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Plugin’s documentation: https://wdvillage.com/wdv-ajax-search/
ATTENTION! After updating to version 1.0.3, you need to open the plugin properties and click on the “Add / Edit Settings” button for each of the shortcodes you created and click on the “Save” button in the modal window that opens. If this is your first time installing this plugin, then just follow the documentation.
DESCRIPTION 
WDV Ajax Search (WordPress plugin) – with this plugin you can create different search forms for different post types your site and put their shortcode on the corresponding page.
ADMIN PART 
You can create special search form for any post type. In table you can see shortcode for your search form. You can put shortcode on the corresponding page or you can use form shortcode on template (you can find how to do this in documentation).
FORM SETTINGS 
Now you press button “Add/Edit Settings” and choose settings that you need. On General options, in paragraph 1 – ” Search in custom post types” you can see list of all post types that exists on your site. Here you can choose post type. For example you want to make search form for searching in post type “wdvdocs”. 
In paragraph 2 – “Search by” you can choose – the search will be carried out only by post titles or by post titles and content. 
In paragraph 3 you can write that message will see your custome if there are not records found (for example – “No record found”). 
In paragraph 4 you can write how many search result show on one table page with search results.
On the tab “Image” you can choose whether to show images in search results. You can choose size of the pictures and select the default image which will be shown if post have no picture.
On the “Layout” tab you can choose how the search form will look like.
HOW TO USE 
You can add the shortcode directly to the page where you want to see the search form. For example, you installed the documentation plugin for your products. Perhaps it does not have a search form and you can add a shortcode to search for documents to the page that displays the list of documents.
You can also add a shortcode to the archive page or to the blog page.
If during the creation of the form on the tab “General -> Search by” the item “Title” was selected and the visitor can simply open the found pages. 
If during the creation of the form on the “General -> Search by” tab the item “Title & Content” was selected and the visitor opens any of the found pages – on this page the found search text will be highlighted in color.
REAL EXAMPLES 
– This page (aniro.wdvillage.com/services/) contains a service search form. Here the search is carried out by headings (you can use for example “book” as a search word): Services (When the search is carried out by headings, then when opening the found pages, the search word is not marked there.) 
– Here (aniro.wdvillage.com/blog/) you can see search form on blog page: Blog (you can use for example “room” as a search word). 
– This page (aniro.wdvillage.com/rooms/) contains a search form for the description of rooms. Here, the search is carried out by the titles and content of the page (you can use for example “bed” as a search word): Rooms (When the search is carried out by the titles and content of the page, then when you open the found pages, the search word there is highlighted in color.)
<h3>Sources and Credits</h3>
<ol>
<li>
jQuery.Finder.js 
Finder (https://www.jqueryscript.net/text/Search-Through-Text-Finder.html) is a jQuery plugin for web apps and hybrid mobile apps to replicate the “Find” feature available in browsers and other software via Ctrl+F. This is perfect for implementing in hybrid mobile apps, where the browser’s features are not available to the user, and for web apps where you need to constrain the “Find” function to a particular porton of the page (e.g., to exclude UI elements from the search). 
This plugin was created by [Danny McGee] (https://github.com/dannymcgee).
</li>
<li>
Icon Fonts: 
Font Awesome (https://fortawesome.github.io/Font-Awesome/)
</li>
</ol>

WDV Ajax Search

With this plugin you can create different search forms for different post types and put their shortcode on the corresponding page.

wpdreams

Ajax Search Lite is a live search plugin for WordPress. This responsive live search engine, which will boost your user experience by providing a user friendly ajax powered search form – a live search bar. You can filter the results with the category and post type filter boxes as well. Google autocomplete and keyword suggestions also included.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/qI2_iKK4n_4?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>
Very smooth animations with mobile device support and regular updates. Use Ajax Search Lite as a replacement for the default WordPress search with a better looking, more efficient search engine. 
Fine-tune the user experience by providing a powerful ajax search plugin to your visitors. Supports custom post types and custom fields and more. Boost your site search engine with this custom built live search engine.
<a href="https://ajaxsearchpro.com" rel="nofollow ugc">Home</a> | <a href="https://ajaxsearchpro.com/features" rel="nofollow ugc">Features</a> | <a href="https://documentation.ajaxsearchlite.com/" rel="nofollow ugc">Lite Docs</a> | <a href="https://documentation.ajaxsearchpro.com/" rel="nofollow ugc">Pro Docs</a>
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/tMde9nDQOEU?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>
Ajax Search Lite and Ajax Search Pro does not require monthly subscriptions, does not store your data on external servers – everything is done locally, on your server.
<h4>Features List</h4>
<ul>
<li>Search in posts and pages</li>
<li>Search in custom post types such as WooCommerce Products, Events, Portfolio items and more</li>
<li>Search in title, description, excerpt, categories and tags and any custom fields</li>
<li>Archive page live loader and filter</li>
<li>Automatic search replacement as well as widget and shortcode availalbe</li>
<li>Custom Filter boxes (checkbox filters) for categories and post types</li>
<li>WPML, Polylang and QtranslateX compatible</li>
<li>10+ built in templates + options for color adjustments</li>
<li>Retina ready vectorized SVG and CSS3 icons</li>
<li>Category and post exclusions</li>
<li>Frontend search settings boxes</li>
<li>Images in search results</li>
<li>Fully ajax powered</li>
<li>50+ options on the backend</li>
<li>Caches images for faster response time</li>
<li>Performance Options</li>
<li>Google analytics integration – both as Events and Pageviews</li>
<li>Primary and Secondary ordering options</li>
<li>Highly compatible and responsive</li>
</ul>
<h4>Support</h4>
Feel free to <a href="https://wordpress.org/support/plugin/ajax-search-lite/" rel="ugc">contact us</a> via the support forums.
<h4>In Pro version</h4>
<ul>
<li><a href="https://ajaxsearchpro.com" rel="nofollow ugc">Front-end demo</a> | <a href="https://ajaxsearchpro.com/try/" rel="nofollow ugc">Back-end demo</a></li>
<li>Create multiple search bars with different configurations</li>
<li>All page builders supported (Elementor, Divi, Oxygen, Breakdance, Gutenberg, Beaver etc..)</li>
<li>Search in Every custom post type</li>
<li>Search in <a href="https://ajaxsearchpro.com/file-search/" rel="nofollow ugc">Media Attachments and contents</a> (PDF, Excel, Word, PowerPoint etc..)</li>
<li>Search in BuddyPress activity feed, users and group names</li>
<li>Search in PeepSo Groups and Group Activities</li>
<li>Search result grouping by categories or post types</li>
<li>Search in custom fields including repeaters and special custom field taypes</li>
<li>Predictive search results suggestions</li>
<li>WooCommerce <a href="https://ajaxsearchpro.com/shop-search/" rel="nofollow ugc">Shop search and filter</a></li>
<li>Search and filter Elementor <a href="https://ajaxsearchpro.com/elementor-live-filter/" rel="nofollow ugc">Loop Grid</a> and <a href="https://ajaxsearchpro.com/jet-engine-listing-grid-filter/" rel="nofollow ugc">JetEngine Listing Grid</a></li>
<li>Advanced caching technology – image precaching, search phrase caching</li>
<li>Category filters, custom field filters, post type filters, tag filters, taxonomy term filters and date filters</li>
<li>Checkbox, Drop-down, Multiselect, Radio, Slider and Range slider filters</li>
<li>Results grouping by category, post type or content type</li>
<li><a href="https://ajaxsearchpro.com/load-more-infinite-scroll/" rel="nofollow ugc">Load more and Inifinite scroll</a></li>
<li>100+ Themes – Fully configurable and editable – with theme customizer & preview window</li>
<li>4 layouts: Vertical, Horizontal, Polaroid and Isotopic (with pagination)</li>
<li>400+ Admin options </li>
<li>Google keyword suggestions and autocomplete</li>
<li>Compatibility options and features</li>
<li>Caching options & Search statistics</li>
<li>Keyword Highlighting & more…</li>
<li>Highly compatible and responsive</li>
<li><a href="https://ajaxsearchpro.com/features/" rel="nofollow ugc">Full Features List</a></li>
</ul>
<h4>Testimonials</h4>
<blockquote>
“Beyond the live search, it also makes your search much more complete. You’ll be able to include custom fields, comments, and more in your search index.” – Ben Pines – Elementor
“Consider this plugin if you’re looking for a professional live search offering.” – Tom Ewer – WPMU Dev
“Ajax Search Pro plugin gives you a live Ajax search, so much comfortable search experience” – Dragan Nikolic – Thematosoup
“As the name suggests, the core value of Ajax Search Pro is the ability to add Ajax live search to WordPress.” – Colin Newcomer – aThemes
</blockquote>

Ajax Search Lite – Live Search & Filter

Awesome Support


A very solid plugin that offers a lot of useful features out of the box.  It's pro version however is even better. Great and quick support. Highly recommend.


A very solid plugin

The Best Ajax Live Search and Filter for WordPress. Live suggestions, Custom Post types, Custom fields, Categories, WooCommerce & Elementor support

WDV Ajax Search vs Ajax Search Lite – Live Search & Filter