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When an AI engine responds to a prompt, it produces three distinct types of brand signals. Understanding the difference is key to reading your visibility metrics correctly.

Mentions

A mention is when the AI names a brand in its response text — the prose it writes to the user.
"Top-Anbietern wie der ING oder der DKB entfällt die Gebühr..."
In this example, “ING” and “DKB” are mentions. They count toward Share of Voice. What counts:
  • Brand names the AI recommends, compares, or discusses in its own words
  • Each occurrence counts separately — if the AI says “ING” three times, that’s three mentions
  • Variations like “C24” and “C24 Bank” are normalized to avoid double-counting the same brand
What does NOT count:
  • Brand names that only appear inside citation links or source references (e.g., a media outlet cited as a source)
  • Brand names inside URLs
  • Generic terms like “the bank” or “this provider”

Citations

A citation is when the AI explicitly links to a URL as a source in its response.
[Festgeldkonto: Bei uns sicher Geld anlegen | Sparkasse.de](https://www.sparkasse.de/...)
This is a citation of sparkasse.de. It counts toward Share of Search. What counts:
  • URLs the AI includes as inline links or footnote references in its response
  • Matched by domain — if the AI links to any page on sparkasse.de, that counts for Sparkasse regardless of what the link text says
  • The anchor text (the clickable text) is tracked for context but doesn’t affect the metric
What does NOT count:
  • Brand names in the response text without a link — those are mentions, not citations
  • URLs that appear only in the AI’s search results but not in the final response — those are sources

Sources (Search Results)

A source is a URL that appeared in the AI engine’s retrieval pool — the pages it considered while generating its response. Not every source makes it into the final response. The AI retrieves many pages, then selects which ones to cite. What counts:
  • URLs the AI engine retrieved during its search, whether or not it cited them
  • Matched by domain
Why it matters:
  • Sources are the denominator in Selection Rate
  • If your domain appears in sources but not in citations, the AI is finding your content but choosing not to use it — usually a signal that your content alignment needs work

How they connect

SignalWhere it appearsMetric it feeds
MentionAI’s prose textShare of Voice
CitationInline link in responseShare of Search
SourceAI’s retrieval poolSelection Rate (denominator)
A brand can appear as all three simultaneously: mentioned by name in the text, cited with a link, and present in the search results. Each is tracked independently.
A high number of source appearances with few citations means AI engines are finding your content but not selecting it. Focus on improving your Alignment Score to close that gap.