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Opera also does this...
Opera doesn't prefetch the site but uses the cache to show already opened sites.
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though it would be really cool to include in K-Meleon...
It might be cool but would add little value to the browser. IMO rather an eye catcher.
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A prefetch feature causes a lot of bandwidth suckage, bad for those of us who do not have the fastest connection,...
Bad for all of us or useless at best. A cheap trick to make the average user into believe the browser loads faster. Also a good facility for some webmasters to get us loaded with crappy content.
K-Meleon is for the moment the fastest and lightest on resources browser.
Those who prefers fancy things, bells and whistles to performance already have different altenatives to choose from.