WordPress search doesn’t search everything and doesn’t give you enough control over what gets searched and how. Relevanssi gives you full access and full control, with plenty of filters and ways to make Relevanssi work the way you want your search to work.
Multisite Searches Relevanssi can perform searches across many subsites in the same multisite network.
Custom Fields Relevanssi will find the content in your custom fields, including things like WooCommerce SKUs, ACF field content, or whatever you store in custom fields. Read more about custom field search .
User Profiles Yes, Relevanssi will find users by their names and profile descriptions.
Taxonomy Terms No matter if you prefer categories, tags or custom taxonomies, Relevanssi will return the term archive pages in searches!
Shortcode Output Relevanssi can expand shortcodes and find the content generated by shortcodes.