GEO Pulse
Today in 30 seconds
1
Semrush: 126M prompts, 36 brands: Analyzing 126 million U.S. AI prompts across ChatGPT, Gemini, Google AI Mode, and AI Overviews found only 36 brands in the top-100 across all four platforms simultaneously. ChatGPT uses 15 sources per response; Gemini averages 3.
2
Seer: Content recency study (47K citations): 75% of AI-cited pages were updated within the last year. Gemini is freshest (78%), ChatGPT at 73%, Perplexity at 65%. Over 25% of "fresh" citations go to pages originally published 2+ years ago but actively maintained.
3
Meltwater June 2026 citation tracker: YouTube citations grew 56.4% month-over-month to 188K. NIH surged 41%. Earned/news media share fell from 39.5% to 37.6% - the "Other" category (social, forums, directories) now accounts for 53.7% of all AI citations.
4
8,400-prompt brand tracker: Winning an AI citation produces a 23% branded-search lift within 30 days. Citations persist an average of 41 days before drifting. Top 3 brands in any category capture 64.7% of all citation share - concentration is extreme.
Lead Story
126 Million Prompts, 4 Platforms, 36 Brands: The Concentration of AI Citation Authority Is Extreme
Semrush's expanded AI Visibility Index analyzed 126 million U.S. AI search prompts across ChatGPT, Gemini, Google AI Mode, and Google AI Overviews from January through April 2026. The headline finding: only 36 brands managed to maintain top-100 citation visibility across all four platforms simultaneously. The platform-to-platform divergence is significant — ChatGPT averages 15 sources per response while Gemini averages just 3, meaning Gemini citation authority is far more concentrated and harder to break into. Industry concentration compounds the problem: in News/Media, the top three brands hold 82.9% of all citation visibility; in Finance, the top three hold 41.4%. The data also reveals a 2.25x performance gap between organizations that have integrated SEO and AI visibility strategies versus those still running them as separate silos — 81% of integrated programs reported increased traffic vs. 36% of siloed ones. And 45% of marketing leaders still cannot accurately measure their brand's visibility in AI answers.
Read the full index →
This Week
47,097 Citations Analyzed: 75% of AI-Cited Pages Were Updated Within the Last Year — But "Fresh" Doesn't Mean "New"
Seer Interactive's recency study is the most granular freshness analysis published to date. Analyzing 47,097 citations across LLMs, 75% of cited pages were updated within the last year and 88% within two years. The engine-level split matters: Gemini most aggressively weights freshness (78% within last year), ChatGPT is at 73%, and Perplexity the most lenient at 65%. The finding that changes strategy: over 25% of "fresh" citations go to pages originally published two or more years ago but actively maintained through regular updates. Consistency of updates — not recency of creation — is what signals freshness to AI citation systems. Pages cited across all study months averaged just 6 months since their last update.
Read the recency breakdown →
YouTube Citations Up 56% MoM. Earned Media Share Falls to 37.6%. The "Other" Category Now Owns AI Visibility.
Meltwater's June citation tracker shows YouTube reaching 188,863 citations (+56.4% MoM), NIH at 91,227 (+41.3%), Wikipedia at 83,191 (+55.2%). More importantly: the earned/news media share of all AI citations fell from 39.5% to 37.6%, while the "Other" category — social, forums, directories — now accounts for 53.7%. Claude disproportionately cites Statista (21,620 citations); ChatGPT emphasizes Wikipedia and NIH.
Full report →
8,400-Prompt Tracker: Winning an AI Citation Lifts Branded Search 23% in 30 Days — And Citations Persist 41 Days on Average
Tracking 8,400 prompts across ChatGPT, Perplexity, Gemini, and Claude reveals a 23% branded-search lift 30 days after winning a first AI citation. The average citation persists 41 days before drifting. Top 3 brands in any category capture 64.7% of all citation share; 34% cross-engine agreement on which brand to cite for head-term queries. Only 14% of brands have a defined AI search visibility strategy.
See the data →
Navarro's Take
The 2.25x Gap Between Integrated and Siloed AI Strategies Is the Only Number That Matters Right Now
Semrush's finding that 81% of organizations with integrated SEO and AI visibility strategies saw increased traffic vs. 36% of those running them separately isn't a marginal difference — it's a 2.25x performance gap. The brands treating GEO as a separate experiment are getting half the results of brands that folded it into their existing content and search operations. What this actually means in practice: the same content team, the same publishing calendar, the same analytics infrastructure — just extended to cover AI citation signals alongside ranking signals. The overhead cost is low. The performance delta is not. If I had to pick one slide to put in front of a CMO in July 2026, this is it.