If you build AI agents, scrapers, or RAG pipelines, you have run into this: feeding raw HTML to a model is mostly waste. The <div> , the class="..." , the nav, the cookie banner. None of it is the content you wanted, and all of it costs tokens. I knew this was inefficient. I did not appreciate how inefficient until I measured it. Here is a single page of GitHub's documentation, run through an audit: HTML Markdown Savings ───────────────────────────...