RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^(.*)$ $1.php
site.ru. 3600 A (адрес Internet v4) 5.45.124.164
www.site.ru. 3600 A (адрес Internet v4) 5.45.124.164
<link rel="icon" type="image/png" href="http://path/to/logo.png">