fuzzysa

The Best Product Search For Your Store. Useful for helping users find product without having to know exactly product they’re looking for or how a product name is spelled
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Search by fuzzy criteria 
Find a product whose exact name the user does not know. Allows the user to make mistakes in words, break the order, or skip words in the search phrase.
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Search across a wide range of taxonomies 
Search can be done by Titles, Attributes, Tags, Categories, Description, Short Description, SKUs and even Meta fields.
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Smart Autocomplete 
Autocomplete, which can be built on the basis of categories, brands, search history or predictions, makes it possible to offer the user popular products even before the start of the search.
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Ajax search 
Product filtering and displaying results in a browser will be run in the background without full page reload.
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One-click search box replacement for most themes 
In most cases, it is enough to activate one option, and the plugin will replace your standard search field automatically. This already works for a large number of themes, and we are constantly expanding the list of supported themes.
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Customizable search field 
A wide range of options is available that allows you to change not only the appearance but also the functionality of the search field.
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Today’s customers expect to find what they want fast. If they can’t, they bounce — and that bounce rate kills your SEO performance. A powerful product search plugin not only gives your users a smoother experience, it also keeps them engaged longer, lowers bounce rates, and increases your chances of conversion. All of these directly impact your organic rankings and paid campaign success.
Pros: 
✅ Boosts Conversions: When shoppers can instantly find products, they buy faster. 
✅ SEO Wins: Better user engagement = longer sessions = better Google rankings. 
✅ Smarter Merchandising: Highlight high-margin, trending, or seasonal products easily. 
✅ Better UX on Mobile: Optimized search ensures mobile users stay and shop. 
✅ Data-Driven Marketing: Top plugins provide search analytics, giving you insights into what your customers really want.
Cons: 
⚠️ Potential Site Speed Issues: Cheap or bloated plugins can slow your site down — choose wisely. 
⚠️ Setup Time: Proper configuration is key to getting the full SEO benefits. 
⚠️ Premium Pricing: The free versions are good, but serious stores will eventually need a paid upgrade.

Advanced Fuzzy Product Search for WooCommerce

Powerful product search plugin with search suggestions to make the search process easy. WooCommerce products search in the shortest possible time.

Custom4Web

Search Manager Lite — free plugin that allows you to enhance your WordPress and WooCommerce search with the ability to search by extra fields such as comments, excerpt, SKU etc.
<h4>WordPress Search Settings</h4>
<ul>
<li>Search by Excerpts</li>
<li>Search by Post Comments</li>
<li>Search by Post Tags</li>
<li>Search by Post Categories</li>
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These settings will be applied to the default WordPress search.
<h4>WooCommerce Search Settings</h4>
<ul>
<li>Search by Short Description</li>
<li>Search by Product Comments</li>
<li>Search by SKU</li>
<li>Search by Product Tags</li>
<li>Search by Product Categories</li>
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These settings will be applied to the WooCommerce search only.
<h4>Plugin Website</h4>
<a href="http://searchmanagerwp.com/?utm_campaign=search-manager-in-site&utm_medium=content-link&utm_source=wordpress.org" rel="nofollow ugc">SearchManagerWP.com</a> is an official homepage for this plugin.
<h4>Go Premium</h4>
Premium version of this plugin allows you to track search terms and create redirects for them if needed. 
<a href="http://codecanyon.net/item/search-manager-plugin-for-woocommerce-and-wordpress/15589890?ref=teamdev-ltd" rel="nofollow ugc">Go premium here-></a>

Search Manager Lite

Search Manager Lite allows you to enhance WordPress and WooCommerce search with the ability to search by extra fields like comments, excerpt, SKU etc.

Advanced Fuzzy Product Search for WooCommerce vs Search Manager Lite