[wp-hackers] Packing JavaScript

Omry Yadan omry at yadan.net
Tue Sep 18 20:34:56 GMT 2007

This is not true because of browser cache.

besides, you need to look at the bigger picture:

how much you are effecting the entire size of data a user gets when
connecting to the blog, not just how much you save from the javascript.

for example, if your entire front page is 200k including images and
everything, and you can save 10k of javascript out of 20k, you didn't
save 50%, you saved 5%.

in addition, the javascript is used mostly in the admin section,  the
default theme does not include ANY javascript files.

I think if there is an option, we should compacted javascript files
provided by library authors.

nothing more.

Computer Guru wrote:

> Just my two cents:
> I think it is pretty illogical to not do something just because it "might
> not be as effective" as other things that aren't mutually exclusive.
> Hell, if it's just a 1% difference w/ minification + gz compression +
> bundling vs just gz compression... That's 1% TIMES xx MILLIONS of requests
> to your blog === LOTS of bandwdith saved!
> And in this case, it's more than that, seemingly a lot more. But even if it
> isn't, I don't think that's a good excuse.
> -CG
> On 9/18/07, Charles <lists07 at wiltgen.net> wrote:
>>>> Anyway, the combination of (1) JavaScript compression, (2) generic
>>>> server-side text compression and (3) file-combining is the norm,
>>>> not the exception, for sites that uses JavaScript for anything
>>>> more serious than roll-overs.
>>> 1 and 3 are useless in most (not all, mind you) cases.
>> I'm not sure how you arrived at that conclusion.
>> Check out this chart to understand how server-side text compression and
>> JavaScript compression/minification* are complementary:
>> <http://yuiblog.com/assets/pageweight/filesize_by_type.gif>
>> Combining files when possible is almost always a good idea for deployed
>> apps, since (1) HTTP requests are relatively expensive and (2) browsers
>> typically limit themselves to two parallel downloads per hostname.
>> -- Charles
>> P.S.  I tend to call minifiers that use JavaScript interpreters to avoid
>> introducing new bugs during the minification process "compressors".  Not
>> everyone makes the distinction.
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