Optimising performance is a great win for any online business, however, it's an expensive and time-consuming process, in this talk I’m going to get you through some great tips to make performance wins in a cheap way, the talk includes some good examples that make enhancing performance very easy and takes less time than ever and patterns that you could catch in your own projects right after watching it.

Performance optimization is critical to delivering fast and seamless user experiences in the ever-evolving web development landscape. This talk delves into the innovative use of speculation rules to enhance web loading times and overall performance. Attendees will gain insights into the principles and mechanisms behind speculation rules, learn how they predict and pre-fetch resources, and explore real-world applications and case studies demonstrating their impact.

We are going to delve into the lesser-known areas of improvement that's essential for enhancing scalability and modularity. Additionally, he'll explore various tools and metrics used to measure application performance.