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HTTP2 was officially released in 2015. If your website is still using HTTP/1.1, you may be out of date. Don't worry, here we will see how to use Nginx to upgrade your website to HTTP2.

Install Nginx

I feel that this column is redundant. Since we are talking about using Nginx to configure HTTP2, of course we must install Nginx. And Nginx installation is everywhere. So here we will not talk about how to install Nginx in detail. We will only talk about two specific points.

First of all, the version of Nginx cannot be lower than Nginx 1.10. Then, the default compiled Nginx does not include the h2 module, so we need to add parameters to compile it.

$ ./configure --with-http_v2_module
# 然后就是编译安装了
$ make && make install

HTTP2 needs to be used together with HTTPS . Therefore, openssl support is required. The openssl version here also has requirements. The minimum requirement is 1.0.2. If it is not met, you have to manually download openssl and then use –with-openssl to specify the openssl directory when compiling.

Configure Nginx

Here, without further ado, let's go straight to the configuration

server {
        listen          443 ssl http2;
        listen          [::]:443 ssl http2;
        server_name     www.jiyik.com jiyik.com;

        ssl_certificate /certificates/www.jiyik.com/fullchain.pem;
        ssl_certificate_key /certificates/www.jiyik.com/privkey.pem;
        ssl_trusted_certificate /certificates/www.jiyik.com/fullchain.pem;

        ssl_session_timeout 1d;
        ssl_session_cache shared:SSL:50m;
        ssl_session_tickets off;

Some of the configuration items are shown here, and the rest can be supplemented online.

Check if HTTP2 is supported

After completing the above configuration, restart Nginx. Then visit our website and check whether HTTP2 is supported through the developer tools of the Chrome browser.

Here is a Chrome extension HTTP/2 and SPDY indicator that can be used to check whether HTTP2 is supported.

The results are as follows

Recommended reading: HTTP2 Tutorial - The Past and Present of HTTP2   and HTTP2 Tutorial - Functional Upgrade of HTTP2