interesting point.  anyway to force request coming from just one
server .. or else we will not able to use any cache.



On Jan 5, 10:19 pm, "warden [Andrew Leach - Maps API Guru]"
<[email protected]> wrote:
> On Jan 5, 2:01 pm, asianCoolz <[email protected]> wrote:
>
> > seems to me there is no way at all , we can control and implement any
> > cache... or nobody else know the answer..... sigh.... the trust is..
> > it's slow to load google map
>
> Headers on a typical tile are
>   Content-Type:image/png
>   Date:Mon, 05 Jan 2009 14:15:25 GMT
>   Expires:Tue, 05 Jan 2010 14:15:25 GMT
>   Cache-Control:public, max-age=31536000
>   Server:Keyhole Server 2.4
>   Content-Length:21999
> so they are cached for a year.
>
> One issue is that tiles come from one of four servers, mt0 to mt3, so
> identical tiles could be requested from a different URL. That will
> defeat the browser cache.
>
> Andrew
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