If you try one of the ftp programs we suggested,
you will find is easier to publish
You set up the program with your publish settings once
including public_html as the remote folder to publish to
Then in the future you just connect and are looking inside the public_html folder in one window
and your site on your computer in the other window.
Just control click several files to mark them
and drag them to the site.
Quick and easy.
Use control-F5 to reload a page, not F6.
This will force a reload of the page.