diff --git a/connectors/class-connector-blogs.php b/connectors/class-connector-blogs.php
index a94b9161c..03e9ed5e7 100644
--- a/connectors/class-connector-blogs.php
+++ b/connectors/class-connector-blogs.php
@@ -24,7 +24,8 @@ class Connector_Blogs extends Connector {
 	 * @var array
 	 */
 	public $actions = array(
-		'wpmu_new_blog',
+		'wp_initialize_site',
+		'wp_delete_site',
 		'wpmu_activate_blog',
 		'wpmu_new_user',
 		'add_user_to_blog',
@@ -127,14 +128,16 @@ public function action_links( $links, $record ) {
 	}
 
 	/**
-	 * Blog created
+	 * Blog created.
 	 *
-	 * @action wpmu_new_blog
+	 * @action wp_initialize_site
 	 *
-	 * @param int $blog_id  Blog ID.
+	 * @param WP_Site $new_site  New site object.
+	 * @param array   $args      Arguments for the initialization.
 	 */
-	public function callback_wpmu_new_blog( $blog_id ) {
-		$blog = get_blog_details( $blog_id );
+	public function callback_wp_initialize_site( $new_site, $args ) {
+		$blogname = ! empty( $args['title'] ) ? $args['title'] : $new_site->blogname;
+		$blog_id  = $new_site->blog_id;
 
 		$this->log(
 			/* translators: %s: site name (e.g. "FooBar Blog") */
@@ -144,14 +147,42 @@ public function callback_wpmu_new_blog( $blog_id ) {
 				'stream'
 			),
 			array(
-				'site_name' => $blog->blogname,
+				'site_name' => ! empty( $blogname ) ? $blogname : 'Site %d',
+				'siteurl'   => $new_site->siteurl,
+				'id'        => $new_site->blog_id,
 			),
 			$blog_id,
-			sanitize_key( $blog->blogname ),
+			sanitize_key( $blogname ),
 			'created'
 		);
 	}
 
+	/**
+	 * A site has been deleted from the database.
+	 *
+	 * @action wp_deleted_site
+	 *
+	 * @param WP_Site $old_site  Deleted site object.
+	 */
+	public function callback_wp_delete_site( $old_site ) {
+		$this->log(
+			/* translators: %s: site name (e.g. "FooBar Blog") */
+			_x(
+				'"%s" site was deleted',
+				'1. Site name',
+				'stream'
+			),
+			array(
+				'site_name' => $old_site->blogname,
+				'siteurl'   => $old_site->siteurl,
+				'id'        => $old_site->blog_id,
+			),
+			$old_site->blog_id,
+			sanitize_key( $old_site->blogname ),
+			'deleted'
+		);
+	}
+
 	/**
 	 * Blog registered
 	 *
@@ -161,7 +192,7 @@ public function callback_wpmu_new_blog( $blog_id ) {
 	 * @param int $user_id  User ID.
 	 */
 	public function callback_wpmu_activate_blog( $blog_id, $user_id ) {
-		$blog = get_blog_details( $blog_id );
+		$blog = get_site( $blog_id );
 
 		$this->log(
 			/* translators: %s: site name (e.g. "FooBar Blog") */
@@ -172,6 +203,8 @@ public function callback_wpmu_activate_blog( $blog_id, $user_id ) {
 			),
 			array(
 				'site_name' => $blog->blogname,
+				'siteurl'   => $blog->siteurl,
+				'id'        => $blog->blog_id,
 			),
 			$blog_id,
 			sanitize_key( $blog->blogname ),
@@ -190,7 +223,7 @@ public function callback_wpmu_activate_blog( $blog_id, $user_id ) {
 	 * @param int    $blog_id  Blog ID.
 	 */
 	public function callback_add_user_to_blog( $user_id, $role, $blog_id ) {
-		$blog = get_blog_details( $blog_id );
+		$blog = get_site( $blog_id );
 		$user = get_user_by( 'id', $user_id );
 
 		if ( ! is_a( $user, 'WP_User' ) ) {
@@ -207,6 +240,8 @@ public function callback_add_user_to_blog( $user_id, $role, $blog_id ) {
 			array(
 				'user_name' => $user->display_name,
 				'site_name' => $blog->blogname,
+				'siteurl'   => $blog->siteurl,
+				'id'        => $blog->blog_id,
 				'role_name' => $role,
 			),
 			$blog_id,
@@ -224,7 +259,7 @@ public function callback_add_user_to_blog( $user_id, $role, $blog_id ) {
 	 * @param int $blog_id  Blog ID.
 	 */
 	public function callback_remove_user_from_blog( $user_id, $blog_id ) {
-		$blog = get_blog_details( $blog_id );
+		$blog = get_site( $blog_id );
 		$user = get_user_by( 'id', $user_id );
 
 		if ( ! is_a( $user, 'WP_User' ) ) {
@@ -241,6 +276,8 @@ public function callback_remove_user_from_blog( $user_id, $blog_id ) {
 			array(
 				'user_name' => $user->display_name,
 				'site_name' => $blog->blogname,
+				'siteurl'   => $blog->siteurl,
+				'id'        => $blog->blog_id,
 			),
 			$blog_id,
 			sanitize_key( $blog->blogname ),
@@ -322,7 +359,7 @@ public function callback_unarchive_blog( $blog_id ) {
 	 * @param int $blog_id  Blog ID.
 	 */
 	public function callback_make_delete_blog( $blog_id ) {
-		$this->callback_update_blog_status( $blog_id, esc_html__( 'deleted', 'stream' ), 'deleted' );
+		$this->callback_update_blog_status( $blog_id, esc_html__( 'trashed', 'stream' ), 'trashed' );
 	}
 
 	/**
@@ -333,7 +370,7 @@ public function callback_make_delete_blog( $blog_id ) {
 	 * @param int $blog_id  Blog ID.
 	 */
 	public function callback_make_undelete_blog( $blog_id ) {
-		$this->callback_update_blog_status( $blog_id, esc_html__( 'restored', 'stream' ), 'updated' );
+		$this->callback_update_blog_status( $blog_id, esc_html__( 'restored', 'stream' ), 'restored' );
 	}
 
 	/**
@@ -345,7 +382,7 @@ public function callback_make_undelete_blog( $blog_id ) {
 	 * @param string $value    Status flag.
 	 */
 	public function callback_update_blog_public( $blog_id, $value ) {
-		if ( $value ) {
+		if ( absint( $value ) ) {
 			$status = esc_html__( 'marked as public', 'stream' );
 		} else {
 			$status = esc_html__( 'marked as private', 'stream' );
@@ -364,8 +401,7 @@ public function callback_update_blog_public( $blog_id, $value ) {
 	 * @param string $action   Action.
 	 */
 	public function callback_update_blog_status( $blog_id, $status, $action ) {
-		$blog = get_blog_details( $blog_id );
-
+		$blog = get_site( $blog_id );
 		$this->log(
 			/* translators: %1$s: a site name, %2$s: a blog status (e.g. "FooBar Blog", "archived") */
 			_x(
@@ -375,6 +411,8 @@ public function callback_update_blog_status( $blog_id, $status, $action ) {
 			),
 			array(
 				'site_name' => $blog->blogname,
+				'siteurl'   => $blog->siteurl,
+				'id'        => $blog->blog_id,
 				'status'    => $status,
 			),
 			$blog_id,
diff --git a/tests/tests/connectors/test-class-connector-blogs.php b/tests/tests/connectors/test-class-connector-blogs.php
index aeac6eda6..690c229b4 100644
--- a/tests/tests/connectors/test-class-connector-blogs.php
+++ b/tests/tests/connectors/test-class-connector-blogs.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Tests for Blogs connector class callbacks.
+ * Tests for Blogs(multisite) connector class callbacks.
  *
  * @package WP_Stream
  */
@@ -15,11 +15,40 @@ class Test_WP_Stream_Connector_Blogs extends WP_StreamTestCase {
 	 */
 	protected $connector_blogs;
 
+	/**
+	 * Run before each test.
+	 */
 	public function setUp() {
 		parent::setUp();
 
-		$this->connector_blogs = new Connector_Blogs;
-		$this->assertNotEmpty( $this->connector_blogs );
+		if ( ! is_multisite() ) {
+			$this->markTestSkipped( 'This test requires multisite.' );
+		}
+
+		$this->plugin->connectors->unload_connector( 'blogs' );
+
+		// Add hook to provide mock blog details because sub-sites aren't
+		// created with an options table to use.
+		add_filter( 'site_details', array( $this, 'get_testsite_details' ) );
+
+		// Make partial of Connector_Blogs class, with mocked "log" function.
+		$this->mock = $this->getMockBuilder( Connector_Blogs::class )
+			->setMethods( array( 'log' ) )
+			->getMock();
+
+		// Register connector.
+		$this->mock->register();
+	}
+
+	public function get_testsite_details( $details ) {
+		global $base;
+
+		$details->blogname   = 'testsite';
+		$details->siteurl    = $base . '/testsite';
+		$details->post_count = 0;
+		$details->home       = $base . '/testsite';
+
+		return $details;
 	}
 
 	/**
@@ -28,13 +57,434 @@ public function setUp() {
 	 * @group ms-required
 	 */
 	public function test_get_context_labels() {
-		if ( ! is_multisite() ) {
-			$this->markTestSkipped( 'This test requires multisite.' );
-		}
 		// Validate this works for foreign characters as well.
-		$id = $this->factory->blog->create( array( 'title' => 'ובזכויותיהם' ) );
-		$labels = $this->connector_blogs->get_context_labels();
+		$id = self::factory()->blog->create( array( 'title'  => 'ובזכויותיהם' ) );
+		$labels = $this->mock->get_context_labels();
 		$this->assertArrayHasKey( 'blog-1', $labels );
 		$this->assertArrayHasKey( 'blog-' . $id, $labels );
 	}
+
+	public function test_callback_wp_initialize_site() {
+		// Expected log calls.
+		$this->mock->expects( $this->once() )
+			->method( 'log' )
+			->with(
+				$this->equalTo(
+					_x(
+						'"%s" site was created',
+						'1. Site name',
+						'stream'
+					)
+				),
+				$this->callback(
+					function( $meta ) {
+						$expected_meta = array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+						);
+
+						return $expected_meta === array_intersect_key( $expected_meta, $meta );
+					}
+				),
+				$this->greaterThan( 0 ),
+				$this->equalTo( 'testsite' ),
+				$this->equalTo( 'created' )
+			);
+
+		// Create new blog to trigger callback.
+		self::factory()->blog->create( array( 'title'  => 'testsite' ) );
+
+		// Check callback test action.
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_wp_initialize_site' ) );
+	}
+
+	public function test_callback_wp_delete_site() {
+		global $wpdb;
+
+		// Create site for later use.
+		$blog_id = self::factory()->blog->create( array( 'title'  => 'testsite' ) );
+
+		// Temporary tables will trigger DB errors when we attempt to reference them as new temporary tables.
+		$suppress = $wpdb->suppress_errors();
+
+		// Expected log calls.
+		$this->mock->expects( $this->once() )
+			->method( 'log' )
+			->with(
+				$this->equalTo(
+					_x(
+						'"%s" site was deleted',
+						'1. Site name',
+						'stream'
+					)
+				),
+				$this->equalTo(
+					array(
+						'site_name' => 'testsite',
+						'siteurl'   => '//testsite',
+						'id'        => $blog_id,
+					)
+				),
+				$this->greaterThan( 0 ),
+				$this->equalTo( 'testsite' ),
+				$this->equalTo( 'deleted' )
+			);
+
+		// Delete blog to trigger callback.
+		\wp_delete_site( $blog_id );
+		$wpdb->suppress_errors( $suppress );
+
+		// Check callback test action.
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_wp_delete_site' ) );
+	}
+
+	public function test_callback_wpmu_activate_blog() {
+		// Create site for later use.
+		$blog_id = self::factory()->blog->create( array( 'title'  => 'testsite' ) );
+
+		// Expected log calls.
+		$this->mock->expects( $this->once() )
+			->method( 'log' )
+			->with(
+				$this->equalTo(
+					_x(
+						'"%s" site was registered',
+						'1. Site name',
+						'stream'
+					)
+				),
+				$this->equalTo(
+					array(
+						'site_name' => 'testsite',
+						'siteurl'   => '//testsite',
+						'id'        => $blog_id,
+					)
+				),
+				$this->equalTo( $blog_id ),
+				$this->equalTo( 'testsite' ),
+				$this->equalTo( 'created' ),
+				1
+			);
+
+		// Activate blog to trigger callback.
+		do_action( 'wpmu_activate_blog', $blog_id, 1, 'password', 'testsite', array() );
+
+		// Check callback test action.
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_wpmu_activate_blog' ) );
+	}
+
+	public function test_callback_add_user_to_blog() {
+		// Create site and user for later use.
+		$blog_id = self::factory()->blog->create( array( 'title' => 'testsite' ) );
+		$user_id = self::factory()->user->create( array( 'display_name' => 'testuser' ) );
+
+		// Expected log calls.
+		$this->mock->expects( $this->once() )
+			->method( 'log' )
+			->with(
+				$this->equalTo(
+					_x(
+						'%1$s was added to the "%2$s" site with %3$s capabilities',
+						'1. User\'s name, 2. Site name, 3. Role',
+						'stream'
+					)
+				),
+				$this->equalTo(
+					array(
+						'user_name' => 'testuser',
+						'site_name' => 'testsite',
+						'siteurl'   => '//testsite',
+						'id'        => $blog_id,
+						'role_name' => 'subscriber',
+					)
+				),
+				$this->equalTo( $blog_id ),
+				$this->equalTo( 'testsite' ),
+				$this->equalTo( 'updated' )
+			);
+
+		// Add user to site to trigger callback.
+		add_user_to_blog( $blog_id, $user_id, 'subscriber' );
+
+		// Check callback test action.
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_add_user_to_blog' ) );
+	}
+
+	public function test_callback_remove_user_from_blog() {
+		// Create site and add user to site for later use.
+		$blog_id = self::factory()->blog->create( array( 'title' => 'testsite' ) );
+		$user_id = self::factory()->user->create( array( 'display_name' => 'testuser' ) );
+		add_user_to_blog( $blog_id, $user_id, 'subscriber' );
+
+		// Expected log calls.
+		$this->mock->expects( $this->once() )
+			->method( 'log' )
+			->with(
+				$this->equalTo(
+					_x(
+						'%1$s was removed from the "%2$s" site',
+						'1. User\'s name, 2. Site name',
+						'stream'
+					)
+				),
+				$this->equalTo(
+					array(
+						'user_name' => 'testuser',
+						'site_name' => 'testsite',
+						'siteurl'   => '//testsite',
+						'id'        => $blog_id,
+					)
+				),
+				$this->equalTo( $blog_id ),
+				$this->equalTo( 'testsite' ),
+				$this->equalTo( 'updated' )
+			);
+
+		// Remove user from site to trigger callback.
+		remove_user_from_blog( $user_id, $blog_id );
+
+		// Check callback test action.
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_remove_user_from_blog' ) );
+	}
+
+	public function test_callback_update_blog_status() {
+		// Create site and add user to site for later use.
+		$blog_id = self::factory()->blog->create(
+			array(
+				'title' => 'testsite',
+				'meta'  => array( 'public' => '0' ),
+			)
+		);
+		$site    = get_site( $blog_id );
+
+		// Expected log calls.
+		$this->mock->expects( $this->exactly( 10 ) )
+			->method( 'log' )
+			->withConsecutive(
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'marked as spam', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'updated' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'marked as not spam', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'updated' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'marked as mature', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'updated' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'marked as not mature', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'updated' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'archived', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'archive_blog' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'restored from archive', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'updated' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'trashed', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'trashed' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'restored', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'restored' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'marked as public', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'updated' )
+				),
+				array(
+					$this->equalTo(
+						_x(
+							'"%1$s" site was %2$s',
+							'1. Site name, 2. Status',
+							'stream'
+						)
+					),
+					$this->equalTo(
+						array(
+							'site_name' => 'testsite',
+							'siteurl'   => '//testsite',
+							'id'        => $blog_id,
+							'status'    => esc_html__( 'marked as private', 'stream' ),
+						)
+					),
+					$this->equalTo( $blog_id ),
+					$this->equalTo( 'testsite' ),
+					$this->equalTo( 'updated' )
+				)
+			);
+
+		// Update blog status blog to trigger callback.
+		$fields = array(
+			'spam'     => '1',
+			'mature'   => '1',
+			'archived' => '1',
+			'deleted'  => '1',
+			'public'   => '1',
+		);
+		foreach( $fields as $field => $value ) {
+			wp_update_site( $blog_id, array( $field => $value ) );
+			wp_update_site( $blog_id, array( $field => absint( $value ) ? '0' : '1' ) );
+		}
+
+		// Check callback test action.
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_make_spam_blog' ) );
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_make_ham_blog' ) );
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_mature_blog' ) );
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_unmature_blog' ) );
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_archive_blog' ) );
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_unarchive_blog' ) );
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_make_delete_blog' ) );
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_make_undelete_blog' ) );
+		$this->assertGreaterThan( 0, did_action( $this->action_prefix . 'callback_update_blog_public' ) );
+	}
 }