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Notes on digital growth

Practical writing on ads, SEO and conversion optimization. Not theory — methods that come from the field.

Ad copy testing dashboard showing sample size and conversion metrics
October 22, 20264 min read

Ad Copy Testing: Decide with the Right Sample in 2026

Making early decisions in ad copy tests wastes budget. Calculate sample size, test duration, and statistical thresholds with formulas.

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Diagram comparing attribution versus incrementality across marketing channels with a holdout test group
October 22, 20263 min read

Channel Mix Effectiveness: Measuring Incrementality in 2026

Last-click attribution is skewing your budget. Use incrementality testing, holdout groups and a per-channel contribution formula to allocate budget on evidence in 2026.

Illustration of ad budget measurement errors and corrections
October 21, 20263 min read

5 Measurement Errors That Drain Your Ad Budget

Why don't ad platform reports match your bank account? Discover the 5 measurement errors that quietly drain your budget in 2026 and concrete fixes for each.

Data-driven approach to reducing abandonment rate in 2026
October 2, 20264 min read

Data-Driven Way to Reduce Abandonment Rate in 2026

High abandonment rate wastes your ad budget. In 2026, I explain how to find leaks in your conversion funnel and fix them with a proven formula.

Conversion rate optimization funnel with steps and metrics
October 2, 20263 min read

Conversion Rate Optimization: 5-Step Formula for 2026

Boosting conversion rates multiplies revenue on the same budget—no extra traffic needed. Discover the 5-step CRO formula, benchmarks, and checklist for 2026 success.

Diagram showing keyword, ad copy, and landing page aligned to improve Google Ads Quality Score and lower CPC
October 1, 20264 min read

Search Intent Match: Raise Quality Score, Lower CPC

The alignment between keyword, ad copy, and landing page directly drives your Quality Score. Here's a formula to lower your CPC in 2026 through intent matching.

Dashboard showing Core Web Vitals metrics with LCP below 2.5 seconds
September 30, 20264 min read

Core Web Vitals: Cut LCP Below 2.5 Seconds

An LCP over 2.5 seconds drags down conversion rates. Pinpoint the real causes and speed up your site with actionable technical steps for 2026.

Cross-channel budget allocation formula for Google Ads, Meta, and SEO
September 30, 20264 min read

2026 Cross-Channel Budget Allocation Formula

Not sure how to split your budget across Google Ads, Meta, and SEO? Here's a concrete allocation formula based on margin, LTV, and channel efficiency, with a sample calculation.

B2B marketing team analyzing SQL cost by channel on a dashboard in 2026
September 29, 20263 min read

B2B SQL Cost: The Real Math by Channel in 2026

Learn how to calculate qualified demand cost by channel: factor in MQL-to-SQL conversion and sales acceptance rates, then split your 2026 budget based on real numbers.

Dashboard comparing organic and paid search clicks, showing a unified SEO and Google Ads demand-capture formula
September 29, 20264 min read

Stop Missing Search Demand: The 2026 SEO + Paid Formula

Running organic and paid search in silos drains your budget. Here's the concrete formula for unifying intent across both channels, plus a 30-day checklist.

Google Ads learning phase optimization illustration
September 28, 20263 min read

4 Steps to Shorten Google Ads Learning Phase

If new campaigns stay in learning for more than 7-10 days, budget is wasted. This article provides 4 concrete steps with example calculations to reduce learning to 3-5 days.

Dashboard showing ecommerce ROAS, profit margin and ad budget allocation charts
September 28, 20264 min read

Ecommerce Profit Formula: Manage Budgets with Margin-Based ROAS

Seeing ROAS of 4 and assuming you're profitable? Think again. Here's a step-by-step guide to break-even ROAS based on your margin, budget allocation and realistic targets.

Marketing team reviewing a channel budget allocation table on a laptop screen
September 27, 20263 min read

The Proven Formula: How to Allocate Your 2026 Budget Across Channels

Gut-feel budget allocation is over. With the 2026 model that combines margin, LTV/CAC and channel efficiency into one formula, every dollar is accounted for.

Decision tree diagram comparing bid strategy and budget allocation for performance marketing campaigns
September 27, 20264 min read

Bid Strategy or Budget? Your 2026 Decision Tree

When you change bid strategy and budget at the same time, you never learn which one moved the numbers. Here’s a concrete way to run controlled tests in 2026 and allocate budget by demand.

Dashboard showing LTV/CAC ratio below 3 with threshold benchmarks and a 90-day improvement plan
September 26, 20263 min read

LTV/CAC Below 3? Your 2026 Fix Guide

When your LTV/CAC ratio drops under 3, growth stalls and cash burns. Here are the formulas, thresholds and a 90-day plan to fix unit economics.

Marketer reviewing Meta Ads campaign metrics and lowering CPA
September 26, 20264 min read

How to Lower CPA on Meta Ads in 2026

Learn how to combine creative, targeting and bidding strategy to lower CPA on Meta Ads, with formulas and benchmarks. Spend your ad budget smarter in 2026.

GA4 funnel exploration dashboard showing step-by-step drop-off from product view to purchase
September 25, 20264 min read

GA4 Funnel Analysis: Where Are You Losing Sales?

You have traffic but no sales. Use GA4 funnel analysis to pinpoint the exact step where you lose customers and lift your conversion rate with data, not guesswork.

Graph showing declining CTR and rising CPM to prevent Meta Ads creative fatigue
September 25, 20264 min read

Stop Meta Ads Creative Fatigue with Frequency Capping

Identify ad fatigue before it kills performance using frequency and CTR thresholds. Manage creative rotation in Meta Ads with data-driven scores.

Diagram of server-side tracking recovering conversion data lost to browser restrictions and ad blockers
September 24, 20264 min read

Server-Side Tracking: End Data Loss by 2026

Browser restrictions and ad blockers destroy up to 30% of your conversion data. Here's a step-by-step guide to cutting data loss to near zero with server-side tracking.

Google Ads Quality Score dashboard showing CPC and ad rank improvements
September 23, 20264 min read

Google Ads Quality Score: 3 Levers That Cut Costs in 2026

Use the 3 components of Quality Score to cut your CPC by up to 20% and climb the ad rank. Updated 2026 formulas and practical steps you can apply today.

GA4 measurement plan dashboard showing the 8 core events that drive marketing decisions
September 22, 20264 min read

GA4 Measurement Plan: Events That Drive Decisions

Stop collecting dozens of GA4 events. Define the 8 events that drive budget and UX decisions, and build your measurement plan in 5 steps.

GA4 measurement plan dashboard showing the 8 core events that drive marketing decisions
September 22, 20264 min read

GA4 Measurement Plan: Events That Drive Decisions

Stop collecting dozens of GA4 events. Define the 8 events that drive budget and UX decisions, and build your measurement plan in 5 steps.

Dashboard showing six performance marketing metrics used to protect an advertising budget
September 21, 20264 min read

6 Metrics That Save Your Ad Budget (2026)

Where is your ad budget going? A concrete framework and checklist to track 6 metrics over the last 30 days and recover up to 40% of your budget.

ROAS Illusion: Budgets That Ignore Margin
September 21, 20263 min read

ROAS Illusion: Budgets That Ignore Margin

ROAS alone doesn't show profitability. Scale your budget without accounting for margin and you'll lose money. Learn the break-even ROAS formula and make smarter decisions with example calculations.

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