=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: Varnish
Retry-After: 0
Content-Type: text/html; charset=utf-8
Content-Length: 717
Accept-Ranges: bytes
Date: Tue, 25 Sep 2018 17:54:55 GMT
Via: 1.1 varnish
Connection: close
X-Served-By: cache-sjc3148-SJC
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1537898095.353272,VS0,VE0
Location: https://www.businessinsider.com/we-asked-an-exercise-scientist-how-many-days-a-week-you-need-to-work-out-to-actually-make-a-difference-2015-6

HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Set-Cookie: AWSALB=PIb/PFbp8RoR9o0pSN4pfNsXU/KEXSnMIfoXhPR7BdQtN/YceyfWcJWH5jjhL0yCDhbnReDIU0HUxK0MEoe2x3GVuKZvE56dRUzWWFQhETQNqt6NpDpuekDePaoi; Expires=Tue, 02 Oct 2018 17:54:55 GMT; Path=/
Server: nginx/1.11.13
X-Powered-By: PHP/7.0.14
Cache-Control: no-cache, private
X-Real-Ip: 50.87.248.94
X-Country-Code: US
X-Birta-Served: true
X-Birta-Cache-Post: false
Content-Length: 180881
Accept-Ranges: bytes
Date: Tue, 25 Sep 2018 17:54:56 GMT
Via: 1.1 varnish
Age: 0
Connection: close
X-Served-By: cache-sjc3149-SJC
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1537898095.462153,VS0,VE744
Vary: Accept-Encoding, Fastly-SSL, X-TBI-Served, X-Birta-Served, X-Device, X-UA-Device, X-Tbi-User, X-Birta-User

Request headers
================
HEAD /we-asked-an-exercise-scientist-how-many-days-a-week-you-need-to-work-out-to-actually-make-a-difference-2015-6 HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.businessinsider.com
Accept: */*
Referer: http://sothisisfitness.com
Connection: close


Link is valid.