AI Overview Studies Report 1%, 15% and 39.8%—They Measure Different Things
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’s before: Filter Is Not a Reliable Time Machine
An ACL 2026 study shows how updated pages, related content and unreliable dates leak post-cutoff facts into retrospective research.
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Which AI Search Assistant Cites the Most Credible Sources?
An EACL 2026 study compares GPT-4o, GPT-5, Perplexity and Qwen across 100 misinformation-prone claims—and reveals a tightly bounded result.
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Citation Count vs Citation Absorption: The AEO Metric Most Reports Miss
A public cross-platform dataset shows why the number of citations and the depth of a source’s contribution to an answer must be measured separately.
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ChatGPT Plugin Metadata Is a New Kind of AEO
Optimize plugin names, descriptions and parameters for correct tool selection with direct, indirect and negative golden prompts.
