Relevanssi – A Better Search

Opis

Relevanssi replaces the standard WordPress search with a better search engine, with lots of features and configurable options. You’ll get better results, better presentation of results – your users will thank you.

This is the free version of Relevanssi. There’s also Relevanssi Premium, which has added features. For more information about Premium, see Relevanssi.com.

Do note that using Relevanssi may require large amounts (hundreds of megabytes) of database space (for a reasonable estimate, multiply the size of your wp_posts database table by three). If your hosting setup has a limited amount of space for database tables, using Relevanssi may cause problems. In those cases use of Relevanssi cannot be recommended.

Key features

  • Search results sorted in the order of relevance, not by date.
  • Fuzzy matching: match partial words, if complete words don’t match.
  • Find documents matching either just one search term (OR query) or require all words to appear (AND query).
  • Search for phrases with quotes, for example „search phrase”.
  • Create custom excerpts that show where the hit was made, with the search terms highlighted.
  • Highlight search terms in the documents when user clicks through search results.
  • Search comments, tags, categories and custom fields.
  • Multisite friendly.
  • bbPress support.
  • Gutenberg friendly.

Advanced features

  • Adjust the weighting for titles, tags and comments.
  • Log queries, show most popular queries and recent queries with no hits.
  • Restrict searches to categories and tags using a hidden variable or plugin settings.
  • Index custom post types and custom taxonomies.
  • Index the contents of shortcodes.
  • Google-style „Did you mean?” suggestions based on successful user searches.
  • Support for WPML multi-language plugin and Polylang.
  • Support for s2member membership plugin, Members, Groups, Simple Membership and other membership plugins.
  • Advanced filtering to help hacking the search results the way you want.
  • Search result throttling to improve performance on large databases.
  • Disable indexing of post content and post titles with a simple filter hook.

Premium features (only in Relevanssi Premium)

  • Indexing attachment content (PDF, Office, Open Office).
  • Improved spelling correction in „Did you mean?” suggestions.
  • Searching across multiple sites in the same multisite installation.
  • Search and index user profiles.
  • Search and index taxonomy term pages (categories, tags, custom taxonomies).
  • Search and index arbitrary columns in wp_posts MySQL table.
  • Assign weights to any post types and taxonomies.
  • Assign extra weight to new posts.
  • Let the user choose between AND and OR searches, use + and – operator (AND and NOT).
  • Export and import settings.
  • WP CLI commands.
  • Related posts.
  • Redirects for searches.

Thanks

  • Cristian Damm for tag indexing, comment indexing, post/page exclusion and general helpfulness.
  • Marcus Dalgren for UTF-8 fixing.
  • Warren Tape for 2.5.5 fixes.
  • Mohib Ebrahim for relentless bug hunting.
  • John Calahan for extensive 4.0 beta testing.

Zrzuty ekranu

  • Overview page
  • Indexing settings
  • Searching settings
  • Logging settings
  • Excerpts and highlights
  • Synonym settings
  • Stopword settings

Instalacja

  1. Install the plugin from the WordPress plugin screen.
  2. Activate the plugin.
  3. Go to the plugin settings page and build the index following the instructions there.
  4. That’s it!

Relevanssi uses the standard search form and doesn’t usually need any changes in the search results template.

If the search does not bring any results, your theme probably has a query_posts() call in the search results template. That throws Relevanssi off. For more information, see The most important Relevanssi debugging trick.

Uninstalling

To uninstall the plugin remove the plugin using the normal WordPress plugin management tools (from the Plugins page, first Deactivate, then Delete). If you remove the plugin files manually, the database tables and options will remain.

Najczęściej zadawane pytania

Knowledge Base

You can find solutions and answers at the Relevanssi Knowledge Base.

Contextual help

Answers to many common problems can be found from the contextual menu. Just click „Help” in the top right corner of your WordPress admin dashboard on the Relevanssi settings page.

Relevanssi doesn’t work

If you the results don’t change after installing and activating Relevanssi, the most likely reason is that you have a call to query_posts() on your search results template. This confuses Relevanssi. Try removing the query_posts() call and see what happens.

Searching for words with ampersands or hyphens doesn’t work

Please read Words with punctuation can’t be found. This is a Relevanssi feature, but you can fix it from Relevanssi indexing settings.

Where are the user search logs?

See the top of the admin menu. There’s 'User searches’.

Displaying the relevance score

Relevanssi stores the relevance score it uses to sort results in the $post variable. Just add something like

echo $post->relevance_score

to your search results template inside a PHP code block to display the relevance score.

Did you mean? suggestions

Relevanssi offers Google-style „Did you mean?” suggestions. See „Did you mean” suggestions in the Knowledge Base for more details.

What is tf * idf weighing?

It’s the basic weighing scheme used in information retrieval. Tf stands for term frequency while idf is inverted document frequency. Term frequency is simply the number of times the term appears in a document, while document frequency is the number of documents in the database where the term appears.

Thus, the weight of the word for a document increases the more often it appears in the document and the less often it appears in other documents.

What are stop words?

Each document database is full of useless words. All the little words that appear in just about every document are completely useless for information retrieval purposes. Basically, their inverted document frequency is really low, so they never have much power in matching. Also, removing those words helps to make the index smaller and searching faster.

Recenzje

2022-04-11
Works exactly as expected, takes 2 mins to set up and excellent Support. Thank you so much for an excellent plugin.
2022-03-12
We used Relevanssi Premium to index about 3000PDFs (old newspapers) in wordpress and allow searching accross all these PDFs. It works awesomely, there's plenty of custom code in the documentation to tweek the search and the developper was very helpful with or questions. Thanks for making this project possible !
2022-01-07
I fond this when looking for a PDF search solution, and tend to use it everywhere now. A great plugin, both free and pro. Mikko's support is second to none, which is a great reassurance when setting the plugin up to do something complex.

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Rejestr zmian

4.16.0

  • New feature: Oxygen compatibility has been upgraded to support JSON data from Oxygen 4. This is still in early stages, so feedback from Oxygen users is welcome.
  • New feature: New filter hook relevanssi_oxygen_element is used to filter Oxygen JSON elements. The earlier relevanssi_oxygen_section_filters and relevanssi_oxygen_section_content filters are no longer used with Oxygen 4; this hook is the only way to filter Oxygen elements.
  • Changed behaviour: Relevanssi now applies remove_accents() to all strings. This is because default database collations do not care for accents and having accents may cause missing information in indexing. If you use a database collation that doesn’t ignore accents, make sure you disable this filter.
  • Minor fix: Relevanssi used the_category filter with too few parameters. The missing parameters have been added.
  • Minor fix: Stops drafts and pending posts from showing up in Relevanssi Live Ajax Searches.
  • Minor fix: Phrases weren’t used in some cases where a multiple-word phrase looked like a single-word phrase.
  • Minor fix: Prevents fatal errors from relevanssi_strip_all_tags().

4.15.2

  • New feature: New filter hook relevanssi_didyoumean_token lets you filter Did you mean words before correction. You can use this filter hook to exclude words from being corrected.
  • Minor fix: Phrase search couldn’t find phrases that include an ampersand if they matched the post title. This works now.
  • Minor fix: Relevanssi now adds spaces after table cell tags to avoid table cell content sticking together in excerpts.
  • Minor fix: The 'Allowable tags in excerpts’ function now automatically corrects the entered value to match what Relevanssi expects the value to be.

4.15.1

  • Changed behaviour: Relevanssi now ignores WordPress metadata custom fields that aren’t interesting for Relevanssi indexing.
  • Changed behaviour: Both relevanssi_get_permalink() and relevanssi_the_permalink() now can take post ID or a post object as a parameter and can thus be used outside the Loop.
  • Changed behaviour: The relevanssi_hits_filter hook now gets the WP_Query object as the second parameter.
  • Minor fix: Avoid error messages for missing mysqlcolumn_matches array key.

4.15.0

  • New feature: The action hook relevanssi_init runs at the end of the relevanssi_init() function.
  • New feature: New filter hook relevanssi_author_query_filter filters the post author MySQL query.
  • New feature: New filter hook relevanssi_by_date_query_filter filters the by_date MySQL query.
  • New feature: New filter hook relevanssi_date_query_filter filters the date query MySQL query.
  • New feature: New filter hook relevanssi_parent_query_filter filters the post parent MySQL query.
  • New feature: New filter hook relevanssi_post_query_filter filters the post__in and post__not_in MySQL query.
  • New feature: New filter hook relevanssi_post_status_query_filter filters the post_status MySQL query.
  • New feature: New filter hook relevanssi_post_type_query_filter filters the post_type MySQL query.
  • Minor fix: The Bricks compatibility was improved, Relevanssi now notices changes to Bricks posts more often. Relevanssi also only reads the text from the _bricks_page_content_2 custom field.