Caching and The Web: One Site's Optimal Pattern is Another App's Slough
Caching Optimization Isn't One Size Fits All
Even though the Internet has become six orders of magnitude faster in the last twenty years, there’s no way to move information around the world any faster than about ⅕ second. That's where caching comes into play. And which caching technique you choose depends on your use case as the optimum caching for a repeated-use application is at odds with the optimimum technique for marketing sites.