Google maps & caching

adrian cockcroft adrian.cockcroft at
Wed Apr 4 22:25:16 CEST 2007

When I use filez to look at the stuff stored on my PalmOS Treo 650
there is a fairly obvious google maps cache file. So I'm pretty sure
they do cache tiles for performance, the point is that we cannot
decode or use that tile cache for any other purpose.


On 4/4/07, thomas.cooksey at <thomas.cooksey at> wrote:
> Hi All,
> I've read through several threads on this list, and others, which
> discuss the use of Google Maps for mobiles. It has been mentioned
> several times that Google doesn't allow map tiles to be cached. I've
> read through the Google Maps API "Terms of Use" and I can't seem to find
> any mention of caching being prohibited. Could someone please point me
> to the relevant section please?
> I find it a little odd that Google doesn't allow caching of map tiles as
> they are quite large and I can imagine Google's server & bandwidth costs
> are huge if every tile is fetched directly without going through a
> caching http proxy.
> My train of thought is going along the lines of running squid or similar
> on the actual phone...
> Cheers,
> Tom
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