=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: Varnish
Retry-After: 0
Location: https://www.webpagetest.org/
Content-Length: 0
Accept-Ranges: bytes
Date: Tue, 16 Apr 2019 05:12:07 GMT
Via: 1.1 varnish
Connection: close
X-Served-By: cache-mia17627-MIA
X-Cache: HIT
X-Cache-Hits: 0
X-Timer: S1555391528.719418,VS0,VE6

HTTP/2 200 
server: nginx/1.14.0 (Ubuntu)
content-type: text/html; charset=UTF-8
access-control-allow-origin: *
set-cookie: o=ae644fe8a84d572ce6b294fad364338f2a028fba; expires=Wed, 15-Apr-2020 05:12:07 GMT; Max-Age=31536000; path=/
timing-allow-origin: *
link: &lt;https://www.webpagetest.org/&gt;; rel=&quot;canonical&quot;
accept-ranges: bytes
accept-ranges: bytes
via: 1.1 varnish
age: 0
accept-ranges: bytes
age: 0
accept-ranges: bytes
date: Tue, 16 Apr 2019 05:12:08 GMT
via: 1.1 varnish
age: 0
x-served-by: cache-iad2148-IAD, cache-mia17620-MIA
x-cache: MISS, MISS
x-cache-hits: 0, 0
x-timer: S1555391528.745603,VS0,VE262
vary: Accept-Encoding

Request headers
================
HEAD / HTTP/2
Host: www.webpagetest.org
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.