It does, however, reload the tab's contents when you switch to it. The smarter thing to do IMHO would be to marshal the DOM & JavaScript context to disk, and l

It does, however, reload the tab's contents when you switch to it. The smarter thing to do IMHO would be to marshal the DOM & JavaScript context to disk, and load that, only reloading from the original page if the user clicks 'reload.' I don't think that the disk space necessary to cache all this is scary, since after all the whole thing has to fit in memory anyway, and disks are order of magnitude larger than RAM.