Essential plugins vs. nice-to-have
Truly essential plugins for most websites: an SEO plugin (Rank Math or Yoast), a security plugin (Wordfence or Solid Security), and a caching plugin (WP Super Cache or W3 Total Cache). Everything else is optional. Fewer plugins means a faster and more secure website.
Page builder plugins
Page builders like Elementor and Divi are technically plugins (or theme + plugin). They increase load time and create dependencies. Alternative: Gutenberg (no plugin needed) or anipage.io — which generates pages that work with Gutenberg without additional plugins.
Avoiding plugin conflicts
Plugin conflicts occur when two plugins claim the same resources or functions. Typical conflicts: multiple cache plugins, different SEO plugins, page builders with Full Site Editing. Rule of thumb: one plugin per function, and test after each installation.