Here is what i've found
http://www.yuiblog.com/blog/2010/06/28/mobile-browser-cache-limits/
Table: Mobile browser cache characteristics
Browser/OS/Device Single Component Limit Total Component Limit Page
Cache Size Limit Supports Last-Modified Supports ETag Survives Power
Cycle
Android 2.1 (Nexus One) ~2MB (~2,048,000b) ~2MB (~2,048,000b) ∞ 2 Yes
Yes Yes
Mobile Safari, iOS 3.1.3 (1st-gen iPhone) 0b 1 0b 1 ∞ 2 No
No No
Mobile Safari, iOS 3.2 (iPad) 25.6KB (26,214b) ~281.6KB (~288,354b)
25.6KB (26,214b) Yes Yes No
Mobile Safari, iOS 4.0 (iPhone 3GS) 51.199KB (52,428b) ~1.05MB
(~1,100,988b) ∞ 2 Yes Yes No
Mobile Safari, iOS 4.0 (iPhone 4) 102.399KB (104,857b) ~1.9MB
(~1,992,283b) ∞ 2 Yes Yes No
webOS 1.4.1 (Palm Pre Plus) 3 ~1MB (~1,048,576) ? ~1MB (~1,048,576) No
No Yes
Mobile Safari on iOS 3.2. Its 25.6KB component limit and ~281.6KB
total cache limit are better than nothing, but they still seem paltry
compared to the other devices tested. Uniquely among iOS devices, the
iPad appears to limit the size of pages in the page cache to 25.6KB,
the same as its component size limit.
Mobile Safari on iOS 4.0 exhibited different limits on the iPhone 3GS
and on the iPhone 4, which implies that the limits adapt based on
available RAM (the iPhone 3GS has 256MB while the iPhone 4 has 512MB;
both devices tested had 32GB of flash memory). On the iPhone 3GS, iOS
4.0 has a 51.199KB component size limit and a ~1.05MB total component
cache size.
On the iPhone 4, the component size limit was almost exactly two times
the limit on the iPhone 3GS, at 102.399KB. The total component cache
size was approximately 1.9MB. Perhaps because iOS 3.2 and iOS 4.0 were
developed separately but branched from a common ancestor, the iOS 4.0
page cache size appears to be limited only by available RAM on both
devices tested, just like iOS 3.1.3.
Hope that helps :)
R.
Le 6 janv. 11 à 18:44, Michael Schwarz a écrit :
Hi list,
I found this:
"iPhone will not cache components bigger than 15K"
here: http://www.phpied.com/iphone-caching/
Can anyone verify or update on this?
Regards
Michael
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