I came across a great article about what’s the best caching strategy for WordPress. It’s a run down of the top caching strategies for WordPress together with some pretty exhaustive testing and stats around which is best in which circumstance. Caching plugins are a pretty important strategy for making sure your site can scale. It’s not like you can give your site creatine powder to beef it up; these plugins are the best way to ensure your site keeps running regardless of whether it’s bombarded by hundreds or thousands of requests.

Read the post on WordPress caching and take what you can.