repeat veiw slower than first view

I performed several optimizations on my WordPress site and the load times have improved considerably. I installed the W3 Edge plugin, purchased a W3 Pro license, used MaxCDN as the CDN, and licensed Cloudflare Platinum. All the numbers have improved with one strange anomaly. Repeat view is often slower than first view. Any ideas what could cause this? The URL is

I did more testing today. The repeat view is sometimes twice as long as the first view (e.g. 1.6 s first view vs 3.2 s repeat view). Any insight into why this is happening is appreciated.

I’ve just tried testing your site again a few times and I couldn’t replicate the slower 2nd view.

Do you have an example of one of your tests you can share so we can take a look?