Headers of https://www.heise.de/newsticker/

HTTP/1.1 200 OK
Server
nginx
Date
Sun, 03 Nov 2019 15:30:07 GMT
Content-Type
text/html; charset=UTF-8
Last-Modified
Sun, 03 Nov 2019 15:30:07 GMT
Cache-Control
public, max-age=30
Age
20
Strict-Transport-Security
max-age=15768000
X-Frame-Options
DENY
X-XSS-Protection
1; mode=block
X-Content-Type-Options
nosniff
Vary
Accept-Encoding,X-Export-Format,X-Export-Agent
Accept-Ranges
bytes
Content-Length
471288
Connection
close