PageSpeed Insights offers some WordPress specific advice on this web site with a 9.5s TTFB:

> Choose a lightweight theme (ideally a block theme) and implement full-page caching or a static site solution. Disable unnecessary plugins to minimize server overhead. Consider upgrading your hosting to managed or dedicated service.

Choose a lightweight theme (ideally a block theme) and implement full-page caching or a static site solution. Disable unnecessary plugins to minimize server overhead. Consider upgrading your hosting to managed or dedicated service. stealmytesla.com 1st party 9,510 ms