Loadrunner and http expires header

Hi,

We are configuring our Apache web server to send "Expires" header with
gif images so that browser can cache them for few days.

Is it possible to measure the performance improvement using load
runner? We already have perf test scripts so we are wondering if we
can see any improvement in hits/sec or response time with expires
header.

Does anyone know if the browser simulated by loadrunner honors the
"expires" header and caches images accordingly?

Thanks,
Sameer
.

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