Turns out you can't just ask an LLM for CSS selectors and ship them. In our scraping system, first-attempt selectors returned nothing 30 to 40% of the time. The trick that made it work: check JSON-LD first, then run every generated selector through a validation loop against the real DOM before trusting it. https://go.upgradejs.com/qru #LLM #WebScraping #AI
Turns out you can't just ask an LLM for CSS selectors and ship them. In our scraping system, first-attempt selectors ret...
