Field Notes.

Operating principles and playbooks from years of hands-on growth work — paid acquisition, tracking, and the data that ties them together. Published when there's something worth saying.

Field note · 014 · Featured 15 Aug 2026

How much of your Google Ads
budget is wasted?

Across audited accounts, 15-30% of Google Ads spend typically goes to waste before anyone looks. The five places it hides, and how to find your number in ten minutes.

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№019Growth

B2B Ecommerce Growth: From Zero to Seven Figures.

Five years building a B2B supplier's online presence from nothing to a seven-figure store. What actually moved the number, in the order it mattered.

15 Aug 2026
№017Paid

Google Ads for Chauffeur & Luxury Transport: The Playbook Behind a Fleet Tripling.

Three years running Google Ads for a chauffeur and luxury transport operator in Ireland and the UK, tripling the fleet. The instant-quote, tracking and account structure that made it work.

15 Aug 2026
№016Paid

Google Ads for Lead Quality, Not Lead Volume: The Instrumentation That Makes It Possible.

Optimising for lead volume is the default setting of every Google Ads account, and it's usually wrong. The instrumentation that lets you optimise for quality instead.

15 Aug 2026
№015Paid

Performance Max for Lead Gen: How to Stop Paying for Junk Leads.

Performance Max can work for lead gen, but only when it's fed a qualified conversion signal and given real guardrails. The setup that keeps it from buying junk leads.

15 Aug 2026
№013Tracking

Offline Conversion Tracking for Lead-Gen: Closing the Loop to Your CRM.

A form fill is not a customer. Offline conversion tracking feeds Google Ads what happens after the lead, qualified, closed or wasted, so Smart Bidding learns to buy the leads that actually convert.

15 Aug 2026
№012Tracking

First-Party Tracking After Cookie Deprecation: A Practical Setup.

Third-party cookies are already unreliable in Safari and Firefox, whatever Chrome eventually does. The first-party tracking setup that survives the transition, practically, not theoretically.

15 Aug 2026
№011Tracking

The 12 Signs Your Conversion Tracking Is Lying to You.

A working checklist of the twelve most common conversion tracking failures, from double-firing tags to Smart Bidding trained on the wrong signal. Tick the ones you recognise.

15 Aug 2026
№010Tracking

Server-Side GTM: What It Costs and When It's Worth It.

Server-side Google Tag Manager recovers signal lost to ad blockers and browser privacy limits, but it isn't free or always necessary. Real costs, and a straight test for when it pays for itself.

15 Aug 2026
№008Paid

Google Ads for self-storage: lead quality over lead volume.

The playbook from two years running paid for the Middle East's largest storage provider: optimise for move-ins, not enquiries.

27 Jul 2026
№007Tracking

Why GA4 and Google Ads conversions don't match.

The two platforms answer different questions by design. The six reasons the numbers differ, and which to trust for what.

27 Jul 2026
№006Fractional

Fractional growth engineer vs fractional CMO.

One leads, one builds. The three questions that tell you which your company actually needs first.

27 Jul 2026
№005Fractional

What is a fractional growth engineer?

How the role differs from a fractional CMO, an agency and a full-time hire, and the questions to ask anyone wearing the title.

06 Jul 2026
№004Operating

The best growth teams ship faster than they strategize.

Three observations from years of growth work — and what makes the high-leverage teams different.

17 May 2026
№003Tracking

You don't have a data problem. You have a definitions problem.

Why "active user" means seven different things across your tools — and how to fix it in one afternoon.

02 May 2026
№002Paid

Server-side conversion APIs aren't optional any more.

iOS attrition, browser deprecations, and the work that recovers the signal most accounts are quietly losing.

18 Apr 2026
№001CRO

The five experiments every onboarding should run.

A field-tested playbook — what to test, in what order, and why sequence beats volume.

04 Apr 2026
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