WordPress cache enabler plugin

.htaccess

# BEGIN Cache Enabler
#
# This version is meant for Apache 2.3.9 or later.
#
# Reference: https://www.keycdn.com/support/wordpress-cache-enabler-plugin#apache
<IfModule mod_rewrite.c>
	RewriteEngine On
	RewriteBase /

	# set blog sub path
	SetEnvIf Request_URI "^(.*)$" SUB_PATH=/wp-content/cache/cache-enabler/

	# set Cache Enabler path
	SetEnvIf Request_URI "^(.*)$" CE_PATH=$1
	SetEnvIf Request_URI "^(/)index.php$" CE_PATH=$1

	<IfModule mod_mime.c>
		# webp HTML file
		RewriteCond %{ENV:CE_PATH} /$
		RewriteCond %{ENV:CE_PATH} !^/wp-admin/.*
		RewriteCond %{REQUEST_METHOD} !=POST
		RewriteCond %{QUERY_STRING} =""
		RewriteCond %{HTTP_COOKIE} !(wp-postpass|wordpress_logged_in|comment_author)_
		RewriteCond %{HTTP:Accept-Encoding} gzip
		RewriteCond %{HTTP:Accept} image/webp
		RewriteCond %{DOCUMENT_ROOT}%{ENV:SUB_PATH}%{HTTP_HOST}%{ENV:CE_PATH}index-webp.html.gz -f
		RewriteRule ^(.*) %{ENV:SUB_PATH}%{HTTP_HOST}%{ENV:CE_PATH}index-webp.html.gz [L]

		# gzip HTML file
		RewriteCond %{ENV:CE_PATH} /$
		RewriteCond %{ENV:CE_PATH} !^/wp-admin/.*
		RewriteCond %{REQUEST_METHOD} !=POST
		RewriteCond %{QUERY_STRING} =""
		RewriteCond %{HTTP_COOKIE} !(wp-postpass|wordpress_logged_in|comment_author)_
		RewriteCond %{HTTP:Accept-Encoding} gzip
		RewriteCond %{DOCUMENT_ROOT}%{ENV:SUB_PATH}%{HTTP_HOST}%{ENV:CE_PATH}index.html.gz -f
		RewriteRule ^(.*) %{ENV:SUB_PATH}%{HTTP_HOST}%{ENV:CE_PATH}index.html.gz [L]

		AddType text/html .gz
		AddEncoding gzip .gz
	</IfModule>

	# webp HTML file
	RewriteCond %{ENV:CE_PATH} /$
	RewriteCond %{ENV:CE_PATH} !^/wp-admin/.*
	RewriteCond %{REQUEST_METHOD} !=POST
	RewriteCond %{QUERY_STRING} =""
	RewriteCond %{HTTP_COOKIE} !(wp-postpass|wordpress_logged_in|comment_author)_
	RewriteCond %{HTTP:Accept} image/webp
	RewriteCond %{DOCUMENT_ROOT}%{ENV:SUB_PATH}%{HTTP_HOST}%{ENV:CE_PATH}index-webp.html -f
	RewriteRule ^(.*) %{ENV:SUB_PATH}%{HTTP_HOST}%{ENV:CE_PATH}index-webp.html [L]

	# default HTML file
	RewriteCond %{ENV:CE_PATH} /$
	RewriteCond %{ENV:CE_PATH} !^/wp-admin/.*
	RewriteCond %{REQUEST_METHOD} !=POST
	RewriteCond %{QUERY_STRING} =""
	RewriteCond %{HTTP_COOKIE} !(wp-postpass|wordpress_logged_in|comment_author)_
	RewriteCond %{DOCUMENT_ROOT}%{ENV:SUB_PATH}%{HTTP_HOST}%{ENV:CE_PATH}index.html -f
	RewriteRule ^(.*) %{ENV:SUB_PATH}%{HTTP_HOST}%{ENV:CE_PATH}index.html [L]

	# wp override
	RewriteCond %{REQUEST_FILENAME} !-f
	RewriteCond %{REQUEST_FILENAME} !-d
	RewriteRule . /index.php [END]
</IfModule>

# END Cache Enabler