Interesting, HTTPS is almost twice as slow as plain HTTP on my server (~72 ms vs. ~135 ms):

$ hyperfine -r 50 "curl -so /dev/null 'http://movq.de/blog/postings/2024-05-23/0/t/word11a.jpg.jpg'"
Benchmark 1: curl -so /dev/null 'http://movq.de/blog/postings/2024-05-23/0/t/word11a.jpg.jpg'
  Time (mean ± σ):      72.7 ms ±  17.2 ms    [User: 6.2 ms, System: 4.8 ms]
  Range (min … max):    49.5 ms …  99.7 ms    50 runs

$ hyperfine -r 50 "curl -so /dev/null 'https://movq.de/blog/postings/2024-05-23/0/t/word11a.jpg.jpg'"
Benchmark 1: curl -so /dev/null 'https://movq.de/blog/postings/2024-05-23/0/t/word11a.jpg.jpg'
  Time (mean ± σ):     135.5 ms ±  28.9 ms    [User: 17.8 ms, System: 5.6 ms]
  Range (min … max):    93.2 ms … 198.5 ms    50 runs