How to track LLM traffic in GA4 to increase visibility | Théo Maupilé

How to track LLM traffic in GA4 to increase visibility | Théo Maupilé

How to track LLM traffic in GA4 to increase visibility | Théo Maupilé

How to track LLM traffic in GA4 to increase visibility | Théo Maupilé

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20 juil. 2025

Théo Maupilé – Paid Media Expert

AI assistants powered by LLMs like ChatGPT, Claude, or Gemini are becoming a new way to get traffic
But most marketers don’t know it’s already happening

Users ask questions, get AI-generated answers, and click directly on your content

If you’re not tracking this, you’re missing a growing source of visibility


Where to find LLM traffic in GA4

You don’t need complex setups or custom events

GA4 already detects some of this traffic as referrals
Here’s how to see it

  1. Go to Reports

  2. Open Acquisition > Traffic acquisition

  3. Look under Session source / medium

You’ll likely see domains like:

  • chat.openai.com (ChatGPT)

  • claude.ai (Claude)

  • bard.google.com (Gemini)

This means users landed on your site directly after interacting with a Large Language Model

Why it matters for visibility

LLM tools are already changing how people discover content

If your site is linked in an AI answer, it becomes a new entry point
Similar to SEO, but based on clarity and usefulness

That makes it a valuable channel for:

  • Content visibility

  • Lead generation

  • Brand authority

Pro tips to appear in LLM answers

Want to increase your chances of being referenced by LLMs like ChatGPT, Perplexity, or SearchGPT

  • Write in a clear, conversational tone

  • Target long-tail keywords and question-based queries

  • Use FAQ or How-to formats

  • Add schema markup (FAQ, Article, How-to)

  • Update content frequently to stay relevant

  • Build trust with author bios and a clear site identity

These elements help AI models understand, rank, and surface your content more often

AI assistants powered by LLMs like ChatGPT, Claude, or Gemini are becoming a new way to get traffic
But most marketers don’t know it’s already happening

Users ask questions, get AI-generated answers, and click directly on your content

If you’re not tracking this, you’re missing a growing source of visibility


Where to find LLM traffic in GA4

You don’t need complex setups or custom events

GA4 already detects some of this traffic as referrals
Here’s how to see it

  1. Go to Reports

  2. Open Acquisition > Traffic acquisition

  3. Look under Session source / medium

You’ll likely see domains like:

  • chat.openai.com (ChatGPT)

  • claude.ai (Claude)

  • bard.google.com (Gemini)

This means users landed on your site directly after interacting with a Large Language Model

Why it matters for visibility

LLM tools are already changing how people discover content

If your site is linked in an AI answer, it becomes a new entry point
Similar to SEO, but based on clarity and usefulness

That makes it a valuable channel for:

  • Content visibility

  • Lead generation

  • Brand authority

Pro tips to appear in LLM answers

Want to increase your chances of being referenced by LLMs like ChatGPT, Perplexity, or SearchGPT

  • Write in a clear, conversational tone

  • Target long-tail keywords and question-based queries

  • Use FAQ or How-to formats

  • Add schema markup (FAQ, Article, How-to)

  • Update content frequently to stay relevant

  • Build trust with author bios and a clear site identity

These elements help AI models understand, rank, and surface your content more often

AI assistants powered by LLMs like ChatGPT, Claude, or Gemini are becoming a new way to get traffic
But most marketers don’t know it’s already happening

Users ask questions, get AI-generated answers, and click directly on your content

If you’re not tracking this, you’re missing a growing source of visibility


Where to find LLM traffic in GA4

You don’t need complex setups or custom events

GA4 already detects some of this traffic as referrals
Here’s how to see it

  1. Go to Reports

  2. Open Acquisition > Traffic acquisition

  3. Look under Session source / medium

You’ll likely see domains like:

  • chat.openai.com (ChatGPT)

  • claude.ai (Claude)

  • bard.google.com (Gemini)

This means users landed on your site directly after interacting with a Large Language Model

Why it matters for visibility

LLM tools are already changing how people discover content

If your site is linked in an AI answer, it becomes a new entry point
Similar to SEO, but based on clarity and usefulness

That makes it a valuable channel for:

  • Content visibility

  • Lead generation

  • Brand authority

Pro tips to appear in LLM answers

Want to increase your chances of being referenced by LLMs like ChatGPT, Perplexity, or SearchGPT

  • Write in a clear, conversational tone

  • Target long-tail keywords and question-based queries

  • Use FAQ or How-to formats

  • Add schema markup (FAQ, Article, How-to)

  • Update content frequently to stay relevant

  • Build trust with author bios and a clear site identity

These elements help AI models understand, rank, and surface your content more often

AI assistants powered by LLMs like ChatGPT, Claude, or Gemini are becoming a new way to get traffic
But most marketers don’t know it’s already happening

Users ask questions, get AI-generated answers, and click directly on your content

If you’re not tracking this, you’re missing a growing source of visibility


Where to find LLM traffic in GA4

You don’t need complex setups or custom events

GA4 already detects some of this traffic as referrals
Here’s how to see it

  1. Go to Reports

  2. Open Acquisition > Traffic acquisition

  3. Look under Session source / medium

You’ll likely see domains like:

  • chat.openai.com (ChatGPT)

  • claude.ai (Claude)

  • bard.google.com (Gemini)

This means users landed on your site directly after interacting with a Large Language Model

Why it matters for visibility

LLM tools are already changing how people discover content

If your site is linked in an AI answer, it becomes a new entry point
Similar to SEO, but based on clarity and usefulness

That makes it a valuable channel for:

  • Content visibility

  • Lead generation

  • Brand authority

Pro tips to appear in LLM answers

Want to increase your chances of being referenced by LLMs like ChatGPT, Perplexity, or SearchGPT

  • Write in a clear, conversational tone

  • Target long-tail keywords and question-based queries

  • Use FAQ or How-to formats

  • Add schema markup (FAQ, Article, How-to)

  • Update content frequently to stay relevant

  • Build trust with author bios and a clear site identity

These elements help AI models understand, rank, and surface your content more often

Théo Maupilé - +5 Years of Experience in Paid Media | I share content to help you grow through Ads, Innovation, and Psychology.

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