B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
79%
79% -- share of ai bot hits on content published within past two years for AI search crawlers (ChatGPT, Perplexity, Google AI Overviews) (2026)
79% of all AI bot hits land on content published within the last two years.
- Original research study is not specifically named in text
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
79%
Unit
Percentage
Data Vintage
2026
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
amicited.com
Primary
Tier C
https://www.amicited.com/blog/publication-dates-ai-citations-recency/ ↗
Source Article
Publication Dates and AI Citations: Does Recency Matter?
Original Research
amicited.com
· Original study ↗
Methodology
Aggregate AI crawler hit analysis cited in article
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI search crawlers (ChatGPT, Perplexity, Google AI Overviews): 79% share of ai bot hits on content published within past two years. Source: amicited.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-bot-hits-content-two-years
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<blockquote cite="https://lighthousedata.io/data/ai-bot-hits-content-two-years" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>79%</strong> -- share of ai bot hits on content published within past two years for AI search crawlers (ChatGPT, Perplexity, Google AI Overviews)<br><small>Source: amicited.com (2026) · <a href="https://lighthousedata.io/data/ai-bot-hits-content-two-years" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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