404. That’s an error.
The requested URL /bookmarks/mark?op=edit&output=popup&bkmk=https://comedyplus.blogspot.com/2016/04/feline-friday_29.html&title=Feline+Friday was not found on this server. That’s all we know.
/bookmarks/mark?op=edit&output=popup&bkmk=https://comedyplus.blogspot.com/2016/04/feline-friday_29.html&title=Feline+Friday