Apache .httaccess WebP rewrite

.httaccess

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTP_ACCEPT} image/webp
    RewriteCond %{DOCUMENT_ROOT}/$1.webp -f
    # WordPress content directory only rule.
    # To rewrite all files remove `wp-content/` from regular expression below.
    RewriteRule ^(wp-content/.+)\.(jpe?g|png)$ $1.webp [T=image/webp,E=accept:1]
</IfModule>

AddType image/webp .webp