in reply to Re^2: Web server cache-ing?
in thread Web server cache-ing?

No reason to flagellate yourself :) — it's not your fault, but the browser's, applying half-legal heuristics to determine when to ask the server if the image has been updated... (performance being the motivation behind it, relying on the 'typical case').

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Re^4: Web server cache-ing?
by Anonymous Monk on May 22, 2008 at 14:27 UTC
    for the pleasure :)