Strattic will acclerate your WordPress website’s speed without having to rebuild your site. Generate static & headless websites with Strattic’s powerful tools – in just a few clicks. 24-hour Support. Scalability & Speed. Scalable sites. Static Security.
Is this still popular? I remember a lot of static conversion tools coming out a few years back, but then they seemed to fade away. I think headless WP is a very very niche approach.