Site running very slowly

Hi. My Drupal site has become very slow. I’m trying to analyze what the issue could be, and I’m stuck.

Our site is visible here.

I’m not sure why this is happening and I’ve been struggling to figure out why. Click around to some of the other pages. It’ll probably take a minute or so to load each one. I turned the ad blocker on and it’s still very slow.

Thanks,
Brendan

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/22/feed