B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
50%
50% -- share of ai cited content less than 13 weeks old for content cited in AI search responses (2025)
50% of content cited in AI search responses is less than 13 weeks old.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
50%
Unit
Percentage
Data Vintage
2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Amsive
Primary
Tier B
https://nicolaziady.com/ai-search-optimisation-for-marketers/ ↗
Source Article
AI search converts 5x the rate of Google - but 62% of brands are invisible to it. Here's how to optimise for ChatGPT, Perplexity. - Nicola Ziady
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Your customers aren’t Googling anymore.
They’re asking Gemini. Getting answers from Perplexity. Having a conversation with Claude instead of clicking through to your site. According to Funnel’s 2026 survey of 238 marketers, 64% ex…
Original Research
Amsive
· Original study ↗
Methodology
Amsive AI citation freshness research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
content cited in AI search responses: 50% share of ai cited content less than 13 weeks old. Source: Amsive (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-cited-content-freshness-13-weeks
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<blockquote cite="https://lighthousedata.io/data/ai-cited-content-freshness-13-weeks" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- share of ai cited content less than 13 weeks old for content cited in AI search responses<br><small>Source: Amsive (2025) · <a href="https://lighthousedata.io/data/ai-cited-content-freshness-13-weeks" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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