AI Overview Click Study: What the 1% Means
A 900-person US browsing study observed fewer result clicks and more session endings when AI Overviews appeared. Here is the denominator, study design, and limit behind the 1% source-click figure.
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AI Search Citation Drift: Test Web and App Separately
Measure web/app citation drift with paired prompts, repeated runs, preserved URLs, overlap distributions, answer-use labels, change control, and a reusable observation ledger.
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ChatGPT Outbound Clicks: 5.2% Is Not CTR
A 2026 U.S. desktop study separates ChatGPT’s session-level outbound-click rate from an estimated 9.4% reduction in traditional search use.
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AI Overview Click Studies: 1%, 15%, 39.8%
Three prominent 2026 findings use different samples, treatments and outcomes. Here is the denominator-safe comparison.
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Google UCP Is Not SEO: Prepare for Checkout in AI Mode and Gemini
Universal Commerce Protocol is an early-access checkout integration for eligible AI Mode and Gemini experiences—not a ranking shortcut.
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ChatGPT Delta Feeds: Accepted Does Not Mean Your Product Is Serving
An accepted Delta Feed update has entered processing; indexing, eligibility and serving remain separate states to reconcile.
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ChatGPT Conversion-Optimized Campaigns Still Charge Per Click
OpenAI’s oCPC beta optimizes toward one standard conversion event, but advertisers still pay for valid clicks.
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ChatGPT Ads Pixel vs Conversions API: What Each One Measures
Compare OpenAI’s browser pixel and server-side Conversions API by reliability, consent, deduplication, view-through attribution and release QA.
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Google before: Filter: Build a 29-Field Temporal Leakage Audit
Use date-filtered search to find candidates, then inspect snapshots, page updates, related modules, metadata conflicts and leakage severity before admitting evidence.
