With the Joomlatwork patch active, you could set the meta tags description and keywords within the Home link of your main menu. To move forward with the next item, save changes made in the Plugins option and go back to the main panel of sh404SEF. If you install sh404SEF, the meta tags description for your Home menu item doesn't work anymore as we let sh404SEF handle some of these items.
If you activate the meta handling option, you can set the options you want for your home page. Go to the Meta tags option and click on the link in the top right menu as shown in the following screenshot:
Just copy and paste the text you had inserted in your Global Configuration | SEO options.
You don't need to use the Robots tag for the home page as you want it indexed and followed. You only want to use the language tag if you write in a language other than English. So if you don't need them, why are they there? Simply because a large part of the screen layout used...