Better WP Search
Better WP Search improves the default WordPress search functionality.
If there is only one search result, redirect to that post; and
Replaces search URL from /?s=query to /search/query.
HOW TO INSTALL
To manually install the Better WP Search plugin:
Upload `better-wp-search` directory to the `/wp-content/plugins/` directory.
Activate the plugin through the 'Plugins' menu in WordPress.
If you are installing the plugin through the admin panel:
Go to add new plugin page and search for Better WP Search.
Install the plugin and then activate the plugin.