Kres Labs Journal

Growth Marketing Insights

Frameworks, benchmarks, and operational tactics from building growth systems for scaling businesses. Written for founders, marketing leaders, and operators who care about unit economics.

AI & Commerce•August 2026•14 min read

Agentic Commerce Readiness: What Changes When an AI Agent Builds the Shortlist

Assistants now retrieve, compare, and eliminate options before a buyer sees a result. The five-layer Agent Readiness Score, where ACP and AP2 actually fit, and the sequencing error that has most teams building the last layer first.

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AI & Measurement•September 2026•13 min read

The Search Console Generative AI Report: Measuring Visibility Without Clicks

Google now separates AI Overviews and AI Mode impressions into their own Search Console report — with no clicks, no CTR, and no queries. Why the two reports do not reconcile, the four-source Visibility Ledger, and the two metrics impression-only data actually supports.

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AI Content Ops•September 2026•14 min read

Context Engineering for Marketing Teams

Prompt engineering has a ceiling and most marketing teams have already hit it. The Context Layer Stack, the Context Debt Ratio formula for measuring whether your AI workflow actually saves time, and why example-led context beats a twenty-page brand book.

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Paid Media & AI•August 2026•14 min read

Generative Ad Creative Testing: How to Run Paid Media When the Platform Builds the Variants

Meta and Google now generate ad creative inside the ad account — but the arithmetic of statistical significance did not change. The concept-vs-execution split, the creative read threshold formula, and why platform-reported winners are not experiments.

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AI & Paid Media•August 2026•15 min read

AI Ad Creative: What to Control When Meta and Google Automate the Rest

Ad platforms now generate the creative, choose the audience, and set the bid. The Creative Control Stack — what to hand over, what to gate — and why the Variant Ceiling means shipping more AI-generated ads usually makes performance worse.

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Diagnostics & Analytics•August 2026•10 min read

August 2026 Ranking Volatility: How to Tell a Real Algorithm Hit From a Reporting Artefact

Trackers spiked August 1–3 but Google has not confirmed an update. Four diagnostic checks to run before making a single change — isolate Discover, verify GA4, spot the seasonality, and check the Search Status Dashboard.

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AI & Infrastructure•August 2026•15 min read

AI Crawler Access: Which Bots to Allow, Block, or Charge

On 15 September 2026 a large slice of the web flips to permission-by-default for AI crawlers. The Crawler Exchange Rate — why training, retrieval, and agent bots deserve opposite policies — the Google-Extended trap, and a five-step access audit.

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AI & Automation•July 2026•15 min read

AI Agents for B2B Marketing: Workflows, Stack, and ROI

AI marketing agents plan, execute, and optimise workflows — not just draft. What separates an agent from automation, the workflows worth handing over first, a four-layer deployment stack, and the honest reason most agent projects fail to produce ROI.

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AI & Search•July 2026•15 min read

Generative Engine Optimization (GEO): How B2B Brands Get Cited by ChatGPT, Perplexity and AI Overviews

GEO earns citations inside AI answers, not rankings on a results page. The five-lever GEO Stack, the Princeton research behind it, directional benchmarks, and a 90-day sequence to earn AI citations.

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AI & Measurement•July 2026•14 min read

AI Search Attribution: Measuring Traffic From ChatGPT, Perplexity and Gemini

Most AI-assistant traffic is logged as "Direct". The four-layer attribution stack — citation monitoring, log detection, referrer grouping, and self-reported capture — that makes the channel reportable.

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Benchmarks•July 2026•16 min read

CAC Benchmarks for SaaS in 2026

Definitive 2026 CAC reference — segmented by ACV tier, channel, and region. Payback benchmarks, historical trend data, and levers that reliably move CAC.

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Unit Economics•July 2026•18 min read

How to Calculate LTV:CAC Ratio

The complete 2026 guide to unit economics — formulas, industry benchmarks, worked examples, and the levers that actually move the number.

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More Cornerstone Guides Coming Soon

We publish long-form operational guides — not thought-leadership fluff. Next up: CAC benchmarks for SaaS, marketing automation vs CRM, and how to structure a growth marketing pod.

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