Took me almost 30 seconds to load, maybe because the server is being hammered by HN traffic right now? Also like others here were saying, using a CDN would definitely help with the initial latency.
Example:
Business A - average render time 0.3s, but under load 5-10s
Business B - average render time 0.8s, but under load 1-2s.
Subjectively, around ~10s response time is the point I would close the tab and look for another business if I was trying to do shopping online, anything involving a credit card etc.