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Long Expires/max-age dates, why its suggested?
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Long Expires/max-age dates, why its suggested?
10-15-2014, 01:15 AM (This post was last modified: 10-15-2014 01:18 AM by postcd.)
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Brick Long Expires/max-age dates, why its suggested?
Hi, I found on many places people suggest having like 1 month or 1 year expiration dates on images. So browser cache it for long time..

BUT I would think its better to have image expiration time like 5 minutes. WHY? Because if i modiffy some image i want users to see modiffied image quickly, not have old image cached maybe weeks on their browser cache.. (i know i can change image name, but i not always want to rename it)

While i set 5 minutes expiry date, i believe after this time browser asks server if that image modiffication date changed (tru last-Modiffied or etag). If image mod. date not changed, then its again served from browser cache next 5 minutes? (is that so?) So no bandwidth/performance loss, but i know people will see fresh images..? Thank you
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Long Expires/max-age dates, why its suggested? - postcd - 10-15-2014 01:15 AM

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