AI SEO: What It Is, How It Works, and What to Measure
Learn what AI SEO means, how it differs from AEO and GEO, what Google documents, and how to measure rankings, citations, referrals, and conversions.
From this desk
Start with the most useful page
The featured page offers a strong introduction. The remaining cards help readers move through this editorial section without turning the archive into a service menu.
Start with the editorial guide
Choose the desk that matches your question
Use the subject desks for focused browsing, or continue to the complete chronological archive below.
SEO
Crawling, content, and measurement
Reporting and practical analysis for technical, on-page, content, and publishing decisions.
AEO & AI Search
Answers, citations, and visibility
Platform changes, retrieval behavior, source attribution, and measurement without unsupported promises.
Research
Tests, methods, and evidence
Original protocols, observations, evidence reviews, and the limits on what each result establishes.
Workflows
APIs, automation, and verification
Implementation stories with reproducible inputs, failure states, evidence, and stopping conditions.
Complete archive
Every story, newest first
Open a story for its complete evidence, examples, limitations, author information, and reader discussion.
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Search and AI Changes: September 7–13, 2026
Thirteen documented search and AI changes from September 7–13, plus two community signals that still require controlled tests.
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GPT-6 Astra’s BrowseComp Score Is Not a Citation Quality Score
OpenAI reports a 91.5% BrowseComp score for GPT-6 Astra. A new Perplexity customer story adds engineering context, not a consumer citation benchmark.
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What 7,473 AI Citations Can and Cannot Tell Us
BrandGhost’s latest Observatory run offers useful signals about citation age and engine overlap, but its date and source-category coverage materially limit broader claims.
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Two Google Ads Changes Alter Search Campaign Controls
Google is removing campaign-level language targeting from Search while moving some legacy automation settings into AI Max. Dynamic Search Ads follow a different 2027 schedule.
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ChatGPT Library Citations Are Not Public Web Visibility
ChatGPT Library can cite private or workspace-shared files. Use the ownership, permissions and signed-out tests to separate connected-source provenance from public web visibility.
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ChatGPT Financial Services Adds an Experian Credit Layer
ChatGPT can now combine authorized Experian credit data with hosted premium datasets, entitled connections, private files and the public web. Provenance determines what the answer means.
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You.com Search Agents Can Choose Cached or Live Page Content
You.com’s extraction_source setting exposes a practical freshness decision: use cached content for speed, live fetch for recency, or blend the two. The right choice depends on the claim’s change rate.
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ChatGPT Shopping Can Use Memory to Select Products
ChatGPT shopping results can consider Memory and custom instructions, but product data, merchant conditions and fresh search still affect what appears. A four-cell test can separate those influences.
A useful standard
What every story should make clear
SearchEngineAnswer is an independent publication. Stories should help a reader understand what changed, what the evidence supports, and what to do next.
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A story should answer a focused question or support a concrete decision rather than merely announce a topic.
Sources remain inspectable
Material facts stay close to current primary documentation, reproducible evidence, or clearly attributed reporting.
Updates retain context
Meaningful changes, uncertainty, corrections, and publication dates remain visible so readers can judge freshness.
References and next steps