A dead simple tool to check multiple urls in parallel and report on the result.
$> httpcheck https://google.com http://10.10.10.10 https://www.microsoft.com
https://google.com : 302 Found (235.59528ms)
https://www.microsoft.com : 302 Found (252.012142ms)
http://10.10.10.10 : Get http://10.10.10.10: net/http: request canceled (Client.Timeout exceeded while awaiting headers)