For a long time our sitemap at RAMO was one big file. Every product, every category, every article, the contact page, the shipping policy, all in one list. It validated, Google read it, and nobody thought about it again.
Source: [Dev.to](https://dev.to/elias_0549e0e2ef8cf6ad89a/our-stores-sitemap-is-eight-files-now-and-that-made-search-console-useful-again-43k2)