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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. PROJ — PROJ 9.8.1 documentation just got measured.
4/10 means PROJ — PROJ 9.8.1 documentation 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.
About News Download Installation Using PROJ Applications Coordinate operations Resource files Geodesic calculations Development Specifications Community Tutorials FAQ Glossary References PROJ PROJ Edit on GitHub Next PROJ PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system (CRS) to another.
Category: Technology
proj4.org1
Structured Data
6
Content Structure
4
Entity Clarity
5
E-E-A-T Signals
6
Technical AEO
2
AI Discoverability
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Exact fixes: robots.txt, schema, llms.txt
AI bot crawls from ChatGPT, Claude, Perplexity, Gemini
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Scored by Engagemii on June 4, 2026. Methodology: engagemii.com/aeo/methodology
Source URL: https://engagemii.com/aeo/brands/proj4-org
Cite this score: Engagemii (2026). "AEO Score for PROJ — PROJ 9.8.1 documentation." Retrieved from https://engagemii.com/aeo/brands/proj4-org
Licensed under CC BY 4.0. You may reuse this data with attribution: a visible link to engagemii.com.
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