[OpenLayers-Users] optimizations to deliver openlayers js faster?

[Chris Holmes]

Christopher Schmidt wrote:
> On Tue, Jan 09, 2007 at 05:22:06PM -0500, Chris Holmes wrote:
>>
>> Christopher Schmidt wrote:
>>> On Tue, Jan 09, 2007 at 03:35:26PM -0500, Chris Holmes wrote:
>>>> Hey guys, we're contemplating putting a little demo similar to the one 
>>>> on openlayers homepage on the GeoServer homepage.  But my concern is 
>>>> that the javascript loading can be a bit slow.
>>> Is this a concern you've seen from the OpenLyaers home page, or other
>>> pages? The OpenLayers homepage is using:
>>> * gzip encoding (post-filter in Apache2) of the javascript
>>> * Single file build 
>> No, not at all.  Sorry, should have stated more clearly.  Was mostly 
>> looking to figure out exactly what you guys were doing on OpenLayers 
>> homepage.
>>
>>> If this isn't enough for you, it is possible to build a much smaller
>>> single file build via Build Profiles:
>>> http://trac.openlayers.org/wiki/Profiles   
>> Cool.
>>
>>>> What's the most efficient way to deliver the javascript so it loads up 
>>>> quickly?  Do I gzip it somehow?  Put it all in one file?  Have it load 
>>>> modularly?
>>> python build/build.py in 2.3+ or build/build.sh in 2.2- are the ways to
>>> build a single file version -- alternatively, use the hosted API, which
>>> does this, and also has the nifty apache setup, for you.
>> Thanks!  It sounds like the easiest thing is to just use the hosted 
>> file.  /me crosses fingers for 2.3.0 hosted version soon (I can function 
>> without it though).
> 
> There is an RC1, but there are outstanding bugs with RC1 that I haven't
> fully reviewed before we can do an RC2, and I like to wait several days
> before RC -> Final status. If you have specific things you'd like to see
> changed/improved for your demo, I can help you add Javascript to your
> application code to add functionality that you need from 2.3 in a 2.2
> application.  Let me know.

Ah, so just over-ride on the client side or some such?  I still want to 
use the zipped up single build file.

The two I'm using right now are multiple hostnames and the multiple 
reload tries when a single tile won't come up.  I'm not in a huge rush 
though, I can just do static linking from the home page.

best regards,

Chris

> 
> Regards,

-- 
Chris Holmes
The Open Planning Project
http://topp.openplans.org
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