What is the Yoast SEO add-on
The Yoast SEO add-on is an extension that allows you to use some of it’s features with WPSOLR search. It can change the search and filters url to use a certain permalink and stop search engines (or enable) from indexing the search page for example. The add-on can also add title and description metas to search and filter pages.
Install the Yoast SEO plugin
Install the Yoast SEO plugin then activate it.
Activate the Yoast SEO extension
Go to “Activate extensions” in the WPSOLR plugin and click on Activate the Yoast SEO extension. To finish the rest of the configuration, click on the SEO add-on documentation. If you want a more detailed explanation you can watch this video: