Web hydration for scraping: Load dynamic content without a browser

At OxyCon 2026, I gave a talk about a common reflex in web scraping: if a page needs JavaScript, launch a browser . That works, of course, but it is often more than you actually need. If the goal is simply to execute some JavaScript, build the DOM, and extract the resulting data, running a full Chromium instance means bringing along a lot of extra machinery.