Website search functionality has been observed to be trending up rapidly over the last few years. Site search has a critical importance in regards to user experience and customer engagement. Internet users have become so dependable on search, that it will be almost unreasonable to forget including search functionality on your website. Several site visitors hit the search bar first without even navigating the menu.

Adding an efficient onsite search box not only engages visitor and decrease bounce rate but benefits administrator in terms of conversion and analytics. The analysis of user data helps in understanding user behavior and needs, and eventually leads to an increase in conversion.

Realizing the effectiveness, wordpress developers have been integrating site search option to add value to the themes. Here are the top 10 wordpress themes with remarkable site search built-in functionality.
Business Directory

The Business Directory WordpPress theme is created by Templatic with elegant design to give your site visitors best user experience. The theme helps to create, manage and monetize a directory site for any businesses such as Car, Hotels, Restaurants, Properties, Travel Destinations and many more.

There are several built-in features that make it the most powerful Directory theme including Bulk data Import/Export, Add and manage classified, Additional custom fields, Google maps, Add/Manage users, Listing rating and review, User dashboard, Email notifications, Color customizer, Fonts and Integrated PayPal payment gateway. The search engine is quite impressive and displays Autocomplete results with toggle image option.

ShopPress

ShopPress is a responsive WordPress WooCommerce theme powered by GhostPool. The homepage is fully customizable and things can be easily move around as it is entirely based on shortcodes. The desired pages are created automatically on installation so products can be uploaded without any hassle.

Key features of ShopPress includes sleek & modern design, search box, shortcodes, 4 unique skins, SEO, translation ready, translation ready and option to create unlimited sidebars. The search bar integrated in the theme supports auto-complete results which is a good sign to engage users.
Socialize

Socialize is a feature rich multi-purpose WordPress theme to create a community or social network. BudyPress and BBPress plugins are built-in within the theme to allow creating a good looking social network and forum platform.

The theme has multiple layouts, AJAX filtering, Visual composer, Events calendar, Retina ready, Sticky sidebars, Translation ready, Portfolios, Profile link/notification counter, Social login and many more. Socialize uses the Redux Framework that allows customizing the site live using the WordPress Customizer.
Academy

Academy is an ideal theme for sharing and selling your knowledge online. It is developed by Themex to create a learning management system which can make online learning and teaching a lot easier. The theme has excellent features creating online courses, such as extended user profiles, rating system, questions system, file attachments, tracking course progress and many more.

User profile allows users to register, login, upload avatar, reset password, subscribe to the courses and track their performance. Academy has a powerful backend panel to change fonts, colors, backgrounds, slider settings, switch between page layouts, create sidebars, edit contact form fields and more.
Newspaper

Newspaper, created by tagDiv, well known for building unique news and magazine WordPress themes is another theme with excellent built-in search engine feature. Newspaper is an excellent theme for news, newspaper, magazine, publishing or review site which allows to write articles and blog posts with ease. The theme is integrated with bbPress Forum, BuddyPress, Buddy Press, and WooCommerce.

Newspaper also supports YouTube videos and powered with a built-in rating system and Video composer. The other features include unlimited sidebar, custom widgets, google fonts, responsive google Adsense, Ads support and more. Overall, the design is clean, appearance is elegant and the features are power packed.
Karma

Karma is a high selling theme on Themeforest. TrueThemes are the pride creator of Karma and many more efficient WordPress themes. The theme has supreme design, clean coding, SEO optimized, powerful admin panel, WooCommerce compatibility, advanced design options, 30+ color schemes, custom widgets and premium sliders.

Now talking about search functionality, Karma has an impressive search bar in the header and display results fast and accurately. Some other features include HD training videos, Form builder, RTL ready, ARIA accessibility and WPML compatible.
Modernize

Modernize is an elegantly designed WordPress theme. Page Builder is embedded to create page easily by drag-drop module, unlimited sidebars can be created with 15 predefined background patterns and over 350 fonts are available in the theme.

Moreover, Modernize comes with a featured Admin panel, Gallery, Video tours, sliding search box, Built-in shortcodes, Built-in translator, WooCommerce, Image sliders, Social links in the header and Social sharing option for posts.
BLANCO

Blanco is a neat and clear E-commerce WordPress theme which is easily customizable to start selling your products. The theme is fully responsive and supports various languages and currencies to allow visitors to shop in their respective currency. The colors and background can be easily changed to match your logo.

Blanco provides various features such as powerful admin module, slideshow, new products display on homepage, extra links and blocks, navigation link, product scrollbar, social bookmarks and many more. The Admin panel is highly powered and allows to Enable/Disable product name, Zoom product images, Enable/Disable price attribute and Switch on/off the shopping cart. Moreover, the search box is placed at the footer with good appearance and function capability.
Albertino

This theme is an excellent solution for the professionals looking for a Science Research & technology WordPress theme. Albertino is a stylish and featured theme with creative search box to implement search engine functionality.

Albertino is a rich source of premium features including Responsive design, WPML and SEO ready and compatible with premium plugins like Revolution Slider, Essential Grid, PO Composer, Visual Composer, ThemeRex Donations.
Wellness

A superb theme in Health & Wellness niche, Wellness is a responsive or mobile friendly WordPress theme designed by BWThemes. The design is clean and eye catching. Wellness features 4 Homepage designs, various shortcodes to ease the customization, image slider and SEO optimization.

Theme customizer is another addition to allow unlimited color schemes to choose and is request ready. The pre-designed form is attractive and various social media platforms are integrated in the header of the theme. Moreover, search feature is cool and efficient though lacks auto-complete functionality.