The FacetWP Relevanssi Integration Addon is an official addon that connects FacetWP's advanced filtering system with Relevanssi's powerful search engine. It is designed for WordPress sites with large volumes of content, extensive catalogs, or complex stores where filters and search must work in perfect sync.
When a site uses FacetWP and Relevanssi separately, inconsistencies can arise: results that don't respect relevance order, indexed content that disappears when applying facets, or listings that don't reflect the field weighting rules configured in Relevanssi. This addon acts as a bridge between both systems, aligning filtering logic with the relevance defined by the search engine.
Upon activating the addon, each FacetWP search facet shows a new "Relevanssi" option within its search engine configuration. This allows queries generated by FacetWP to leverage Relevanssi's advanced index, which includes search in custom fields, taxonomy terms, PDF content, and other data that WordPress's native search doesn't cover.
Its main benefits include:
This addon is designed for WordPress administrators managing large catalogs, agencies and developers building complex projects, and content teams that adjust relevance with Relevanssi and want those criteria to remain active in filtered listings. It doesn't replace any FacetWP or Relevanssi functionality; it simply makes both work together predictably and efficiently.