Any reason why of the slowness? I’d bypass using Cloudflare and the website loading speed back to normal. Any issue or rootcause that has been causing this?
Are Friday/Saturday your high-traffic times? It wouldn’t surprise me if your host was rate-limiting requests through Cloudflare IP addresses because they don’t realize all that traffic is proxied through just a few IP addresses.
I attempted many reloads of the front page and eventually got a 522 which strengthens my suspicion that your host is slowing down Cloudflare requests: