Except not at all. Your example doesn't handle a clean URL like "/hi" (it would be something like "/hi.php" at best in PHP). Furthermore, it doesn't force the G

Except not at all. Your example doesn't handle a clean URL like "/hi" (it would be something like "/hi.php" at best in PHP). Furthermore, it doesn't force the GET http request type, which is a major part of the Sinatra microframework. I can setup a Ruby script that outputs "Hello World", but that would miss the point entirely. EDIT: Also, the original ruby example could be condensed to one line as well: get "/hi" { "Hello world" } Run with ruby -rsinatra script.rb