#HTTP_Header


How to fix “Specify a Vary: Accept-Encoding Header” warning?

While optimizing your website for website performance using tools (ex. GTmetrix), you’ll run into a “specify a vary: accept-encoding header” warning. What exactly does this mean? How can we fix this? In this tutorial, we’ll learn what’s the error and how we are going to resolve the issue. What is this warning? Accept-encoding header is […]