Imagine tearing through 1 billion pages in a single day on a shoestring budget. This crawler pulled it off with 12 nodes and some savvy async maneuvering. But here's the kicker: it wasn’t the fetching that choked the CPU. Nope, it was the parsing. Today’s web behemoths, bloated with JavaScript and other digital detritus, laugh at good old HTML parsers. So, if dynamic rendering gets on your to-do list, brace for sticker shock.
