aeo

Adding llms.txt route handlers to a bilingual Next.js App Router site and generating the file from the same content modules the pages render.

TL;DR: The author initially assumed llms.txt was a sitemap for LLMs, but it's actually a small curated markdown overview agents fetch on demand, with no SEO payoff today. They added two Next.js route handlers serving it as static plain text with caching. The key takeaway: generate it from the same content modules as your pages to prevent drift.