javascript - google analytics js file cached but utm.gif still loaded -


i use google analytics uses file ga.js. creates hidden utm.gif file in parameters attached , sent server (to included in google analytics interface)

my understanding utm.gif uses "304 not modified" header, ensure file reloaded (rather cached).

in case, possible ga.js not loaded (sometimes cached) in browser, still utm.gif works normal (using cached ga.js instead of downloaded ga.js)? in other words, ga.js file need downloaded (for every request) in order utm.gif have right parameters?

cheers

ke

does ga.js file need downloaded (for every request) in order utm.gif have right parameters?

no doesn't. script uses parameters inline script add site.


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