=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Server: nginx/1.10.3 (Ubuntu)
Date: Mon, 29 Jul 2019 00:35:52 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 22308
Connection: close
X-Powered-By: Express
Access-Control-Allow-Origin: *
set-cookie: connect.sid=s%3AEHPyPH20oRpd7_--hcGVJ4sBum6H8xKi.q0UrgaLdWtvPh%2Fkwq73jnZJpuBe7QXRyubZBBahNkvw; Path=/; HttpOnly
Vary: Accept-Encoding

Request headers
================
HEAD /preview?dataset=good-samaritan-overdose-laws 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: www.lawatlas.org
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.