On Thu, 11 Jul 2013, Marcos Caceres wrote:
>
> As a result of a discussion a few of us had today at the Toronto work 
> week about the use of appcache on the web (and if we should "fix it"), I 
> did a quick scan of the sites using appcache in Alexa's top ~50,000 
> websites (only includes the landing page at a given URL).
> 
> Of the search, 16 sites were returned - 2 of which have appcache 
> commented out. 1 site only enabled it for Mobile IE.

Note that the main use case for appcache is applications, which tend to be 
behind authentication walls and robots.txt blocks. For example, I would 
doubt that a grep is going to catch Google Docs' use of appcache. (Not 
that they want appcache to remain as is, but that's a separate issue.)

appcache is, in this respect, similar to <keygen> (which is almost not 
used at all on the public web, but is used on intranets and behind 
paywalls and authentication walls).

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
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