B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
11%
11% -- cross engine citation rate for domains cited by ChatGPT and Perplexity (2025)
Only 11% of domains are cited simultaneously by both ChatGPT and Perplexity.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
11%
Unit
Percentage
Data Vintage
2025
Entity
Geography
Global
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
The Digital Bloom
Primary
Tier C
https://regencleo.ai/articles/geo-platforms-overview/ ↗
Source Article
Generative Engine Optimisation Platforms in 2026 | CLEO
Generative engine optimisation (GEO) is an emerging discipline distinct from traditional SEO, focused on ensuring AI answer engines cite your brand when generating responses. The platform landscape in 2026 spans dedicated GEO tools such as Otterly.ai and Peec AI alongside traditional SEO platforms a…
Original Research
The Digital Bloom
· Original study ↗
Methodology
The Digital Bloom, 2025, as cited by vendor article
Methodology documented
Segmentation
IndustryAI & Machine Learning
RegionGlobal
RoleAll marketers
Channelmulti-channel
Cite this stat
Plain Text
domains cited by ChatGPT and Perplexity: 11% cross engine citation rate. Source: The Digital Bloom (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/domains-cited-chatgpt-perplexity-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/domains-cited-chatgpt-perplexity-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>11%</strong> -- cross engine citation rate for domains cited by ChatGPT and Perplexity<br><small>Source: The Digital Bloom (2025) · <a href="https://lighthousedata.io/data/domains-cited-chatgpt-perplexity-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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