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.
14 ChatGPT Ranking Factors With Confidence Scores: Q1 2026 Prompt-Leak Evidence
We synthesised public ChatGPT prompt-leak reporting, peer-reviewed retrieval research and our 50-query AiBoost behaviour test into a single 14-factor map with confidence scores. 5 high-confidence, 6 medium, 3 low.
GEO vs SEO: A 12-Signal Transferability Map Backed by 2024-2026 Data
We mapped 12 ranking signals against classic SEO and generative engine optimisation. 5 transfer cleanly, 4 do not, and 3 flip. Anchored to Ahrefs 2025, Profound 2025, arXiv 2024 and AiBoost UK panels.