Citation Decay Window

Citation Decay Window is the lag between when a source stops being cited by AI models and when a client notices the resulting shift in how they are described. Agencies that measure this gap can act before perception damage reaches the client's pipeline. The window is short for high-volume categories and long for niche B2B, which means a retainer built on quarterly reporting will miss fast-moving erosion entirely. LLM Pulse tracks brand mentions, sentiment, and citations across 15+ AI models, so an agency can timestamp when a citation drops out of ChatGPT or Perplexity answers and correlate that with inbound lead changes. EmbedMyReviews covers the review-side equivalent, flagging rating shifts that feed the same answer engines. The practical move is a monthly citation audit with a defined alert threshold, not an annual brand study. When 69% of marketers are publishing more AI content than last year, the sources competing for citation slots multiply faster than any manual review cycle can absorb.