Good report! When auditing websites, I generally obtain improper usage of structured markup that’s riddled with warnings and faults. I really like applying Google’s Structured Knowledge Tests Resource to check and proper these problems, but unfortunately, Google is deprecating their tool in favor of the rich effects tester, which isn’t https://thebookmarkage.com/story19234640/the-smart-trick-of-json-schema-2019-09-that-nobody-is-discussing