webp: NGINX WebP module

Debian/Ubuntu installation

These docs apply to the APT package nginx-module-webp provided by the GetPageSpeed Extras repository.

1. Configure the APT repository as described in APT repository setup.
2. Install the module:

sudo apt-get update
sudo apt-get install nginx-module-webp

Warning

This module is not yet published as nginx-module-webp in the APT repositories. Stay tuned, or email [email protected] to request it.

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ngx_webp

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

Status

Under development. To be continued.

Configuration directives

webp

• syntax: webp
• context: location

Enables or disables module.

Example

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

Notice

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