
WebP support for WordPress
| Author: | Alex Alouit (profile at wordpress.org) |
| WordPress version required: | 3.0.1 |
| WordPress version tested: | 5.3.8 |
| Plugin version: | 1.0 |
| Added to WordPress repository: | 28-03-2020 |
| Last updated: | 28-03-2020
Warning! This plugin has not been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.
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| Rating, %: | 0 |
| Rated by: | 0 |
| Plugin URI: | http://alex.alouit.fr/#wpwebpnative |
| Total downloads: | 1 011 |
| Active installs: | 10+ |

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This module provide a reliable webp solution, without configuration.
Supported file formats are JPEG and PNG up to 8 megabytes.
Module look for compatible media images, sends them to an API which is convert them.
They are saved next to the original file.
When a visitor is on your site, “HTML Transformation” function take care to provide the WebP version.
This function can be disabled because some web server takes care of presenting the file themselves.
Screenshots

Exemple

General configure
FAQ
Does it support non-WebP browser like Safari?
Yes, this is supported when using the html transformation function.
Does I need a PHP specific module?
No, you don’t.
The compression is done on several remote servers.
What is HTML modification?
This is the process of modifying the final HTML content of your page,
it will verify that the images are available in WebP format so that the client is WebP compatible.
If these last two cases are valid, the content will be update to present the image in WebP format.
How use Apache rule
Disable HTML transformation on module configuration page
add to .htaccess:
<IfModule mod_setenvif.c>
SetEnvIf Request_URI "\.(jpe?g|png)$" REQUEST_image
</IfModule>
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_ACCEPT} image/webp
RewriteCond %{DOCUMENT_ROOT}/$1.webp -f
RewriteRule (.+)\.(jpe?g|png)$ $1.webp [T=image/webp]
</IfModule>
<IfModule mod_headers.c>
Header append Vary Accept env=REQUEST_image
</IfModule>
<IfModule mod_mime.c>
AddType image/webp .webp
</IfModule>
How use Nginx rule
Disable HTML transformation on module configuration page
Add to /etc/nginx/conf.d/webp.conf:
map $http_accept $webp_suffix {
default "";
"~*webp" ".webp";
}
Add to your vhost file:
location ~ \.(png|jpe?g)$ {
add_header Vary "Accept-Encoding";
try_files $uri$webp_suffix $uri =404;
}
ChangeLog