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- Application protocol (HTTP/2, HTTP/1, SPDY/3.1), with %<cqpv>.
- Milestones/state times of a transactions to get a better understanding of where time for responses is spent.
- SSL session hit or miss
- Connection reuse or new connection for the request
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- stream_editor - Plugins for modifying the content of a response using a string or regular expression substitution
- mp4 - Allows for starting at the offset of a mp4 video stream
- cache_promote - Give better granularity on when an object is allowed to be written into the cache.
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