In this blog post, I share some findings from my exploration of HTTP Archive data. I discovered that a significant number of websites using manifest.json files are using the default configuration generated by Create React App. I plan to investigate this further and determine how prevalent default manifest files are across the web.
This post explores whether developers are actively addressing issues highlighted by Lighthouse performance audits. By analyzing HTTP Archive data and tracking Lighthouse scores over time, we aim to uncover potential improvements. While directly correlating specific fixes to Lighthouse test failures is challenging, we can investigate trends and infer the impact of Lighthouse on web development practices. A key consideration is the evolution of Lighthouse itself, such as changes to CPU performance calculations, which may affect the comparability of results over time.