get_blog_count()WP 3.0.0

Gets the number of active sites on the installation.

The count is cached and updated twice daily. This is not a live count.

No Hooks.


Int. Number of active sites on the network.


get_blog_count( $network_id );
ID of the network.
Default: current network


Since 3.0.0 Introduced.
Since 3.7.0 The $network_id parameter has been deprecated.
Since 4.8.0 The $network_id parameter is now being used.

get_blog_count() code WP 6.5.4

function get_blog_count( $network_id = null ) {
	return get_network_option( $network_id, 'blog_count' );