WP-Optimize 2.1.1 is now released.
Amongst other improvements it features the ability to take a automatic backup with UpdraftPlus before an optimization. WP-Optimize has always recommended taking a backup before optimizing the database in case you ask it to clean out a part of the database you intended to keep. This feature will trigger its sister-plugin UpdraftPlus to take one automatically, saving you time.
Also, when optimizing from the dashboard, tables are now optimized one by one, to reduce the scope for annoying timeouts.
If you aren’t yet using WP-Optimize, you can get it free from here.