IDK but if you make a script and run it -- then look at the browser w/ firefox live HTTP Headers add on; or,
curl your test page URL
Code:
barry@paragon-DS-7:~$ curl -X HEAD -i 'https://gfy.com/'
Warning: Setting custom HTTP method to HEAD with -X/--request may not work the
Warning: way you want. Consider using -I/--head instead.
HTTP/1.1 200 OK
Date: Thu, 02 Nov 2017 13:55:53 GMT
Content-Type: text/html; charset=ISO-8859-1
Connection: keep-alive
Set-Cookie: __cfduid=dd618d22df242d865d99e4178888286b31509630953; expires=Fri, 02-Nov-18 13:55:53 GMT; path=/; domain=.gfy.com; HttpOnly
Set-Cookie: bbsessionhash=ecf9c70481cf1feb1bf1dd91ac56c2b1; path=/; HttpOnly
Set-Cookie: bblastvisit=1509630953; expires=Fri, 02-Nov-2018 13:55:53 GMT; path=/
Set-Cookie: bblastactivity=0; expires=Fri, 02-Nov-2018 13:55:53 GMT; path=/
Expires: Thu, 02 Nov 2017 13:55:52 GMT
Cache-Control: no-cache
Pragma: no-cache
X-UA-Compatible: IE=7
Server: cloudflare-nginx
CF-RAY: 3b77981133232579-ORD
Who the Fuck uses IE 7 today LOL
On the SEO Q?:
If your content is not changed then you would be gaming Googlebot and the other indexing bots ...