Dana Ross

Dave’s WordPress Live Search adds “live search” functionality to your WordPress site. As visitors type words into your WordPress site’s search box, the plugin continually queries WordPress, looking for search results that match what the user has typed so far.
The <a href="http://ajaxpatterns.org/Live_Search" rel="nofollow ugc">live search</a> technique means that most people will find the results they are looking for before they finish typing their query, and it saves them the step of having to click a submit button to get their search results.
This functionality requires Javascript, but the search box still works normally if Javascript is not available.
http://www.youtube.com/watch?v=7CGR2bJ1mLM 
<a href="https://plugins.svn.wordpress.org/daves-wordpress-live-search/assets/intro_video_transcript.txt" rel="nofollow ugc">transcript</a>
This plugin is compatible with the <a href="https://wordpress.org/extend/plugins/xlanguage/" rel="ugc">xLanguage</a> and <a href="http://wpml.org/" rel="nofollow ugc">WPML</a> plugins for internationalization (i18n) of search results.
<h3>Filters</h3>
See <a href="https://plugins.svn.wordpress.org/daves-wordpress-live-search/trunk/filter_examples.php" rel="nofollow ugc">filter_examples.php</a> in 
the plugin files for examples of how to use these filters. Remember, these filters only affect the 
Dave’s WordPress Live Search display, not the normal WordPress search results or the posts themselves.
<ol>
<li>dwls_alter_results</li>
<li>dwls_attachment_thumbnail</li>
<li>dwls_post_title</li>
<li>dwls_the_excerpt</li>
<li>dwls_post_date</li>
<li>dwls_author_name</li>
<li>dwls_alter_result_template</li>
<li>dwls_post_custom</li>
<li>dwls_query_fields</li>
</ol>
<h3>Wish List</h3>
Features I want to implement in future releases:
<ol>
<li>“No results found” message (optional)</li>
</ol>

Dave's WordPress Live Search

At first, this seems like a good plugin and it is. I tried to report a bug a couple of months ago and, despite the fact the plugin says it's compatible with the latest version of WordPress, there seems to be bugs that are not addressed. At this point, I had to hack the plugin and edit source code to make it work.

Unmaintained plugin

You do a great job

Adds "live search" functionality to your WordPress site. Uses the built-in search and jQuery.

Marius

Your E-Commerce Search Plugin
Instant Search is a WordPress plugin that offers both live search (typing) and live voice search, which is great for accessibility. After you install and activate the plugin, you’ll find a new icon in your Dashboard. Click <a href="https://instant-search.net/wp-content/uploads/2024/05/icon-settings.png" rel="nofollow ugc">this icon</a> to access the settings page.
It works great with online shops.
Use the shortcode <code>[instant_search]</code> to display a search form anywhere.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/Zui-0LBq6Lc?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
Tests: 
Test <a href="https://instant-search.net/live-voice-search/" rel="nofollow ugc">live voice search</a> and <a href="https://instant-search.net/live-search/" rel="nofollow ugc">live search</a>.
Features:
⭐ Live voice search 
⭐ Live search 
⭐ Analytics 
⭐ Enable/disable voice search 
⭐ Two search methods: inline & overlay 
⭐ Search by SKU in WooCommerce 
⭐ Return search results from all registered post types 
⭐ Display live search results in a grid 
⭐ Display live search results in a list 
⭐ Customize the text 
⭐ Customize the width
<h3>Dev Notes</h3>
Everything is free, so enjoy!
<h3>Contributors</h3>
Marincas Marius Mugurel – www.marincas.net

Instant Search

A WordPress search plugin with live and voice search.

Dave's WordPress Live Search vs Instant Search