Aquí te dejo todo lo que necesitas saber sobre Htaccess
# 301 redirect nowww a www
RewriteEngine On
RewriteBase /
RewriteCond %{HTTPS} off
RewriteCond %{HTTP_HOST} !^www\.(.*)$ [NC]
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]
RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [R,L]
#Proteger htaccess
<Files ~ ì^.*\.([Hh][Tt][Aa])î>
order allow,deny
deny from all
satisfy all
</Files>
<IfModule mod_headers.c>
Header set X-XSS-Protection "1; mode=blockî
</IfModule>
<IfModule mod_headers.c>
Header set X-Content-Type-Options nosniff
</IfModule>
<IfModule mod_headers.c>
Header always append X-Frame-Options SAMEORIGIN
</IfModule>
#solo comentarios del sitio
RewriteEngine On
RewriteCond %{REQUEST_METHOD} POST
RewriteCond %{REQUEST_URI} .wp-comments-post.php*
RewriteCond %{HTTP_REFERER} !.*dominio.com.* [OR]
RewriteCond %{HTTP_USER_AGENT} ^$
RewriteRule (.*) ^http://%{REMOTE_ADDR}/$ [R=301,L]
#para wp-content
Order deny,allow
Deny from all
<Files ~ ".(xml|css|jpe?g|png|gif|js)$">
Allow from all
</Files>
# 1 MES
<FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|swf|js|xml|txt|css|woff)$">
Header set Cache-Control "max-age=2592000, public"
</FilesMatch>
# 1 SEMANA
<FilesMatch "\.(html|htm|php)$">
Header set Cache-Control "max-age=604800, public, must-revalidate"
</FilesMatch>
<IfModule mod_filter.c>
AddOutputFilterByType DEFLATE "application/atom+xml" \
"application/javascript" \
"application/json" \
"application/ld+json" \
"application/manifest+json" \
"application/rdf+xml" \
"application/rss+xml" \
"application/schema+json" \
"application/vnd.geo+json" \
"application/vnd.ms-fontobject" \
"application/x-font-ttf" \
"application/x-javascript" \
"application/x-web-app-manifest+json" \
"application/xhtml+xml" \
"application/xml" \
"font/eot" \
"font/opentype" \
"image/bmp" \
"image/svg+xml" \
"image/vnd.microsoft.icon" \
"image/x-icon" \
"text/cache-manifest" \
"text/css" \
"text/html" \
"text/javascript" \
"text/plain" \
"text/vcard" \
"text/vnd.rim.location.xloc" \
"text/vtt" \
"text/x-component" \
"text/x-cross-domain-policy" \
"text/xml"
</IfModule>
<IfModule mod_expires.c>
ExpiresActive on
ExpiresByType image/jpg "access plus 1 month"
ExpiresByType image/jpeg "access plus 1 month"
ExpiresByType image/gif "access plus 1 month"
ExpiresByType image/png "access plus 1 month"
</IfModule>

