Server

www有り無しの統一

無しに統一

RewriteEngine on
RewriteCond %{HTTP_HOST} ^www\.example\.com
RewriteRule (.*) http://example.com/$1 [R=301,L]

httpをhttpsへリダイレクト

RewriteEngine on
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://example.com$1 [R=301,L]

ページのリダイレクト

RewriteEngine on
RewriteRule ^oldpage.html https://example.com/newpage [R=301,L]