Measure Response Time using CURL

Option 1: to measure total time:

curl -o /dev/null -s -w 'Total: %{time_total}s\n'

Sample output:

Total: 0.441094s

Option 2: to get time to establish connection, time to first byte (TTFB) and total time:

curl -o /dev/null -s -w 'Establish Connection: %{time_connect}s\nTTFB: %{time_starttransfer}s\nTotal: %{time_total}s\n'

Sample output:

Establish Connection: 0.020033s
TTFB: 0.417907s
Total: 0.435486s

Ref: Get response time with curl

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