Posts about golang

103 Early Hints in Go, or the new Way of How to Improve Performance of a Web Page written in Go

Since Go 1.19 we can use a new 103 (Early Hints) http status code when we create web applications. Let’s figure out how and when this could help us. We are going to create a simple golang web server that servers some html content. One html page will be served with 103 header and another one without. After loading comparison we will see how early hints can improve page performance.