Matthis Duarte

Knownful founder & international SEO expert

Matthis Duarte is an international SEO expert with 10 years of experience optimizing online visibility for international brands. Alongside his continued SEO work, he founded Knownful to address an emerging challenge: most companies don't know how they appear in AI recommendations. His mission is to help brands understand their AI visibility and adapt before the gap becomes too wide to close.

Playbooks

How to get cited by ChatGPT, Perplexity, and Google AI Overviews — What actually works in 2026

Most brands are invisible in AI search — not because they're unknown, but because their content isn't structured…

Matthis Duarte

April 21, 2026

How to audit your brand’s AI visibility: a step-by-step playbook

Only 11% of domains are cited by both ChatGPT and Perplexity. This playbook walks you through a 5-step audit to…

Matthis Duarte

April 20, 2026

What is Programmatic SEO and should your startup use it?

Programmatic SEO can generate thousands of pages from a template and a database. Zapier, Wise, and Tripadvisor…

Matthis Duarte

April 19, 2026

What are you looking for?

How to get cited by ChatGPT, Perplexity, and Google AI Overviews — What actually works in 2026

How to audit your brand’s AI visibility: a step-by-step playbook

What is Programmatic SEO and should your startup use it?

Matthis Duarte

How to get cited by ChatGPT, Perplexity, and Google AI Overviews — What actually works in 2026

How to audit your brand’s AI visibility: a step-by-step playbook

What is Programmatic SEO and should your startup use it?