Turning on any kind of performance monitoring can help. They usually have ones for every platform. For the web, for example, I used YSlow in the past, but there

Turning on any kind of performance monitoring can help. They usually have ones for every platform. For the web, for example, I used YSlow in the past, but there are several alternatives: https://alternativeto.net/software/yahoo-yslow/ https://alternativeto.net/software/yahoo-yslow/