Cache

If you are running WordPress on a VPS or dedicated server, a quick way to optimize performance is to install a php opcode cache. To understand why, you need to first understand how php processes a request. A php request goes through the following steps: Read Parse Compile Execute Output For every WordPress page requested, the php engine must go through all 5 steps. A php opcode cache keeps the complied php code in memory, thereby eliminating the 1st 3 steps above....

If you are running WordPress on a VPS or dedicated server, you may want to install the nginx HTTP server to act as a proxy cache for WordPress. This is a guide for building nginx from source so that 2 modules can be added. The first module allows purging content from the proxy cache and the second module allows limiting the max concurrent requests to apache. This guide assumes you are running:...