For more technical implementation details, you can refer to the official documentation on MDN Web Docs. Sec-CH-UA-Mobile header - HTTP - MDN Web Docs
: Enable mega-menus and secondary sidebars that require significant screen real estate. Context and Syntax sec,ch,ua,mobile:,?0
: Serve expansive, multi-column designs rather than single-column mobile stacks. For more technical implementation details, you can refer
The header sec-ch-ua-mobile: ?0 is a that tells a web server the request is coming from a desktop device . For more technical implementation details