HTTP/2 is an HTTP version that makes applications faster, simpler, and more robust in comparison with HTTP/1. To be able to use HTTP/2 you need to set up the connection through HTTPS. To make your website support HTTPS, enable the option Secure connection (SSL) on the website creation or edit form. For more information refer to the article Add a website.
HTTP/2 support is also available if the OpenLiteSpeed web server is installed. In this case, support is enabled automatically.
HTTP/2 is supported only:
Complete the following steps: