See Time To First Byte (TTFB) for your site using curl command line:

curl -o /dev/null -w "Connect: %{time_connect} TTFB: %{time_starttransfer} Total time: %{time_total} n" https://www.cyberciti.biz

You do global test from https://t.co/d1Lz6rBKjN #linux #unix #sysadmin pic.twitter.com/aAIGBeFbL1

— nixCraft 🐧 (@nixcraft) January 4, 2019