The first time I got a front page link to my site on HN, it did this exact same thing, which prompted me to move away from Wordpress. Static HTML ever since. But to comment on the article, I think this is a fantastic idea. I do wonder though how he found so many enthusiastic people. Maybe it's just a new era, but I have a hard time finding people who even want to do a 1 hour coding challenge. He got these folks who w…
1. Use the Wordpress supercache plugin.
2. Put Apache behind Nginx, and limit the number of Apache processes to ~6. This way you're effectively using Apache as a "PHP app server", simulating an architecture similar to Passenger/Unicorn. Nginx acts only as a buffering reverse proxy, shielding Apache from slow clients.
Why this instead of running Wordpress/PHP through Nginx using php-fpm? It's because Apache is just easier: mod_rewrite rules work automatically, etc.