How do I cache my WP Query?
Caching is a great way to help improve your site's page load time. We can achieve a lot of these caching goals through plugins and various server settings, but sometimes you need to get a little more granular for certain pages or features. If you have a large WP Query that is really slowing down a few of your pages, WordPress has some built-in functionality available to help improve those load times. If you take a look at the WordPress Codex page for WP Object Cache, you'll see their example highlighting just how simple it is: