How to test a website’s SSL using terminal and cURL

Basic cURL

curl -svo /dev/null

Performance cURL

curl -svo /dev/null -w "\nContent Type: %{content_type} \
\nHTTP Code: %{http_code} \
\nHTTP Connect:%{http_connect} \
\nNumber Connects: %{num_connects} \
\nNumber Redirects: %{num_redirects} \
\nRedirect URL: %{redirect_url} \
\nSize Download: %{size_download} \
\nSize Upload: %{size_upload} \
\nSSL Verify: %{ssl_verify_result} \
\nTime Handshake: %{time_appconnect} \
\nTime Connect: %{time_connect} \
\nName Lookup Time: %{time_namelookup} \
\nTime Pretransfer: %{time_pretransfer} \
\nTime Redirect: %{time_redirect} \
\nTime Start Transfer: %{time_starttransfer} \
\nTime Total: %{time_total} \
\nEffective URL: %{url_effective}\n" 2>&1

Source: https://curl.haxx.se

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