Trying with curl -v
https://theguardian.com/uk/rss end up with nothing. It must block non-browser user agents or some such.
Code:
< HTTP/2 301
< server: Varnish
< retry-after: 0
< location: https://www.theguardian.com/uk/rss
< accept-ranges: bytes
< date: Tue, 16 Jan 2024 08:12:33 GMT
< via: 1.1 varnish
< x-served-by: cache-bru1480062-BRU
< x-cache: HIT
< x-cache-hits: 0
< x-timer: S1705392754.953974,VS0,VE0
< strict-transport-security: max-age=31536000
< content-length: 0
<
* Connection #0 to host theguardian.com left intact