This worked for both Chrome and Firefox (a total of 26 tests of changing the page). Firefox needed the additional "must-revalidate" statement.
Code: Select all
<meta http-equiv="cache-control" content="no-cache, public, max-age=86400, must-revalidate">
<meta http-equiv="expires" content="0">
<meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT">
<meta http-equiv="pragma" content="no-cache">
And this also works on both Chrome and Firefox to set the max-age to 7 days. However the 7 days part is assumed okay. Only the 26 change tests were done.
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<meta http-equiv="cache-control" content="no-cache, public, max-age=604800, must-revalidate">
<meta http-equiv="expires" content="Tue, 01 Jan 2099 1:00:00 GMT">
<meta http-equiv="pragma" content="no-cache">
One more thing. I also found out that the webhost support made some changes to the flags at the server. So maybe that had something to do with it. However it did not get the Firefox part working. Only the must-revalidate change fixed that part.