Yesterday, the following archived version from June 19 was viewed.
   https://web.archive.org/web/20200619233630/https://www.worldometers.info/coronavirus/
   The "New Recovered" column was visible, along with three other columns.
   Today, as in the past, "New Recovered" is again hidden.

   *****   How can they be made visible?  *******
   

   The current webpage is https://www.worldometers.info/coronavirus/
   The "New Recovered" column is hidden by default.
   Columns are hidden or unhidden by clicking the "Columns" button.
   Using Windows 10 1909 and Firefox 78
   

   Tab to "Columns" button; tried every modifier key, ctrl+<key>, Enter, right- and left-click...
   

   First visit the current page https://www.worldometers.info/coronavirus/
   "New Recovered" column is not visible.
   Click "Columns" and select "New Recovered" which is column 7.
   (it is 6 in list because column 1 can't be hidden)
   
   Now, open an archived page.  This is the one which had no hidden columns yesterday.
   https://web.archive.org/web/20200619233630/https://www.worldometers.info/coronavirus/
   Note the "New Recovered" column is not visible.
   To prove the data has been captured:
   Select "Yesterday"
   Press "Ctrl+u" to see the "Page Source"
   Find (Ctrl+f) and find one of the following "New Recovered" values (96,845  10,942) World & USA
   Find "Columns" to see the list of available columns.  ("New Recovered" is column 7)
   Find again and to see that columns 7, 16-18 are set to false preventing being displayed.
   

'''Why I know it can be made visible''' Yesterday, the following archived version from June 19 was viewed. https://web.archive.org/web/20200619233630/https://www.worldometers.info/coronavirus/ The "New Recovered" column was visible, along with three other columns. Today, as in the past, "New Recovered" is again hidden. '''The question:''' ***** How can they be made visible? ******* '''Misc Information including the current, not yet archived, page''' The current webpage is https://www.worldometers.info/coronavirus/ The "New Recovered" column is hidden by default. Columns are hidden or unhidden by clicking the "Columns" button. Using Windows 10 1909 and Firefox 78 '''What I have tried''' Tab to "Columns" button; tried every modifier key, ctrl+<key>, Enter, right- and left-click... '''How to see what I see''' First visit the current page https://www.worldometers.info/coronavirus/ "New Recovered" column is not visible. Click "Columns" and select "New Recovered" which is column 7. (it is 6 in list because column 1 can't be hidden) Now, open an archived page. This is the one which had no hidden columns yesterday. https://web.archive.org/web/20200619233630/https://www.worldometers.info/coronavirus/ Note the "New Recovered" column is not visible. To prove the data has been captured: Select "Yesterday" Press "Ctrl+u" to see the "Page Source" Find (Ctrl+f) and find one of the following "New Recovered" values (96,845 10,942) World & USA Find "Columns" to see the list of available columns. ("New Recovered" is column 7) Find again and to see that columns 7, 16-18 are set to false preventing being displayed. '''Since "New Recovered" column on the archived page somehow became visible yesterday. I know it can be done. ''' Thank you, in advance.