Problems with Glance and VPN

I have Glance running on my VPS and would like to display subreddits there as well. Therefore I tunnel Glance through a Wireguard VPN connection (ProtonVPN).
However, it seems that the content often takes too long to load.

Sometimes the RSS feeds don't load, sometimes Reddit doesn't load, sometimes the YT videos don't load.

Error messages then include
(Client.timeout exceeded while awaiting headers)
or
failed to retrieve any content

There is sometimes a red dot at Hacker News or Lobsters.

Is there a way for Glance to simply wait longer for the response or just load it again?

Thank you in advance for taking a look into it.