Online HTTP/2 Checker
HTTP is the basic protocol that handles connections between a web server and your browser. The original protocol dates back to the late 1980s and even the most common version 1.1 dates back to 1999. In this time the web has changed and there is a new version known as HTTP/2.
To find out if your website supports it use this online tool for checking if your site site is HTTP/2 enabled.