Правильный htaccess с редиректом на https и редиректом с www
а так-же кеш файлов
поменяйте sitename на название вашего сайта
RewriteEngine On
RewriteBase /
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
RewriteCond %{HTTP_HOST} ^www\. [NC]
RewriteRule ^(.*)$ https://sitename.ru/$1 [R=301,L]
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} ^(.+)/$
RewriteRule ^(.+)/$ /$1 [R=301,L]
ExpiresActive on
ExpiresDefault "access plus 1 days"
ExpiresByType application/javascript "access plus 1 days"
ExpiresByType text/javascript "access plus 1 days"
ExpiresByType text/css "access plus 1 days"
ExpiresByType text/html "access plus 1 days"
ExpiresByType text/x-javascript "access plus 1 days"
ExpiresByType image/gif "access plus 1 days"
ExpiresByType image/jpeg "access plus 1 days"
ExpiresByType image/png "access plus 1 days"
ExpiresByType image/jpg "access plus 1 days"
ExpiresByType image/x-icon "access plus 1 days"
ExpiresByType application/x-shockwave-flash "access plus 1 days"
<FilesMatch ".(flv|gif|jpg|jpeg|png|ico|swf|js|css|pdf|doc|docx)$">
Header set Cache-Control "max-age=86400"
</FilesMatch>
AddDefaultCharset utf-8
AddType 'text/html; charset=utf-8' .html .htm .shtml
