Sets up the user contact methods.

Outputs the viewport meta tag for the login page.

Performs WordPress automatic background updates.

Updates the count of sites for the current network.

Updates the network-wide users count.

This was once used to kick-off the Core Updater.

Updates the network-wide site count.

Updates the network-wide user count.

This was once used to kick-off the Plugin Updater.

This was once used to kick-off the Theme Updater.