POST /url-encoded HTTP/1.1 Host: localhost Connection: keep-alive Content-Length: 54 Cache-Control: max-age=0 Origin: null Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.87 Safari/537.36 Content-Type: application/x-www-form-urlencoded Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Encoding: gzip, deflate, br Accept-Language: en-US,en;q=0.8 first_name=Ada&last_name=Lovelace&age=36&gender=Female