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Your AEO score measures whether AI search engines (ChatGPT, Claude, Perplexity, Gemini) can actually read your site and cite it in answers. Two-thirds of websites are invisible to them. ISO3166 just got measured.
4/10 means ISO3166 is borderline visible. AI bots can crawl your site but your structured-data signals are thin. You are at risk of being skipped when buyers ask AI for a recommendation.
ISO 3166-1 is part of the ISO 3166 standard published by the International Organization for Standardization (ISO), and defines codes for the names of countries, dependent territories, and special areas of geographical interest.
Category: Technology
iso3166.thephpleague.com1
Structured Data
5
Content Structure
5
Entity Clarity
2
E-E-A-T Signals
6
Technical AEO
3
AI Discoverability
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Your full 6-category score breakdown
Exact fixes: robots.txt, schema, llms.txt
AI bot crawls from ChatGPT, Claude, Perplexity, Gemini
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Scored by Engagemii on June 7, 2026. Methodology: engagemii.com/aeo/methodology
Source URL: https://engagemii.com/aeo/brands/iso3166-thephpleague
Cite this score: Engagemii (2026). "AEO Score for ISO3166." Retrieved from https://engagemii.com/aeo/brands/iso3166-thephpleague
Licensed under CC BY 4.0. You may reuse this data with attribution: a visible link to engagemii.com.
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