Headers of http://www.yelp-support.com/

HTTP/1.1 200 OK
Date
Tue, 08 Mar 2016 17:40:24 GMT
X-Powered-By
Salesforce.com ApexPages
P3P
CP="CUR OTR STA"
Cache-Control
must-revalidate, max-age=0, s-maxage=600
Expires
Tue, 08 Mar 2016 17:40:24 GMT
Last-Modified
Tue, 08 Mar 2016 17:40:24 GMT
X-XSS-Protection
0
X-FRAME-OPTIONS
DENY
Content-Type
text/html;charset=UTF-8
Connection
close