WordPress search engine based on Lucene. Sounds pretty solid.
#search
Changing MySQL FULLTEXT word length
Changing MySQL FULLTEXT word length
Details on how to reduce (or increase) the minimum length of a word that MySQL’s FULLTEXT index type will recognize.
Designing Search Checklist
A good little checklist of things to remember/take into account when designing what a search results page should look like/include.
Search Analytics: Site search analytics workshop slides
Search Analytics: Site search analytics workshop slides
Presentation on site search analytics and how to implement them, why they’re useful etc.
One Search WPMU Plugin | Experiments & Expressions
One Search WPMU Plugin | Experiments & Expressions
“This is a search plugin for WordPress MU (WPMU) that enables the default search box to search across all WPMU blogs.” Uses MySQL Views instead of some weird data compilation process.
Search Reloaded
WordPress plugin that just adds fulltext indexing to try to improve the built in search system.
Search Meter: a WordPress plugin
Search Meter: a WordPress plugin
Simple search log analysis for WordPress, part of a better search experience.
Search Excerpt WordPress Plugin
Search Excerpt WordPress Plugin
Gives you an excerpt from matches on the search engine in WP. Highlights the words you searched for so that you can give better feedback to users.
WordPress Advanced Search
Plugin for WP from an open source consulting firm that offers some more powerful options for the default search system.
Urban Giraffe WordPress Plugins
Urban Giraffe WordPress Plugins
Some good plugins for WordPress.