Headers of http://talkingpointsmemo.com

HTTP/1.1 200 OK
Server
openresty/1.11.2.1
Date
Wed, 25 Jan 2017 04:33:17 GMT
Content-Type
text/html
Content-Length
166975
Connection
close
Vary
Accept-Encoding
Status
200 OK
Cache-Control
max-age=30
ETag
W/"a18e934ebe12b7b795e19fe1b42aa3c6"
Vary
Origin