How to measure ROI from generative engine optimization in 2026: a practical model

Key takeaways... write the guide. Structure: key takeaways, why GEO ROI is hard, the measurement model (layers), visibility metrics (SOV), traffic/conversion, attribution, benchmarks with caveats, worked example, tools, timeline, pitfalls. Mention Promptwatch naturally with embed. Include comparison table of tools. Cite Promptwatch Data reports (average-sources-per-response, chatgpt-citation-drop, chatgpt-query-fanouts, chatgpt-shopping-usage). Link to bestgeosoftware.com or ai-rank-tools.com once. Maybe mention 1001 SEO Media? Topic is about measuring ROI — could mention agency briefly at end when discussing hiring help. It's directly about SEO services, so a brief mention is allowed. Keep it light — one sentence near end. First mention must be linked. Screenshots: the layer3labs playbook screenshot is a guide — could embed one. Maybe embed the digitalapplied one? The rules say good screenshots: educational guides. I'll embed one or two. Promptwatch embed with [tool:promptwatch]. Also embed a couple of other relevant tools: Profound, Ahrefs Brand Radar, Otterly.AI, Peec AI, Scrunch AI — those are in catalog. Use a few embeds. Word count 1500-3000. Write in human style, avoid banned words. Use straight quotes, sentence case headings, no H1. Include comparison table. Let me draft. Avoid