The 3-Layer Content Brief: Writing for Google Rank and AI Citation at Once
A single content brief can optimise for Google ranking, AI retrieval and AI citation at the same time. Here is the three-layer template, with the checklist for each layer.
Perplexity vs ChatGPT: Why They Cite Different Sources, and 2 Publishing Playbooks
Perplexity leans on primary and news sources; ChatGPT leans on Wikipedia and reference sites. Here is what the published data shows and two publishing playbooks that follow from it.
Optimising for ChatGPT Search: 12 Evidence-Based Tactics Ranked by Citation Lift
Most ChatGPT SEO advice treats every tactic as equal. This playbook ranks 12 tactics by the effect size each one showed in a published study or controlled test.
The Knowledge-Graph Entity-Gap Audit: A 7-Step Method to Find What AI Engines Cannot See
AI engines reason over entities, not keywords. This 7-step audit compares your content to a Wikidata or Google Knowledge Graph snapshot to find the entities you are missing.
10 On-Page Changes Ranked by Citation Lift: A 4-Week UK Micro-Experiment
We took 10 UK pages, applied one isolated change each, and measured citation rate after 4 weeks. Direct-answer block lifted +19pp; meta-description rewrites produced 0pp. Full ranked list with implementation time.
The UK AI Marketing Agency 4-Quadrant Map: Where 50 Firms Cluster
We mapped 50 UK AI marketing agencies on a 4-quadrant grid: strategy vs technical operations, creative vs analytical. 34 cluster in strategic-analytical; only 3 sit in the technical-creative white space.
The 8-Capability AI SEO Expert Matrix: A 100-Respondent UK Survey
We surveyed 100 self-described AI SEO experts on LinkedIn and scored each against 8 capabilities. The median respondent demonstrated 3.7 of 8. Top decile averaged 6.4; bottom decile 1.8. Full distribution.
The First 30% Rule: A 100-Page UK Test of LLM Citation-Position Bias
We re-tested the Ziptie (2025) finding that 44.2% of LLM citations come from the first 30% of a page, against 100 UK commercial pages. The UK panel pushed the figure to 47.3%. Layout, not just content, governs citation.
UK Family Law Firms in ChatGPT: A 100-Firm, 30-Query Citation Audit
We ran 30 family-law queries against ChatGPT, Perplexity and Gemini, logging every cited domain. Here is the league table of UK family-law firms and what separates the cited from the invisible.
Why ChatGPT Cites Content 33 Percent Fresher Than Google: A Per-Engine Editorial Cadence Calculator
Ahrefs analysed 17 million AI citations and found the average ChatGPT-cited page is 958 days old vs 1,432 days for Google SERP. Here is the three-tier refresh cadence that captures that 33 percent gap, with a worked example for a 50-page UK service site.