cache not working

Cache is not working on any other page on the website.

I checked that in settings >> general
WordPress url and Site URL both set to https://

I tried following this article too, but no help..

https://www.wpfastestcache.com/tutorial/wordpress-nonce-cache/

I tried with Autoptimize and that cache is working. AM i missing something?

The page I need help with: [log in to see the link]