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

80%

80% -- ai referral traffic share of voice for ChatGPT (retail client dataset) (2025)

Name: AI Referral Traffic Share Of Voice Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-16

2025 · n=7 · First Internet

In First Internet's retail client dataset, ChatGPT accounted for an 80% share of voice among AI-referred traffic.

Tracking setup in GA4 is custom and may not be perfectly accurate
Small sample size primarily focused on B2B clients

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Attribution: First Internet View source

Lighthouse Research Team

Last verified: 2026-09-16 · How we verify data →

Source verified Evidence graded

Value

80%

Unit

Percentage

Data Vintage

2025

Entity

ChatGPT (retail client dataset)

Sample Size

Evidence Quality

Strong, reliable evidence

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

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

First Internet Primary Tier B

https://www.firstinternet.co.uk/insight/chatgpt-vs-gemini-heres-what-we-found/ ↗

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

Source Article

ChatGPT vs. Gemini (and others) - Here's What we Found

Comparing AI Search Agents By late 2024, the SEO and wider digital marketing industry were treated to an abundance of new tools, experiments and thought leadership relating to AI. Up to now it’s felt a little too early to make any comparisons between the likes of ChatGPT vs. Gemini, or any other AIO…

Original Research

First Internet · Original study ↗

Methodology

First Internet's custom GA4 Explore report tracking AI-referral sessions across 7 primarily B2B client sites, with data from the start of January 2025; retail dataset where AI-referred session volume exceeded 100. Attribution of the 80% share to ChatGPT is inferred from surrounding text (ChatGPT described as overall top referrer); agency notes its GA4 AI-traffic tracking may not be perfectly accurate.

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

ChatGPT (retail client dataset): 80% ai referral traffic share of voice. Source: First Internet (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-retail-ai-referral-share-2025

HTML Embed

<blockquote cite="https://lighthousedata.io/data/chatgpt-retail-ai-referral-share-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>80%</strong> -- ai referral traffic share of voice for ChatGPT (retail client dataset)<br><small>Source: First Internet (2025) · <a href="https://lighthousedata.io/data/chatgpt-retail-ai-referral-share-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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