A plugin adds features to WordPress: forms, caching, security, SEO, shop. Each installed plugin increases the attack surface and can slow the site down: install only those that are maintained, useful and up to date, and delete the unused ones.
A plugin adds features to WordPress: forms, caching, security, SEO, shop. Each installed plugin increases the attack surface and can slow the site down: install only those that are maintained, useful and up to date, and delete the unused ones.