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An overview of the six time values available from curl_easy_getinfo()
curl_easy_perform()
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|--NT
|--|--CT
|--|--|--PT
|--|--|--|--ST
|--|--|--TT
|--|--|--|--|--RT
NT = CURLINFO_NAMELOOKUP_TIME. The time it took from the start until the name
resolving was completed.
CT = CURLINFO_CONNECT_TIME. The time it took from the start until the connect
to the remote host (or proxy) was completed.
PT = CURLINFO_PRETRANSFER_TIME. The time it took from the start until the file
transfer is just about to begin. This includes all pre-transfer commands
and negotiations that are specific to the particular protocol(s)
involved.
ST = CURLINFO_STARTTRANSFER_TIME. The time it took from the start until the
first byte is just about to be transferred.
TT = CURLINFO_TOTAL_TIME. Time of the previous transfer. This time does not
include the connect time (CT), so if you want the complete operation
time, you should add that.
RT = CURLINFO_REDIRECT_TIME. The time it took for all redirection steps
include name lookup, connect, pretransfer and transfer before final
transaction was started. So, this is zero if no redirection took place.
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