Congratulations, it's a nice demo of the fact that you understand nearly nothing at what you do!

Articles like this are the worst thing you can do to help people.

Please, juste use Varnish next time.

Incredibly over-simplified, to the point that many sites can't take the steps offered, and it gives no explanation that would help them realize this or find out why.

The tl;dr: static files are faster and cheaper to serve than a fully-dynamic database-driven PHP site.

s/Serving/Benchmarking/