Softlinkster Semantic Search is a powerful self-hosted search plugin for WordPress. Unlike cloud-based alternatives, all processing happens on your server — no external API calls, and no data leaving your site.
Core Features
BM25 Ranking — Industry-standard text relevance scoring with TF-IDF weighting.
Live AJAX Search — Instant search dropdown with thumbnails, prices, keyboard navigation, and accessibility.
Faceted Filtering — Filter results by category, tag, post type, price range, stock status, and product attributes.
WooCommerce Integration — Search products by SKU, attributes, variations; display prices and ratings in results.
Multilingual Support — 10 language processors (English, Spanish, French, German, Arabic, CJK, and more).
Search Analytics — Top queries, zero-result queries, CTR, click tracking, and CSV export.
Did You Mean — Automatic spell correction with clickable suggestions.
Zero-Result Fallback — Show popular content, recent posts, and trending queries when no results match.
Rich Result Cards — Thumbnails, excerpts, prices, star ratings, and post type badges.
Privacy-First — GDPR-compliant with anonymized session tracking, data export, and erasure.