B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Recent

8% -- referral traffic share for ChatGPT Search and Perplexity (2025)

Name: Referral Traffic Share Statistics
Creator: Lighthouse Intelligence
Published: 2026-08-12

2025 · Similarweb

ChatGPT Search and Perplexity represent 8% of referral traffic to content websites in 2025.

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Attribution: Similarweb View source

Lighthouse Research Team

Last verified: 2026-08-12 · How we verify data →

Source verified Evidence graded

Value

Unit

Percentage

Data Vintage

2025

Entity

ChatGPT Search and Perplexity

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

60/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Similarweb Primary Tier B

https://ighenatt.es/ca/blog/geo-seo-inteligencia-artificial/ ↗

Confidence: 53/100 Vintage: 2025 Channel: Deep Crawl

Source Article

GEO vs SEO: posicionar-se en IA el 2026 - Ighenatt Blog

Què és el GEO i en què es diferencia del SEO? GEO (Generative Engine Optimization) és la disciplina d'optimitzar contingut perquè els motors d'IA generativa (Google AI Overviews, ChatGPT Search, Perplexity) el citin a les seves respostes. A diferència del SEO tradicional que busca posicions a les SE…

Original Research

Similarweb · Original study ↗

Methodology

Source: Similarweb

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

ChatGPT Search and Perplexity: 8% referral traffic share. Source: Similarweb (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-chat-referral-traffic

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<blockquote cite="https://lighthousedata.io/data/ai-chat-referral-traffic" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>8%</strong> -- referral traffic share for ChatGPT Search and Perplexity<br><small>Source: Similarweb (2025) · <a href="https://lighthousedata.io/data/ai-chat-referral-traffic" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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