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cf.timings.client_quic_rtt_msec

cf.timings.client_quic_rtt_msec Integer

The smoothed QUIC round-trip time (RTT) between Cloudflare and the client in milliseconds.

This field is only populated for QUIC (HTTP/3) connections. For TCP connections, the value is 0.

Example value:

Example usage:

# Match requests over QUIC where the RTT exceeds 200 ms
cf.timings.client_quic_rtt_msec > 200

Categories:

Request