Code to hide Global Navigation

Place the following code in CEWP:

#zz1_TopNavigationMenu
{
display: none;
}
</style>

Code to Custom text in IE tab and Add Favourates of page

Place the following code in CEWP:

<asp:Content ContentPlaceHolderId="PlaceHolderPageTitle" runat="server">

            <SharePointWebControls:ListItemProperty Property="Title" runat="server"/>

(or some custom text)

</asp:Content>