Blog
Mert Özen's blog posts on software development, backend, frontend, and DevOps.
llms.txt and Markdown Versions: The Spec, Who Uses It, and Implementing It in ASP.NET Core
llms.txt is a Markdown map at the site root made of an H1, a summary and link lists; Google Search ignores it, no major AI search engine has officially said it uses it, and its real use is coding assistants and agents. We cover spec v2, a Minimal API that generates llms.txt and per-post Markdown from EF Core data, Output Cache invalidation and mertozen.com's file.
Google's AI Search Guide: What to Do and What to Skip (llms.txt, Chunking and Special Markup Myths)
According to Google's May 2026 guide, AI Overviews and AI Mode rest on the core ranking systems; an indexed page eligible for a snippet is enough, and llms.txt, chunking, rewriting for AI and special schema aren't needed. We cover the guide's "you don't need to" list, its emphasis on non-commodity content, spam policies applied to AI answers, and why the guide applies to Google Search only.