# AI surface visibility trackers

Monitor the same buyer questions across ChatGPT, Perplexity, Gemini, Google AI Mode, and Google AI Overviews. refd keeps each surface separate while applying one auditable measurement contract to mentions, citations, position, sentiment, prominence, and share of voice.

## Trackers

- [ChatGPT visibility tracker with answer evidence](/chatgpt-visibility-tracker.md): Track when ChatGPT names or cites your brand, which competitors appear first, and the answer evidence behind every visibility metric.
- [Perplexity visibility and citation tracker](/perplexity-visibility-tracker.md): Track brand mentions, cited domains, competitor position, and the answer evidence returned for your buyer questions in Perplexity.
- [Gemini visibility tracker with repeated answers](/gemini-visibility-tracker.md): Measure Gemini brand mentions, citations, competitor position, sentiment, and answer evidence across a stable set of buyer questions.
- [Google AI Mode tracker with source evidence](/google-ai-mode-tracker.md): Track brand and competitor visibility in Google AI Mode across buyer questions, repeated answers, cited sources, position, and sentiment.
- [Google AI Overview tracker with coverage evidence](/google-ai-overview-tracker.md): Track when Google shows an AI Overview, which brands and sources appear, and the answer evidence behind mentions, citations, and position.

## Measurement

- [How refd measures AI search visibility](/methodology.md): Collection, repeated sampling, scoring, aggregation, and the evidence behind every metric.
- [Interactive sample report](/demo.md): Fabricated Ultrahuman data across five AI answer surfaces, with prompt and answer evidence.