---
title: "Blog | Joan Sanz"
description: "Notes on AI, generative search and go-to-market in travel and hospitality, with data measured on my own sites."
url: https://joansanx.com/blog/en/
lang: en
author: Joan Sanz
---

Published when the data holds up

# What I measure, not what people say

Notes on AI, generative search and go-to-market in travel and hospitality. Everything published here comes from data on my own sites, not from a third-party report.

**2026**ongoing

 Covers   ChatGPT    Claude    Gemini    Perplexity    Google AI Overviews

 [ 01

## AI is not one channel, it is six

AI Overviews, ChatGPT, Perplexity, agentic booking and voice reward different levers to recommend you. With data from Tharro and Feefo.
  Perplexity Measurement Framework   → ](/blog/ai-no-es-un-canal/en/) [ 02

## One of my sites gets 43% of its traffic from AI. Another gets 2%

Same engine, same stack, same person behind it. What changes is the kind of content, and the data says so without ambiguity.
  Measurement Content   → ](/blog/trafico-ia/en/) [ 03

## What ChatGPT really cites, and what it sends back

A review of the published studies (Semrush, Profound, Tinuiti, Seer) checked against what my own network measures. With sources.
  ChatGPT Research AI Search   → ](/chatGPT-research/) [ 04

## Advertising has arrived in ChatGPT and no Spanish chain is in

How ads inside ChatGPT work, what they cost and which OTAs are already bidding on the names of hotels that are not their own.
  ChatGPT Ads Hospitality   → ](/blog/chatgpt-ads-hoteles/en/)

I publish rarely and only when I have a data point that adds something. If you want a heads-up, message me on LinkedIn.