HTTP/2 is a new version of the protocol powering the world wide web. It offers some great improvements over the older version. If you are unsure if your installation of WordPress already runs on HTTP/2 then your can use this online HTTP/2 checker service.
WordPress is a Content Management System (CMS) that powers over a quarter of the web according to some estimates. At this scale the improvements offered by the new version of the protocol become very significant. WordPress itself does not handle HTTP traffic and you can’t get an upgrade to HTTP/2 by upgrading your WordPress installation.
To enable WordPress to serve HTTP/2 then you’ll need to have a web server that supports it. Popular web servers like Apache and Nginx already do this in their latest versions, but it’s not yet on by default. In addition to a compatible server you’ll also need an SSL certificate. There is a thriving business in providing certificates, but now there is also a free option that should boost the adoption of HTTP/2.
Learn more on what HTTP/2 is and how it improves the web for all of us by reading these articles on HTTP/2. The next time your WordPress provider talks about hosting, make sure to check that the new server will
HTTP/2 on your WordPress site means a better user experience, improved performance and less strain on planet earth.