How to Measure the Noise Floor of an AI Visibility Score
A 1,200-observation research protocol for measuring how AI mentions, recommendations, and citations move when the monitored site does not change.
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Search and AI Changes: September 14-30, 2026
A source-led briefing on September search and AI changes, now including Cloudflare agent payments, Shopify AI checkout, OpenAI hosted browsing, Perplexity Fast Search and Claude retirement.
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The 16% Synthetic-Source Finding Depends on an AI Detector
A 712-query audit found detector-classified synthetic pages among citations, but 27.1% of cited URLs were not analyzed and page accuracy was not tested.
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X Search Is Switching From Per-Call to Per-Result Pricing
A result-count calculator shows why one X Search call can keep the same listed price or cost twenty times more after the billing unit changes.
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Most AI Citation Sources Appeared Once in a 16,069-Citation Sample
A source-long-tail recomputation plus a separate LinkedIn engine-mix example show why aggregate AI citation rankings can hide most domains and platform dependence.
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Google AI Mode Cut Publisher Click-Through by 18.8 Points in a Field Experiment
A field experiment found AI Mode assignment reduced publisher click-through by 18.8 points. Separate ITT, LATE, limits and site-specific measurement.
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You.com Answer API: Audit Citations, Excerpts, and Uncited Claims
Audit You.com Answer API citations, excerpts, live-source support and uncited claims with a 28-field downloadable claim-source ledger.
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What 3,602 Early ChatGPT Ads Reveal About Delivery
A 91-account audit recorded 3,602 ChatGPT ads. See the delivery rate, count discrepancies, income finding, limits and audit ledger.
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How to use AI for content briefs without publishing generic work
Use AI for content briefs with a defined reader job, verified source packet, evidence ledger, information-gain requirement, scorecard, and skeptical review.
