Suggested in forum:
I attached a patch for this issue, let me know if it's ok to commit.
perfect, can you please add in the tooltip "Time on page" then semi colon, prependded to the 165s
New translation can be created below this string in en.php:
'General_ColumnAverageTimeOnPage' => 'Avg. time on page',
(In ) Fixes #3274, added 'time on page' info to page tooltip in real time visitors widget and in visitor log.
(In ) Refs #3274, fix build & remove unneccessary timeSpentRef column from Live.getLastVisitsDetails API method.