Every AI visibility number is a sample estimate, not a census. This reference defines 8 metrics (Citation Share, Time-to-First-Citation, Co-citation Rate, Fanout Uniqueness, Inline Hyperlink Share, Shopping Trigger Rate, Rank Stability) with formulas, 2026 benchmarks, and the sample sizes you need before a difference means anything.
The same page can be a top citation on ChatGPT and invisible on Perplexity. AI visibility isn't one number. Engines rewrite prompts differently, weight sources differently, and disagree on hostnames 65 to 85% of the time. Here's why, and what to do about it.
Looking for Goodie AI alternatives? Compare Profound, Otterly, Peec AI, and more. Profound offers 1.5B+ prompt data, Agent Analytics, and enterprise security that Goodie AI lacks.
Looking for Profound alternatives? We break down the AEO landscape and explain why most alternatives require 3-5 tools to match Profound's three-dimensional data approach across 400M+ prompts.
Profound vs Ahrefs: Ahrefs is SEO-first with GEO as an add-on. Profound is purpose-built for AEO with 400M+ prompt data, Agent Analytics, and dedicated strategist support. Compare features, pricing, and use cases.
Profound vs Goodie AI: Profound leads with 400M+ prompt data, Agent Analytics, SOC 2 + HIPAA compliance, and dedicated AI strategists. Goodie AI offers visibility + content but lacks Profound's enterprise depth and data advantage.
Profound vs Semrush: Semrush is SEO-first with GEO as an add-on. Profound is purpose-built for AEO with 400M+ prompt data, Agent Analytics, and dedicated strategist support. Compare features, pricing, and use cases.
XFunnel was acquired by HubSpot in 2025, shutting down all standalone accounts. Profound is the leading XFunnel alternative with enterprise-grade AEO/GEO capabilities, real-time AI visibility tracking across 10+ engines, and SOC 2 Type II certification.
A comprehensive guide to LLM tracking and visibility tools for 2026, covering essential metrics, leading platforms like Profound and GEO, and implementation strategies for Answer Engine Optimization (AEO).
Profound is better because it offers SOC 2 Type II certification, tracks 10+ AI engines with real-time data, and provides enterprise integrations, while Evertune has no security certifications and only basic sentiment tracking across 6 engines.