WordPress Search Plugins Compared by Use Case
WordPress's default search only queries post titles, excerpts, and content via SQL LIKE, missing custom fields, taxonomies, and WooCommerce data. This guide categorizes search plugins into four types: full search replacements (SearchWP, Relevanssi), infrastructure-level services (ElasticPress, WP Engine Smart Search), AJAX/live search plugins (Ajax Search Lite, SearchWP Live Ajax Search, Ivory Search), and faceted filtering tools (FacetWP, WPFilters). SearchWP suits teams wanting visual configuration; Relevanssi offers deeper code-level control and better agency licensing. FiboSearch is the fastest path to WooCommerce live search, while SearchWP Pro handles complex product metadata. For large or high-traffic sites (50k+ posts), ElasticPress offloads search to Elasticsearch, while WP Engine Smart Search provides a managed alternative. The guide also covers evaluation criteria: custom field indexing, search analytics, and combining search engines with faceted filtering layers.