How can I accelecate the load of the public homepage?

Hi all,
we have implemented several portal projects. But all the time we
not able to solve one problem. How can I speed up the initial
load of the public homepage.
We have implemented distributed environment (e.g. app server and
database on different machines). We have applied all the
patches. We are working with mutiple cpus and a huge amount of
main memory. We have read the manuals about apache tuning.
But we have still a performance problem with the public homepage
of a portal installation. A workaround is a static html page at
first. But we don't like it.
Any ideas are very appreciated.
Thanks,
Ingo

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How can I accelecate the load of the public homepage?

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