RewriteEngine On
RewriteCond %{HTTP_ACCEPT} image/webp
RewriteCond %{REQUEST_FILENAME} (.*)\.(jpe?g|png|gif)$
RewriteCond %{REQUEST_FILENAME}\.webp -f
RewriteCond %{QUERY_STRING} !type=original
RewriteRule (.+)\.(jpe?g|png|gif)$ %{REQUEST_URI}.webp [T=image/webp,L]



Header append Vary Accept


AddType image/webp .webp

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