Only 1 out of 4 URLs in the test was static. The others are rendered HTML templates (using Go's html/template -- I'll update the article to make that clearer), and one page does two SQL queries.

Note that my load test wasn't to see how much I could squeeze out of this, but to determine that it's "more than good enough" for this use case. The typical qps I get from real customers on the site is about 0.5 qps, so I think I'm good. :-)