Optimize PHP and Accelerate Apache
An anonymous reader writes "As the load on an application increases, the bottlenecks in the underlying infrastructure become more apparent in the form of slow response to user requests. This article discusses many of the server configuration items that can make or break an application's performance and focuses on steps you can take to optimize Apache and PHP."
I think it is yourself who needs to gain a bit of maturity. While your at it maybe you could learn to spot obvious jokes.