I remember that before cookies were widely implemented in web browsers, the Spinner web server (effectively an early web server and development framework in one

I remember that before cookies were widely implemented in web browsers, the Spinner web server (effectively an early web server and development framework in one process) implemented what it called ”prestate”; a parenthesised portion of the URL, part of the path, but before the actual path. Like this: http://example.com/(tables,images)/developers/ http://example.com/(tables,images)/developers/