webp: NGINX WebP module

Installation

You can install this module in any RHEL-based distribution, including, but not limited to:

yum -y install https://extras.getpagespeed.com/release-latest.rpm
yum -y install nginx-module-webp

Enable the module by adding the following at the top of /etc/nginx/nginx.conf:

load_module modules/ngx_http_webp_module.so;

This document describes nginx-module-webp v0.1.1.5 released on Dec 30 2019.

Webp is new (and smaller) image format. This module will convert jpg/png image on fly and send webp response.

Under development. To be continued.

Enables or disables module.

location ~ ".jpg" { webp; }

$ curl -SLIXGET -H "accept:image/webp" http://127.0.0.1/1.jpg

HTTP/1.1 200 OK

Server: nginx/1.13.12

Date: Wed, 25 Apr 2018 10:16:45 GMT

Content-Length: 223980

Last-Modified: Wed, 25 Apr 2018 10:16:45 GMT

Connection: keep-alive

Content-Type: image/webp

$ curl -SLIXGET -H "accept:image/*" http://127.0.0.1/1.jpg

HTTP/1.1 200 OK

Server: nginx/1.13.12

Date: Wed, 25 Apr 2018 10:17:53 GMT

Content-Length: 325991

Last-Modified: Wed, 18 Apr 2018 19:55:14 GMT

Connection: keep-alive

Content-Type: image/jpeg

As webp convertion takes some CPU usage I recommend to use some kind of caching of nginx responses, like Varnish.

You may find additional configuration tips and documentation for this module in the GitHub repository for nginx-module-webp.