Easily a top-ten mistake I see beginner WordPress users making is updating plugins, themes, and other code on the live site. Updating your code on the live site, without checking to see if it’s going to break stuff, is what developers call “Cowboy Coding,” and it’s an epidemic among beginners.
If you update it on the live site, and it breaks things, what are you going to do?
I’ll answer that: you’re going to have a broken website, and a painful day of getting things back like they were.
“But wait,” you say! “How can we update the plugin on a live site without clicking ‘update’?!?!”
Read the rest of this post over at the brand-new WP Steward Blog