getsichtbar GEO Visibility Index DACH 2026: Study Protocol and Codebook

This record contains the study protocol and codebook for the getsichtbar GEO Visibility Index DACH 2026, an exploratory observational study on how German and DACH-region businesses appear in generative answer engines. The planned study measures how providers are mentioned, recommended and cited in defined purchase-oriented prompts across AI search and answer systems such as ChatGPT, Perplexity, Gemini, Claude and Google AI surfaces. The protocol defines the planned sample, prompt design, engines, primary metrics, coding rules, limitations and publication strategy. This v0.1 record does not contain final results, provider-level observations, customer data, raw answer exports or screenshots. It is a protocol and methodology release intended to make the research design transparent before full data collection. Future versions are planned to include anonymized observations, aggregate results and figures.