Understanding the timing values from Charles debugging proxy
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27-06-2021 - |
Question
This image from Charles shows some pretty interesting information:
- Duration
- Request Duration
- Response Duration
- Latency
I'd like to better understand what these terms actually mean.
ie., How does Charles measure the request duration? (In the course of a HTTP transaction, this is the time from when-to-when?) Likewise for response.
Also, request + response != Duration
. Is the remainder server-side processing time?
What is Latency a measure of here?
Solution
From the documentation:
- Request - the time spent sending (uploading) the request (dark blue)
- Latency - the time spent waiting for network latency or processing time on the server (mid blue)
- Response - the time spent receiving (downloading) the response (light blue)
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