https://bugzilla.wikimedia.org/show_bug.cgi?id=19382





--- Comment #11 from Laurence 'GreenReaper' Parry <[email protected]>  
2009-06-25 13:36:39 UTC ---
If only! But unfortunately TCP/IP does not work like that, thanks to
slow-start, ACKs, and other mechanisms designed for a less reliable, slower
age. Check out the sites in comment   #3, or grab a copy of Wireshark
(http://www.wireshark.org/) and see for yourself.

Bytes saved in the head are especially precious because they have to be
downloaded and processed before the browser can start to display the rest of
the page. Many visitors - we're probably talking from 20-50% - come to
Wikipedia and other wikis with a clean cache, so having to download the JS and
CSS before they can see the page . . . and they can't start on *that* until the
<head> has arrived. There should be a strong justification for every element
there - _and_ for any whitespace in-between them, which gzip cannot always
eliminate.


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