B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
26%
26% -- share of brands with zero ai overview mentions for Brands analyzed by Ahrefs (winner-takes-all pattern in AI Overviews) (2025)
26% of the 75,000 brands analyzed by Ahrefs have zero mentions in AI Overviews.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
26%
Unit
Percentage
Data Vintage
2025
Entity
Sample Size
75,000
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
Ahrefs
Primary
Tier C
https://viniciusbarreto.blog/seo/e-e-a-t-para-motores-de-ia-como-construir-autoridade-2026 ↗
Source Article
E-E-A-T para Motores de IA: Construa Autoridade em 2026
E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) é o framework de qualidade que motores de IA como ChatGPT e Perplexity usam para decidir quais marcas citar — e em 2026, menções textuais da sua marca na web importam mais do que backlinks. Este guia mostra como construir autoridade…
Original Research
Ahrefs
· Original study ↗
Methodology
Article: '26% das marcas analisadas têm zero menções em AI Overviews' — from Ahrefs 75,000-brand study; cited secondhand by blog.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Brands analyzed by Ahrefs (winner-takes-all pattern in AI Overviews): 26% share of brands with zero ai overview mentions. Source: Ahrefs (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/brands-zero-ai-overview-mentions-share
HTML Embed
<blockquote cite="https://lighthousedata.io/data/brands-zero-ai-overview-mentions-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>26%</strong> -- share of brands with zero ai overview mentions for Brands analyzed by Ahrefs (winner-takes-all pattern in AI Overviews)<br><small>Source: Ahrefs (2025) · <a href="https://lighthousedata.io/data/brands-zero-ai-overview-mentions-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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