Test speed with curl

curl-speed-test.sh

#!/usr/bin/env bash

set -u

if [[ 0 -eq "$#" ]]; then
  echo "Test ttfb and stuff of GET request"
  echo "    USAGE: $0 URL+"
  exit 1
fi

for url in "$@"; do
  curl -o /dev/null \
    -H 'Cache-Control: no-cache' \
    -vv -s --compressed \
    -w "
URL: %{url_effective}
DNS lookup: %{time_namelookup}  |  Connect: %{time_connect}  |  TTFB: %{time_starttransfer}  |  Total time: %{time_total}  |  Avg Speed: %{speed_download} B/s
" \
    "$url"
done