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SearchUs vs Relevanssi: Cloud Index vs On-Server WordPress Search
Relevanssi is a on-server WordPress search plugin. SearchUs instead extracts content via a WordPress plugin and serves queries from a cloud index—offloading index storage and search load with a full-page SERP, commerce filters, and Smart 404 recovery.
Relevanssi builds and queries a search index on your WordPress server. That adds load to your hosting stack and as the site grows will require increased hosting costs. SearchUs moves indexing and query serving to the cloud. SearchUs architecture benefits larger sites where server load, large catalogs, variation-aware WooCommerce search, document discovery, or search-powered 404 recovery matter most.
| Topic | SearchUs | Relevanssi |
|---|---|---|
| Architecture | Cloud index; WordPress plugin extracts eligible content; queries run on SearchUs cloud infrastructure | On-server index stored in WordPress/MySQL; search queries hit the same WordPress database as your site. |
| Hosting & index load | Index storage and query path designed to stay lean on WordPress; heavy search traffic offloaded to SearchUs cloud | Index size, rebuilds, and query load live on the WordPress server—can grow with catalog volume |
| WordPress workflow | Plugin install, account license, configurable SERP; Auto-Crawl refreshes the cloud index | Plugin settings, manual or scheduled rebuilds, and local index maintenance |
| Search results experience | Full-page SERP with filters and tabs—works with any theme and offers easy layout and style customization | Theme-integrated search results; experience depends on theme and Relevanssi template settings |
| WooCommerce | Products, variations, and Shopping-tab filters on the SERP out of the box | Can index products and custom fields with configuration; not a commerce-first SERP with built-in shopping filters |
| Document search (PDF & DOCX) | Text PDF and DOCX indexing when enabled in platform settings | Limited / Requires Premium — PDF text indexing available on-server; DOCX and depth vary by setup |
| Relevance tuning | Ranking weights, synonyms, and intent controls in the SearchUs dashboard | Strong weighting and post-type controls in plugin settings; synonym support varies by version and setup |
| Smart 404 recovery | Search-powered recovery from the same cloud index—not a redirect-only plugin | Not a primary Relevanssi feature; would require separate tooling or custom work |
| Search analytics | Search analytics in the dashboard to spot zero-result queries and tune relevance | Requires Premium — user search logs and analytics in paid tier; free version is more limited |
| Pricing model | Free license tier plus paid plans scaled by index capacity and monthly searches—same features on every plan | Free plugin plus one-time Premium license; no cloud hosting fee but you carry server index and query resource usage cost |
Capabilities change over time.
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