Maybe find a metric to try to maximise the chance that you reopen an old tab ? Taking into account frequency to open this url, distribution in time, bookmarked,

Maybe find a metric to try to maximise the chance that you reopen an old tab ? Taking into account frequency to open this url, distribution in time, bookmarked, bookmarked and tagged... and put those in tab opened, tabs listed but not opened, or put in "history" .