Most scraping advice assumes one language. Build for a bilingual market and you meet a category of bug that never throws an exception: the request succeeds, the HTML parses, and every field you wanted comes back empty. Here is what I learned building job datasets that have to work in both Arabic and English. The bug that returns null instead of failing I was fetching job detail pages and extracting the stated seniority and employment type. The parser looked for the labels the ...