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Notes
What we learn from asking AI tools the questions buyers ask. Numbers come with sources. New notes go up when the data is ready.
Which surface are you measuring? Why AI visibility scores disagree
ChatGPT's API and web app give different answers to the same question. What 2026 experiments found about AI visibility score accuracy and how to read any score.
November 4, 2026
Field notesrobots.txt AI training tokens are here: what to block, what to leave open
Google, Bing, and OpenAI now back shared robots.txt tokens for AI training and grounding, effective early 2027. What each token does, what major sites already declare, and the blanket-block mistake that also cuts your AI search visibility.
November 4, 2026
Field notesReddit's data licenses didn't protect its AI citations
Reddit signed data licensing deals and still saw ChatGPT citations fall 86.4% in four days last August. What the drop says about licensing versus citation weight, and why monthly monitoring beats a one-time audit.
November 4, 2026
Field notesJSON-LD and AI citations: what a 1,885-page experiment found
A controlled experiment on 1,885 pages found adding JSON-LD changed AI Overview citations by minus 4.6 percent. The evidence on schema markup for AI visibility, what stays noise, and where to spend the effort instead.
November 4, 2026
Field notesIs llms.txt worth it? What 137K server logs and 3,048 cited sites show
Ahrefs logged 137,000 domains and found 97 percent got zero requests for llms.txt in May. Google says it ignores the file. Both sides of the evidence, so you can file it as a hygiene item and move on.
November 4, 2026
Field notesWhat AI recommends for incident management, and why the uncited tools lose
DevTune data: incident.io, Rootly, and PagerDuty take most AI recommendations in incident management. A structural audit of all 11 tracked tools shows what the uncited ones are missing.
October 23, 2026
Field notesWhy being named by AI now beats ranking on Google
Search clicks keep falling and buyers start with AI instead. What the numbers show, why getting named in an AI answer matters more than rank, and what a devtool company can do about it.
October 21, 2026
Field notesBest AI visibility tools for developer tools (2026): an honest tiering
Free checkers, $29 budget trackers, devtools specialists, enterprise platforms, and one-time alternatives, compared for developer tools companies. Prices checked October 21, 2026.
October 21, 2026
Field notesHow to check if ChatGPT recommends your devtool (manual method, one afternoon, no tools)
Write a test list of 15 to 30 questions a buyer would ask. Run it on ChatGPT, Perplexity, and Gemini. Log who gets mentioned in a spreadsheet. You end up with a baseline number. No tools required.
October 21, 2026