Google also offers PageSpeed Insights for detailed performance testing. Google Chrome DevTools can also help developers in assessing their site's performance; the Network tab shows all HTTP requests, how large the requested assets are, and how long requests take before they're fulfilled.In 2006, Amazon reported that for every 100 milliseconds they speed up their website, they see a 1% increase in revenue. Then Google announced, in an effort to website load time speed up improve the web, that page speed was a consideration in how they rank search results.Since then, there’ve been no shortages of case studies showing the benefits of having a fast site. In this guide, I’ve tried to pull together everything that will enable you to improve your website’s loading speed. For a bit of fun, I also decided to test everything in this post on this site to see what impact it had.First of all, how fast is fast enough? Optimising your page speed can be a hedonic process, kind of like running on a treadmill. There will forever be room for improvement, so when should we be satisfied?