A cautious way to change your blog

If you've been blogging for a while, you might feel both intrigued and timid about making changes. ¶ 

You might hold back from trying a new blog theme for fear of subjecting your readers to an experiment, or to an extended period of switching things around. ¶ 

Ideally, you'd test and debug things in private, and then go live with the new design once it is ready for prime time. ¶ 

You can do that. I have done it twice (for another blog).

Puzzling interface hall of shame

Blogger's back end (at www.blogger.com) includes some quirks that are confusing at best. ¶ 

A worst, they could cause you to make errors that cannot be undone.