=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Content-Type: application/json
Content-Length: 23
Connection: close
Date: Wed, 24 Jul 2019 17:11:15 GMT
x-amzn-RequestId: 0ba4b047-ae36-11e9-9abd-29aaf7ed6be3
x-amz-apigw-id: dVugGF3QoAMFkoA=
Location: http://genprogress.org/
X-Amzn-Trace-Id: Root=1-5d389133-db7bbd082ae6fa68e8437290;Sampled=0
Via: 1.1 a6b8be163644b3d1ad05590234a3f70f.cloudfront.net (CloudFront), 1.1 64f48913f84e52a7792094a73a889c99.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: IAD79-C3
Age: 373836
X-Cache: Hit from cloudfront
X-Amz-Cf-Pop: IAD79-C2
X-Amz-Cf-Id: TUwIVqzBDsPZSL86whEXH9qGqXc_mRd1N0CRU8nHCA5sjhT70-AdQg==

HTTP/1.1 301 Moved Permanently
Server: CloudFront
Date: Mon, 29 Jul 2019 01:01:51 GMT
Content-Type: text/html
Content-Length: 183
Connection: close
Location: https://genprogress.org/
X-Cache: Redirect from cloudfront
Via: 1.1 c1b581c57bf4a6612b8a88bfe89e4ea0.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: IAD79-C2
X-Amz-Cf-Id: TLO9s8WxXSOAgVfC6_93L8M4eFU5ZrS-vh5upwUw6Gucm1U_vDQhJw==

HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Connection: close
Date: Mon, 29 Jul 2019 01:01:51 GMT
Server: nginx
Link: &lt;https://genprogress.org/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Link: &lt;https://genprogress.org/&gt;; rel=shortlink
Expires: Mon, 29 Jul 2019 01:02:51 GMT
Cache-Control: max-age=60
Cache-Control: public, must-revalidate, proxy-revalidate, s-maxage=60
Strict-Transport-Security: max-age=0
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Vary: Accept-Encoding
X-Cache: Miss from cloudfront
Via: 1.1 495532b0efe43a0c4d32da9e6929277f.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: IAD79-C2
X-Amz-Cf-Id: hIcqGmwr898mxsHhxApNLZDylZUDxWLrwM6LR-RtMuXV5rkPfD5Y3A==

Request headers
================
HEAD / HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Host: genprogress.org
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.