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Field notes on AI search visibility

Playbooks, research, and honest guides on GEO, citation attribution, llms.txt, and the schemas that actually move the needle — written by operators shipping Signalor every day.

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Fresh from the Signalor studio

Research12 min

What ChatGPT actually cites — a 500-prompt study

We fired 500 buyer-intent prompts at ChatGPT with web search and measured which domains it cited. The answer is nothing like Google's top 10.

Signalor Research·Apr 14, 2026
Guides7 min

llms.txt: what it is, who honors it, and what to publish

The llms.txt proposal has gone from niche to near-standard in six months. Here's an honest read on which engines actually respect it and what your file should contain.

Arkit K·Apr 10, 2026
AI visibility10 min

The 5-factor AI visibility framework, explained

Authority, content quality, structural extractability, semantic alignment, third-party validation — why these five factors beat legacy SEO rank signals for AI search.

Signalor Research·Apr 6, 2026
Playbooks6 min

The 4 JSON-LD schemas that actually move the GEO needle

Most schema guides list 20+ types. We audited 3,400 AI-cited pages and found four do 80% of the work. Skip the rest until you ship these.

Arkit K·Apr 3, 2026
Product4 min

New: Citation source attribution (Phase 1 + 2 shipped)

Every Signalor project now captures which URLs AI engines cite — your pages, rival pages, and the domain roll-up. Pairs with auto-fix to close the content loop.

Arkit K·Apr 21, 2026
AI visibility8 min

Perplexity vs ChatGPT: why your visibility split is wider than you think

The two engines rarely agree on who to cite. We walk through 6 real categories where the gap is 40+ points — and what to ship to close it on the engine you're losing.

Signalor Research·Mar 30, 2026

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