle / cpc
mtk_mediumpaid_search
mtk_campaignspring_promo
mtk_gclidCj0KCQ…7aAqE
mtk_landing/pricing
mtk_referrergoogle.com
mtk_first_seen2026-03-14 09:12
Delivered to HubSpot · 240ms
First touch to first deal

The whole journey, stitched together

01
Visitor clicks an ad

The tag reads UTMs and click IDs on the very first pageview and stores them first-touch.

02
Browses across sessions

Original source survives return visits — no last-click overwrite, no lost origin.

03
Submits a form

Hidden fields populate automatically, so attribution rides along with the lead.

04
Lands in the CRM

Sales sees the true source on the contact record and closes the loop on ROI.

Everything it captures

One tag, the whole picture

Every field below rides along with the lead, organized by when it was captured.

First touch— locked on the very first visit
utm_sourceutm_mediumutm_campaignutm_termutm_contentlanding_pagefirst_referrerfirst_seen
Last touch— refreshed on the converting session
last_sourcelast_mediumlast_campaignlast_referrerlast_landingconverted_at
Click & ad IDs— for platform match-back
gclidgbraidwbraidfbclidmsclkidttclid
Session & device— context on every submission
session_countpages_vieweddevice_typebrowserlanding_pathtime_to_convert
Install in minutes
One GTM tag per client site

Paste one Custom HTML tag with the client's license key. No build step, no npm, no site rebuild.

<!-- GTM · Custom HTML -->
<script
src="//attr.boggsmtk.com/t.js"
data-key="acme-dental">
</script>
Served from Cloudflare's edge · fail-open by design
Cross-domain, cookieless-friendly

First-party storage with graceful fallback — keeps working when third-party cookies don't.

Maps to any CRM field

HubSpot, Salesforce, Go High Level or a plain hidden input — you choose the field names.

Stop losing the source of your best leads