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Metrics Library

Complete reference of 51 deterministic metrics used in 3LA LayerScore audits. L1 Content Quality (18 metrics): Readability, Heading Structure, Image Accessibility, Navigation Clarity, Visual Hierarchy, Call-to-Action Clarity, Mobile Responsiveness, Content Scannability, Internal Link Structure, and others. L2 Technical/Structure (21 metrics): Structured Data, Schema Types, Entity Recognition, Canonical Tags, Robots.txt, Sitemap.xml, HTTPS Security, Semantic HTML, and others.

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FROM THE BLOG

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Entity Accuracy Engine - Why we built it and who it's for
Insights

Entity Accuracy Engine - Why we built it and who it's for

LLMs hallucinate about companies, prices, key people and mandates - and it's costing NGOs, universities, research bodies, financial institutions, political actors and agencies real leads and real trust. Here's the background of the Entity Accuracy Engine, and exactly who I built it for.

Aug 24, 2026
AI SEO Tools Comparison in 2026: A Strategist's Honest Take
SEO

AI SEO Tools Comparison in 2026: A Strategist's Honest Take

Classical AI SEO tools grade your content with an LLM. The Three-Layer Approach measures - deterministically - whether AI can find, trust and cite you. Here's the honest comparison. This article was first published on nettpilot.com

Jul 5, 2026
Your GEO Strategy Is Failing Three Out of Four AI Audiences
Insights

Your GEO Strategy Is Failing Three Out of Four AI Audiences

ChatGPT, Claude, Perplexity and Gemini do not share a user base. They share a category name. A 2026 study found only ~11% of domains cited by ChatGPT are also cited by Perplexity. Here is the field guide to a platform-segmented GEO strategy.

May 3, 2026