=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
content-type: application/pdf
etag: &quot;5bac1538-4a673&quot;
last-modified: Wed, 26 Sep 2018 23:24:40 GMT
server: nginx
x-pantheon-styx-hostname: styx-fe1-59757886d4-58dxw
x-styx-req-id: styx-34a3a2f74ccca3c78f3acfe295034c43
via: 1.1 varnish
accept-ranges: bytes
via: 1.1 varnish
age: 0
accept-ranges: bytes
date: Sun, 14 Apr 2019 04:11:40 GMT
via: 1.1 varnish
x-served-by: cache-mdw17382-MDW, cache-mia17622-MIA, cache-mia17622-MIA
x-cache: MISS, MISS, MISS
x-cache-hits: 0, 0, 0
x-timer: S1555215100.022398,VS0,VE288
strict-transport-security: max-age=900
content-length: 304755

Request headers
================
HEAD /sites/default/files/legacy/reports/1107usc_summit%20_harrisnteractive.pdf HTTP/2
Host: www.uschamber.com
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: https://itxdesign.com
Connection: close


Link is valid.