I am always amazed at how many Domino apps I come accross that just "live with" these sort of front end performance issues. I always try to use site rule documents for the exact opposite purpose - to aggresively cache anything that is non-volatile by using the expires header. This avoids the whole browser-server HTTP 304 round trip entirely. I use a DXL based build process to force resource name and reference changes to ensure that when design changes are made, all browser clients will go back to the server to get the new versions.
The following book on this topic has become an absolute bible for me: {Link}
I am always amazed at how many Domino apps I come accross that just "live with" these sort of front end performance issues. I always try to use site rule documents for the exact opposite purpose - to aggresively cache anything that is non-volatile by using the expires header. This avoids the whole browser-server HTTP 304 round trip entirely. I use a DXL based build process to force resource name and reference changes to ensure that when design changes are made, all browser clients will go back to the server to get the new versions.
The following book on this topic has become an absolute bible for me: {Link}