Do AI Crawlers Request Markdown? Test the Accept Header First
Test crawler Accept headers, negotiated Content-Type and cache variation before claiming an AI bot receives Markdown.
Tagged collection
Latest articles tagged “AI Search Measurement”
Open an article for the complete method, evidence, limitations, and a focused reader discussion.
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Google Site-Reputation Enforcement in the EEA
Beginning August 30, Google says site-reputation manual actions will have different effects inside and outside the EEA. The policy remains in force, and third-party sections can still be separated to rank independently.
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Reddit’s ChatGPT Citation Share Fell 86%, but the Drop Was Platform-Specific
Promptwatch and an independent sample found a steep ChatGPT decline. A separate 7.3-million-citation report found Reddit stable or rising elsewhere, so the percentages cannot be combined.
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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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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.
