Specify a cache validator for webp

Hi @sandeepchourasia,

Thank you for your message.

Do you have enabled Browser Caching for .webp files option on settings page of plugin Do you have mod_expires module enabled on your server?

The server settings are as follows :

erver Modules & Resources:
Plugin Version: 0.9.7.5
PHP Version: 7.2.18;
Web Server: Apache
FTP functions: Installed (required for Self-hosted (FTP) CDN support)
Multibyte String support: Installed (required for Rackspace Cloud Files support)
cURL extension: Installed (required for Amazon S3, Amazon CloudFront, Rackspace CloudFiles support)
zlib extension: Installed (required for gzip compression support)
brotli extension: Not installed (required for brotli compression support)
Opcode cache: PHP6
Memcached extension: Installed
Memcache extension: Not installed
Redis extension: Not installed
HTML Tidy extension: Installed (required for HTML Tidy minifier support)
Mime type detection: Installed (Fileinfo) (required for CDN support)
Hash function: Installed (hash) (required for NetDNA / MaxCDN CDN purge support)
Open basedir: Off
zlib output compression: Off
set_time_limit: Available
SSH2 extension: Not installed (required for Self-hosted (FTP) CDN SFTP support)
mod_deflate: Not installed (required for disk enhanced Page Cache and Browser Cache)
mod_env: Not installed (required for disk enhanced Page Cache and Browser Cache)
mod_expires: Installed (required for disk enhanced Page Cache and Browser Cache)
mod_filter: Not installed (required for disk enhanced Page Cache and Browser Cache)
mod_ext_filter: Not installed (required for disk enhanced Page Cache and Browser Cache)
mod_headers: Installed (required for disk enhanced Page Cache and Browser Cache)
mod_mime: Installed (required for disk enhanced Page Cache and Browser Cache)
mod_rewrite: Installed (required for disk enhanced Page Cache and Browser Cache)
mod_setenvif: Not installed (required for disk enhanced Page Cache and Browser Cache)
Additional Server Modules
New Relic
PHP version: Supported
Operating System: Supported
Web Server: Not Supported. (Apache See NewRelic Requirements page.)
WordPress Resources
/home/sunderba/public_html/.htaccess: OK
/home/sunderba/public_html/wp-content: OK
/home/sunderba/public_html/wp-content/uploads/2019/07: OK
Fancy permalinks: /%postname%/
WP_CACHE define: Defined (true)
URL rewrite: Enabled
Network mode: No

webp Settings :

List of supported files extensions
.jpg – Ticked
.jpeg – Ticked
.png – Ticked
.gif – Ticked
Conversion method
The configuration for advanced users.

GD (recommended) – Cross

Extra features
The options allow you to enable new functionalities that will additionally speed up your website.

Browser Caching for .webp files (saving images in browser cache memory)- – Ticked

Images quality
Adjust the quality of the images being converted. Remember that higher quality also means larger file sizes. The recommended value is 85%.

75%
80%
85%
90%
95%
100%
Save Changes

Hi @sandeepchourasia,

Please contact your hosting provider. I will tell you help. This is probably the issue of your hosting.