It depends on. >Facebook< now uses https, which can not be cached. Valif for other sites, using https, too. Or, in other words, only http can be cached. > and game sites where chat is available.< So facebook not (because of https), game sites may be, in case of using http for chat. > Are facebook posts cached or just images?< Neither or, as https is used. > Is the chat on chat sites cached in any format that can be available. < In case, of http, may be. Not all http can be ceache, either. >Is gaming chat cached and accessible if needed?< MIGHT be cache in case of http, which is unlikely. Usually, games use teamspeak, for example, which can not be cached. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/what-is-cached-tp4666610p4666611.html Sent from the Squid - Users mailing list archive at Nabble.com.