11. Ongoing Checking and Renewal: Regularly monitor your SSL certificate’s expiration day and renew it just before it expires. Several CAs present applications and reminders that will help you keep track of certificate expiration. inconspicuous imperceptible little unobtrusive insignificant trivial slight trifling inconsiderable hidden invisible inconsequential unnoticeable hid See A https://www.youtube.com/watch?v=imiGL2YS2uo