Notion sites is what we run https://n.localwebpilot.com/ on. It is a very simple website publisher that is instantly published from choose pages from your Notion (really, it is a feature of notion
Web Building and Publishing Simplified with Notion
https://www.notion.com/use-case/website-building
Build a website with Notion in seconds, no coding required
https://www.notion.com/help/guides/build-a-website-with-notion-in-seconds-no-coding-required