Reducing web address info in address bar

I wondered if there is a way, perhaps some code for an .htaccess file, that means that the file name and any extra address info is not shown in the address bar. So with www.mywebsite.com/contact.htmll#anchorlink even if the page and anchor link had been clicked, only www.mywebsite.com/ or www.mywebsite.com appears in the address bar? I did try adding the below to .htaccess, but it did not work. Any suggestions? Thanks

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.html -f
RewriteRule ^(.*)$ $1.html