On its surface, this pillar is all about speed. It's a well-known fact that website performance has a huge impact on user adoption. Just a few milliseconds can be the difference between a happy user and someone who abandons your site for a competitor.
But the performance efficiency pillar of the Well-Architected Framework goes further than that. It covers the efficient use of computing resources, and how to keep your systems performing at their best as the technology landscape changes and as user demand fluctuates. This pillar is closely related to cost optimization because, in some cases, it's possible to be over-provisioned and paying for resources that you don't need. An efficient system does not necessarily have ...
