
GEO Metrics: Mention Rate, Citation Rate, What to Measure
Mention rate vs citation rate, per-engine reads, verification against real answers, and how fast AI answers actually change.
Topic
How ChatGPT, Perplexity, Gemini, Copilot, and Google AI Mode build answers, and how to measure what they say.

Mention rate vs citation rate, per-engine reads, verification against real answers, and how fast AI answers actually change.

Per-tenant API keys, your own report layer, and about $62 per client per month in data costs at 200 daily prompts.

LLM scraping reliability in production: which providers publish SLAs, what breaks in-house, and what 1,000 ChatGPT answers actually cost.

LinkedIn is widely described as the second most cited domain in AI search. On a fixed set of 116 prompts run monthly across four AI engines, its share of answers fell from 13.8% in February 2026 to 4.8% in July. Articles carry almost all of what remains, and company pages almost none of it.

Wire a Google Search MCP server into Claude or Cursor and your agent can pull live, structured SERP data (organic results, AI Overviews, and People Also Ask) in one tool call.

We tested 7 Gemini scrapers against Google's anti-bot layer, grounded-sources parsing, and citation extraction to find the best Gemini scraper for 2026.

Ask an AI assistant the same local question from California and from New York and you can get two completely different sets of recommended businesses. We measured how much AI answers change by US state across ChatGPT, Copilot, Gemini, Perplexity, and Google AI Mode.

AI engines cite a source on 91% of 'best X' answers but only 81% of definitions. That 10-point swing is driven by query intent, not subject. Across eight verticals citation presence stays in a tight 82–88% band. If you want to be cited, the shape of the question you answer matters more than the industry you're in.

AI engines ship no dashboards, so you query them yourself. A developer's guide to tracking AI search visibility: brand mentions, citations, and share of voice.