What is a plugin? How do I know if a plugin is safe?

plugin  The Newsletter Plugin is a complete tool to manage newsletters, straight from your Wordpress dashboard  MonsterInsights is the best Google Analytics plugin for WordPress Set up Google Analytics for WordPress with just a few clicks Over 100 million downloads

Made for developers At the core of the Advanced Custom Fields plugin is the simple and intuitive API Use functions like get_field() and the_field() to quickly Create and sell online courses with the Sensei WordPress LMS plugin — engaging lessons, interactive quizzes, and simple student management

YITH WooCommerce Dynamic Pricing & Discounts The best-selling plugin for creating promotions and upsell strategies in your store: 3x2, 2x1, BOGO, free Envira Gallery is the best premium WordPress photo gallery plugin Easily create beautiful photo and video galleries for your website in 5 minutes or less