Mikko Saari

<p>Relevanssi Light replaces the default WP search with a search that uses the fulltext indexing capabilities of the database. It requires a modern version of MySQL or MariaDB.</p>
<p>Relevanssi Light is very powerful, as it leverages your database to do all the hard work. Even large sites will return relevant results quickly and efficiently. Indexing is fully automatic and always handled by your database server.</p>
<p>Thanks to Otto Kekäläinen (ottok) for the original idea, development push, and all the feedback.</p>
<p>Feedback is welcome. I follow the support forums here, but you can also post an issue on <a href="https://github.com/msaari/relevanssi-light" rel="nofollow ugc">the Relevanssi Light GitHub page</a>. That’s where the active development happens.</p>
<h4>Comparison between Relevanssi Light and Relevanssi</h4>
<p>Relevanssi Light is a simple, easy-to-use tool with limited capabilities. It provides very fast search results with better quality, but with little room for customization and adjustment.</p>
<p>Relevanssi is a full-fledged search solution that offers lots of features and full control over the search index and the search results. It generates useful excerpts with the search terms highlighted, can provide “Did you mean” suggestions, keeps logs and much more. Indexing and searching is much slower than with Relevanssi Light.</p>
<p>Relevanssi Premium adds more features to Relevanssi: it can index user profiles, taxonomy terms, and PDF content, generate related posts lists and more.</p>


Relevanssi Light

Works really well and the plugin author is very helpful :-)

It's also very well coded with full documentation, as well as hooks and pluggable functions to allow for extension and customisation.

Great little plugin


The full Relevanssi is great, but this is usually all I need. Just a replacement for the default WP search, with more relevant results, but without the complexity of settings, indexing, extra tables, etc. Bonus: it works with jet smart filters too, and it doesn't mess up the post type filter like the base Relevanssi.


Exactly what I need

Relevanssi Light is a simple, quick and effective search improvement that replaces the default WP search with a fulltext index search.

Casey Bisson

<p><a href="http://sphinxsearch.com/" rel="nofollow ugc">Sphinx</a> is a blazing fast index of content. This plugin makes it easy get WordPress posts into Sphinx, then query them using <a href="https://codex.wordpress.org/Class_Reference/WP_Query" rel="nofollow ugc">standard WP Query</a>. This approach improves the performance of queries in core WordPress and even in plugins without having to implement a new API or rewrite the queries.</p>
<p>See it in use at <a href="http://search.gigaom.com/" rel="nofollow ugc">search.gigaom.com</a>. Each search result is a post in WordPress, Sphinx does the work to find the matching results. The filters in the sidebar are powered by <a href="https://github.com/misterbisson/scriblio" rel="nofollow ugc">Scriblio</a> based on taxonomy data on each post.</p>
<h4>What it accellerates</h4>
<p>The plugin accellerates most WP Queries, including search, tag/taxonomy, author, and date, among others. The full list of supported query vars is:</p>
<ol>
<li>author</li>
<li>author_name</li>
<li>authors</li>
<li>category__and</li>
<li>category__in</li>
<li>category__not_in</li>
<li>exclude</li>
<li>feed</li>
<li>fields</li>
<li>ignore_sticky_posts</li>
<li>include</li>
<li>no_found_rows</li>
<li>numberposts</li>
<li>numberposts</li>
<li>offset</li>
<li>order</li>
<li>orderby</li>
<li>output</li>
<li>paged</li>
<li>post__in</li>
<li>post__not_in</li>
<li>post_parent</li>
<li>post_status</li>
<li>post_type</li>
<li>posts_per_page</li>
<li>s</li>
<li>suppress_filters</li>
<li>tag</li>
<li>tag__and</li>
<li>tag__in</li>
<li>tag__not_in</li>
<li>tag_id</li>
<li>tag_slug__and</li>
<li>tag_slug__in</li>
<li>tax_query</li>
<li>wijax</li>
</ol>
<p>See those <a href="https://github.com/GigaOM/go-sphinx/blob/master/components/class-go-sphinx.php#L45" rel="nofollow ugc">in the code</a>.</p>
<h4>What it doesn’t</h4>
<p>One of the only class of queries <em>not</em> supported are queries against metadata. Those are ignored by this plugin and WP Query handles those as usual.</p>
<p>go-sphinx automatically detects if other plugins have modified the SQL outside WP Query and steps out of the way if so. That allows the query to execute against the MySQL database as usual, but without the performance benefits of Sphinx.</p>
<h4>In the WordPress.org plugin repo</h4>
<p>Eventually: https://wordpress.org/plugins/go-sphinx/</p>
<h4>Fork me!</h4>
<p>This plugin is on Github: https://github.com/gigaOM/go-sphinx</p>


Gigaom Sphinx

Improve WP Query performance using Sphinx.

Relevanssi Light vs Gigaom Sphinx