domain for technical examples

https://thedomainsamplecodepulse.birchreport.com/posts/why-you-need-a-dedicated-domain-for-sample-code-in-your-documentation

The domain example.com is often used in documentation and code samples to show how URLs work without pointing to a real website. You'll see it in tutorials, API references, and configuration files as a placeholder. It's a standard that developers rely on for clarity and safety.