@bwooster47 Thanks for your reply.
We wouldn’t expect high amounts of resource usage caused by the SEO data optimization process on a small site.
If you are encountering an issue with high resource usage from the plugin, can you please go to Yoast SEO->General->Features and disable the following features to check whether one of these is causing the CPU usage and/or performance issue?:
If after disabling these features you are still experiencing the issue, this may also be caused by a plugin or theme conflict. Just to be sure, we would like to rule out any plugin or theme conflicts that may occur. The fastest way to do this is to deactivate all non-Yoast plugins and switch to a standard theme like TwentyTwenty.
Test this on your development or staging site, if you have one. If not, we recommend using the Health Check & Troubleshooting plugin. This plugin allows you to run a conflict check without affecting normal visitors to your site.As we can imagine that you’re unfamiliar with checking for conflicts, we’d like to point you to a step-by-step guide that will walk you through the process here: https://yoast.com/help/how-to-check-for-plugin-conflicts/
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?Can you please try the aforementioned suggestions and let us know whether this resolves the issue for you?