=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: CloudFront
Date: Mon, 29 Jul 2019 01:38:25 GMT
Content-Type: text/html
Content-Length: 183
Connection: close
Location: https://action.firedoglake.com/page/s/facebookcensorship?source=fdl&amp;subsource=actiong
X-Cache: Redirect from cloudfront
Via: 1.1 5fcb74309ceeeea8dbabd801cecfed4f.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: IAD79-C2
X-Amz-Cf-Id: y0qVs37f3KGQMkh2X-PiYk-tTr8UAR2G1E32G7TvIZzOLT_BonuI6g==

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Connection: close
Date: Mon, 29 Jul 2019 01:38:25 GMT
Server: Apache
Surrogate-Key: wrapper:27:en_US:1
Cache-Control: max-age=600
Expires: Mon, 29 Jul 2019 01:48:26 GMT
X-Cache: Miss from cloudfront
Via: 1.1 f672414ac3f5fcc589dd2a6d8cdee8bf.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: IAD79-C2
X-Amz-Cf-Id: dvuN2jaeE9UB523p8772K9yGYcxZOirNwULi6cUZQfanBNt-m1Xkhw==

Request headers
================
HEAD /page/s/facebookcensorship?source=fdl&amp;subsource=actiong 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: action.firedoglake.com
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.