Ironically, this seems much faster (for pages already, erm, "researched") than the real one! How?
That could be the thing behind it being so quick.
Cloudflare workers have 1ms cold start.
I feel like I have some minimum latency "priced in" to my expectation when I click a link on a static site, so yours feels uncannily like it's somehow able to anticipate my clicks, adding to the surreal atmosphere.