Thinking that earns its place.

Research, analysis, and strategic commentary on marketing attribution, AI search visibility, and data-driven performance. Published by Arcalea practitioners with active client work in each area.

What a Grounded Site Assistant Is, and How It Turns Your Website Into an Answer Engine That Keeps the Lead

A grounded site assistant answers your buyers from your own content, in your brand voice, at the moment they ask. In the answer-engine era it turns your website into an accurate answer engine that keeps the visit and the lead, safely.
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AEO Industry Index

Harvard Leads. Wharton Dominates Volume. The Other Five Are Competing for What's Left.

Arcalea tracked 40 prompts across ChatGPT, Perplexity, Gemini, and Claude to measure which M7 business schools appear in AI-generated answers to MBA applicant queries. The composite scores reveal a 9-point gap between the top three and the bottom four, plus a platform-level split no one saw coming. 

7 M7 schools ranked 767 AI mentions analyzed 4 platforms
Arcalea Research Team
Higher Ed · March 2026
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AEO Industry Index

The Agencies Winning on Google and the Agencies Winning in AI Are Not the Same Companies.

73 prompts. 247 AI responses. 15 surrogacy agencies tracked. Arcalea's surrogacy AEO Index reveals a fundamental split: of 15 agencies in the index, exactly one wins on both Google and AI. Every other agency is winning on one channel and losing on the other.

15 agencies tracked 247 responses 4 platforms
Arcalea Research Team
Surrogacy · March 2026
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AEO Industry Index

Ferguson Dominates. Hajoca Doesn't Exist. The $40B Distribution Market Has an AI Visibility Problem.

62 prompts. 21 distributors. The largest private plumbing distributor in the US operates under 60-plus regional trade names, and AI engines have no idea who they are. Arcalea's commercial distribution index documents the entity fragmentation problem hiding inside the industry's market structure.

21 distributors ranked 62 prompts 4 platforms
Arcalea Research Team
Commercial Distributio · March 2026
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Industry Report

Twelve Predictions for Digital, Data, Analytics & AI in 2026

Six global practitioners. Twelve expert-backed predictions across digital infrastructure, data architecture, AI governance, agentic workflows, and ROI frameworks. Download the D2A2 2026 Insights Report to see where enterprise leaders are placing their bets.

12 predictions 6 practitioners 2026 outlook
Arcalea Research Team
Enterprise AI · March 2026
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Framework

The Architecture of Authority: How SEO, AEO, and GEO Work Togethe

The three disciplines that determine which brands get cited by AI engines versus which get ignored. A structural overview of how authority is built in the AI search era.

Arcalea Research Team
Research · 2025
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Business Intelligence and Predictive Revenue Modeling: The Arcalea Revenue Clarity Framework

Predictive revenue modeling connects advertising spend to projected revenue by tracing conversion paths from initial investment through customer lifetime value. Arcalea's Revenue Clarity Model structures this process into three implementation layers that any organization can deploy against existing marketing and financial data.

Chris Larkin
14 min read
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B2B Attribution: Measuring Impact Across Complex Sales Cycles

B2B attribution fails when organizations apply B2C logic to enterprise sales. This guide covers how to select the right multi-touch model, configure HubSpot or Salesforce to capture account-level data, measure marketing credit at every pipeline stage, and map the buying committee in ABM programs.

Chris Larkin
28 min read
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A Complete Guide to Attribution Models

Marketing attribution distributes conversion credit across the touchpoints in a customer journey. There are 7 primary attribution models in use today, from first-touch to algorithmic data-driven, each producing meaningfully different channel ROI numbers from the same underlying data.

Chris Larkin
10 min read
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Independent Cookieless Attribution

Learn how to measure marketing impact in a cookieless world. Discover strategies for first-party attribution that don't rely on third-party cookies.

Chris Larkin
13 min read
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GA4 Data-Driven Attribution: What It Measures Well and Where It Falls Short

GA4's Data-Driven Attribution model uses machine learning to assign conversion credit across touchpoints, a meaningful step beyond last-click. But it has real constraints that affect how reliable its outputs are for budget decisions. Here is what marketing and analytics teams need to understand before relying on it.

Chris Larkin
14 min read
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Multi-Touch Attribution: How to Measure the Full Customer Journey

Modern customers encounter 20+ touchpoints across multiple channels before converting. Multi-touch attribution distributes credit across all interactions, revealing true channel value and enabling data-driven budget optimization.

Chris Larkin
10 min read
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Privacy-First Advertising in 2026: What Actually Replaced Cookies

Google reversed its plan to deprecate third-party cookies after 4 years of announced deadlines. Apple’s ATT framework reduced measurable iOS conversion data by 30 to 50% for most advertisers. This article covers what actually changed in the privacy-first shift, which predictions came true, and how to measure advertising without relying on platform-reported attribution.

Chris Larkin
23 min read
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Return on Marketing Investment

ROMI quantifies the financial value generated by marketing. Learn how to calculate it, apply it to budgeting and strategic decisions, and understand the key variables that drive meaningful measurement.

Chris Larkin
11 min read
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Quantitative Market Assessment: A Complete Guide

A quantitative market assessment measures your actual competitive position across seven dimensions of digital marketing performance before a market entry, category expansion, or major budget commitment.

Chris Larkin
10 min read
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Data Science Maturity Models: A Broad Consensus Composite

Data science maturity models provide a framework for assessing and progressively improving organizational capability. This guide synthesizes key models into a consensus framework with five levels: Ad-Hoc, Foundational, Integrated, Cultural, and Transformational. Assess where your organization stands and how to advance.

Chris Larkin
7 min read
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Share of Voice in 2026: Search, AI, and Paid: The Complete Strategic Guide

Share of Voice has always been about competitive visibility. In 2026, that visibility spans three distinct channels: paid media, organic search, and the AI-generated responses that now drive 83–93% zero-click consumption. Brands measuring only paid and organic are missing their fastest-growing visibility gap.

Chris Larkin
14 min read
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How AI Search Engines Understand and Rank Content in 2026

AI systems understand content through semantic meaning, not keywords. Learn how RankBrain, BERT, MUM, ChatGPT, and Perplexity interpret your pages, and how to optimize for answer-first ranking across all AI search surfaces.

Chris Larkin
22 min read
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