Every website is different and requires different performance optimization techniques to receive good scores on Google Page Speed Insights, GTmetrix, or Pingdom. Every site I work on will receive their own custom optimization plan. But some common techniques I use to optimize websites are the following: - CDN Integration Before I begin work with anyone, I perform a once over of their site and get a general idea of what optimization needs to be done. Most work can be turned around in one to two days.