Get cleaner and SEO friendly URLs for your WordPress search like /search/coding+tips instead of /?s=coding+tips
This plugin makes the url for the search results page look like https://site.com/search/keyword
Credit/Inspired by: Nice Search
Just upload your plugin in your WP dashboard and activate it. And if you want to change the search base, go to your Permalinks page and enter the one you want.
Go to your WordPress’s Admin Dashboard and click on Permalinks under Configuration. In the Optional section you can change your search base to whatever you want.