AI Visibility Glossary
Source Diversity
Why it matters
Diverse, independent citations signal genuine authority. Narrow citation footprints look fragile to AI and are easy for competitors to out-reference.
How to measure it
Count the distinct independent domains that cite your brand and how their authority is distributed.
Measure your AI visibility
See how AI engines cite and recommend your brand, scored on eight signals across every major engine. Free.
Related terms
Citation rate is how frequently AI engines cite a brand or its website as a source when answering questions in its category. A high citation rate means the engine repeatedly leans on your content to ground its answers.
A trust signal is evidence AI uses to judge whether a brand is credible — such as citations from authoritative sites, reviews, expert coverage, and consistent third-party mentions. High-trust sources vouching for you raise your standing.
GEO, or Generative Engine Optimization, is the practice of earning citations and mentions inside generative AI responses. It focuses on becoming a source the model trusts and pulls from when it composes an answer, rather than ranking in a traditional index.
The Signal Score is Top Citation Signal's 0–100 composite measure of a brand's AI visibility. It combines eight weighted signals — citation, trust, entity strength, coverage, source diversity, consistency, freshness, and expert mentions — into one comparable number.