// GET /user/tj
req.path //=> "/user/tj"
req.url //=> "/user/tj"
req.xhr //=> true|false
req.method //=> "GET"
req.params
req.params.name //=> "tj"
req.params[0]
// GET /search?q=tobi+ferret
req.query.q // => "tobi ferret"
req.cookies
req.accepted
// [ { value: 'application/json', quality: 1, type: 'application', subtype: 'json' },
// { value: 'text/html', quality: 0.5, type: 'text',subtype: 'html' } ]
req.is('html')
req.is('text/html')
req.headers
req.headers['host']
req.headers['user-agent']
req.headers['accept-encoding']
req.headers['accept-language']