35

Installing and Activating Plugins

There are a lot of things that WordPress doesn't do, and that's a good thing. The simpler the base, the more secure, the more bug-free, and the more efficient it can be. It's also easier to update a simple structure. But you'll probably want WordPress to do more, and that's where plugins fit in, so to speak.

In this lesson, you learn about finding, installing, and activating plugins. Lesson 37 provides a quick guide to help you sort through the more than 15,000 plugins available — during the time I was working on this lesson, more than 150 plugins were added to the directory!

WHAT IS A PLUGIN?

Plugins are scripts that provide additional functionality to WordPress, from simple tasks such as removing the version number of WordPress to creating a full-fledged shopping cart system. The name refers to the simplicity of adding these scripts to WordPress — you just “plug” them in with the click of a mouse. You may have to do some configuration, depending on the complexity of the function, but even then, the vast majority of plugins are meant to be used by novice and expert WordPress users alike. One of the best things about plugins is that you can unplug them. That's important because it helps protect the basic elements of your website, by keeping the plugins separate from the core WordPress files. If something goes wrong with a plugin, either because of a conflict with other plugins or when you update WordPress, or you change your mind and don't want ...

Get WordPress® 24-Hour Trainer, Second Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.