B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
85%
85% -- ai uncited page rate for ChatGPT (2026-03)
85% of the web pages retrieved/read by ChatGPT when formulating a response are never cited in the final answer.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
85%
Unit
Percentage
Data Vintage
2026-03
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
60
Freshness
95
Source
nicolaziady.com
Primary
Tier C
https://nicolaziady.com/how-ai-is-changing-marketing-in-2026-here-are-5-problems-every-marketer-has-… ↗
Source Article
AI Is Now the Gatekeeper. Most Marketers Are Still Knocking on the Wrong Door. - Nicola Ziady
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BLUF: AI ad spend is up 63% in 2026. Meta’s agents are running campaigns without us. Google is about to put ads inside Gemini. LinkedIn is the most-cited professional domain in AI. And 85% of pages ChatGPT reads never get cited. H…
Original Research
nicolaziady.com
· Original study ↗
Methodology
Research published March 2026 on AI citation behavior
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ChatGPT: 85% ai uncited page rate. Source: nicolaziady.com (2026-03). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-ghost-traffic-85pct
HTML Embed
<blockquote cite="https://lighthousedata.io/data/chatgpt-ghost-traffic-85pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>85%</strong> -- ai uncited page rate for ChatGPT<br><small>Source: nicolaziady.com (2026-03) · <a href="https://lighthousedata.io/data/chatgpt-ghost-traffic-85pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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