There are a few reasons to do this. First, it allows QUIC and H2 developers to see the impact of their work (wins and regressions) at a high level. Second, it allows us to study the effect of loading changes on the protocols.
Summary: Create separate timing metrics (page load and net) for H2, QUIC, and H1 protocols (was: Create separate page load timing metrics for H2, QUIC, and H1 protocols)
Comment 1 by jkarlin@chromium.org
, Oct 31 2016