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How to Track Marketing ROI and Lead Sources (2026)

An honest, practical take on WhatConverts from GrowwithBA, built on real client use, not a copied spec sheet.

By GrowwithBA · Updated August 2026 · 7 min read
Quick answer

WhatConverts is a lead tracking and attribution platform that captures calls, forms, chats and ecommerce, then ties each lead back to the exact campaign, keyword and source. Best for agencies and marketers who need to prove ROI and know which channels actually generate leads, not just clicks.

This is a practical, step-by-step guide. We run this exact workflow with WhatConverts for clients, here is how to do it yourself.

Key Takeaways
  • Step 1: Add tracking: Set up call, form and chat tracking.
  • Step 2: Capture leads: Every lead is logged with its source.
  • Step 3: See attribution: Know which campaigns and keywords convert.
  • Step 4: Prove ROI: Report lead value, we help act on it.

Step 1: Add tracking

Set up call, form and chat tracking.

Step 2: Capture leads

Every lead is logged with its source.

Step 3: See attribution

Know which campaigns and keywords convert.

Step 4: Prove ROI

Report lead value, we help act on it.

Try WhatConverts for yourself

We use WhatConverts and set it up for clients. Start free through our link, or have us run it for you.

Common mistakes to avoid

  • Setup takes configuration
  • Call tracking numbers add cost
  • Overkill for very low lead volume

A realistic timeline

This kind of work rarely delivers overnight. Expect early results in a few weeks of consistent effort, compounding over the following months. The teams that succeed execute steadily rather than chasing shortcuts, consistency is the real lever. Set a weekly rhythm and stick to it.

Common mistakes to avoid

  • Trying every tactic at once instead of sequencing by impact
  • Measuring vanity metrics instead of outcomes that tie to revenue
  • Abandoning changes before they have time to compound
  • Skipping the fundamentals to chase advanced tactics

When to get expert help

If you’ve worked through the steps and hit a plateau, the constraint is usually execution capacity or expertise, not strategy. That’s where specialists pay off. GrowwithBA handles how to track marketing roi and lead sources for clients with experienced marketers and a free 24-hour audit that pinpoints exactly what to fix first.

The practical next step

Don’t over-research how to track marketing roi and lead sources (2026). Narrow to your two non-negotiables, test your leading option on a live workflow, and decide from that hands-on read rather than feature lists. If you’d rather have an experienced recommendation, our free audit gives you one tied to your specific setup.

FAQ

What does WhatConverts do?

It tracks calls, forms and chats and attributes each lead to the exact campaign, source and keyword, so you know what drives leads.

Is it good for agencies?

Yes, it's a favorite for proving marketing ROI to clients with white-label reports.

Does it track phone calls?

Yes, call tracking with keyword-level attribution is a core feature.

Is there a trial?

WhatConverts offers a trial, start through our link.

Affiliate disclosure: this article contains affiliate links. If you sign up through them we may earn a commission at no extra cost to you. We only recommend tools we use ourselves.