the doc site is currently quite slow:
> curl -w '
>> %{time_connect}
>> %{time_pretransfer}
>> %{time_starttransfer}
>> %{time_total}
>> ' -O https://godocs.io/fmt
0.146805
0.498010
1.746271
2.011194
compare with the official site:
> curl -w '
>> %{time_connect}
>> %{time_pretransfer}
>> %{time_starttransfer}
>> %{time_total}
>> ' -O https://pkg.go.dev/fmt
0.042229
0.280236
0.357822
0.429597