diff --git a/src/class-tiny-notices.php b/src/class-tiny-notices.php
index 6ca2aac6..e142e1ab 100644
--- a/src/class-tiny-notices.php
+++ b/src/class-tiny-notices.php
@@ -216,8 +216,10 @@ public function get_api_key_pending_notice() {
 
 	public function add_limit_reached_notice( $email ) {
 		$encoded_email = str_replace( '%20', '%2B', rawurlencode( $email ) );
-		$url           = 'https://tinypng.com/dashboard/api?type=upgrade&mail=' . $encoded_email;
-		$link          = '<a href="' . $url . '" target="_blank">' .
+		$url           = 'https://tinypng.com/dashboard/api?type=upgrade&mail=' . $encoded_email .
+			'&utm_source=wordpress-plugin&utm_medium=referral' .
+			'&utm_campaign=upgrade&utm_content=limit-reached-notice';
+		$link          = '<a href="' . esc_url( $url ) . '" target="_blank">' .
 			esc_html__( 'TinyPNG API account', 'tiny-compress-images' ) . '</a>';
 
 		$this->add(
diff --git a/src/views/account-status-connected.php b/src/views/account-status-connected.php
index 5983bdd7..776635fd 100644
--- a/src/views/account-status-connected.php
+++ b/src/views/account-status-connected.php
@@ -96,7 +96,7 @@
 		<p class="introduction">
 		<?php
 			$link = sprintf(
-				'<a href="https://tinypng.com/dashboard/api" target="_blank">%s</a>',
+				'<a href="https://tinypng.com/dashboard/api?utm_source=wordpress-plugin&utm_medium=referral&utm_campaign=api-key&utm_content=settings-account" target="_blank">%s</a>',
 				esc_html__( 'API dashboard', 'tiny-compress-images' )
 			);
 			printf(
@@ -136,7 +136,7 @@
 			<div class="button-container">
 				<div class="box">
 					<?php $encoded_email = str_replace( '%20', '%2B', rawurlencode( self::get_email_address() ) ); ?>
-					<a href="<?php echo esc_url( 'https://tinypng.com/dashboard/api?type=upgrade&mail=' . $encoded_email ); ?>" target="_blank" class="button button-primary upgrade-account">
+					<a href="<?php echo esc_url( 'https://tinypng.com/dashboard/api?type=upgrade&mail=' . $encoded_email . '&utm_source=wordpress-plugin&utm_medium=referral&utm_campaign=upgrade&utm_content=settings-account' ); ?>" target="_blank" class="button button-primary upgrade-account">
 						<?php esc_html_e( 'Upgrade account', 'tiny-compress-images' ); ?>
 					</a>
 				</div>
diff --git a/src/views/account-status-create-advanced.php b/src/views/account-status-create-advanced.php
index 26b98c12..0ffbec94 100644
--- a/src/views/account-status-create-advanced.php
+++ b/src/views/account-status-create-advanced.php
@@ -44,7 +44,7 @@
 		<p class="introduction">
 		<?php
 			$link = sprintf(
-				'<a href="https://tinypng.com/dashboard/api" target="_blank">%s</a>',
+				'<a href="https://tinypng.com/dashboard/api?utm_source=wordpress-plugin&utm_medium=referral&utm_campaign=api-key&utm_content=settings-account" target="_blank">%s</a>',
 				esc_html__( 'API dashboard', 'tiny-compress-images' )
 			);
 			echo wp_kses_post(
diff --git a/src/views/bulk-optimization-upgrade-notice.php b/src/views/bulk-optimization-upgrade-notice.php
index 66a5e099..f2272b27 100644
--- a/src/views/bulk-optimization-upgrade-notice.php
+++ b/src/views/bulk-optimization-upgrade-notice.php
@@ -38,7 +38,7 @@
 		</p>
 	</div>
 	<?php $encoded_email = str_replace( '%20', '%2B', rawurlencode( $email_address ) ); ?>
-	<a href="<?php echo esc_url( 'https://tinypng.com/dashboard/api?type=upgrade&mail=' . $encoded_email ); ?>" target="_blank" class="button button-primary button-hero upgrade-account">
+	<a href="<?php echo esc_url( 'https://tinypng.com/dashboard/api?type=upgrade&mail=' . $encoded_email . '&utm_source=wordpress-plugin&utm_medium=referral&utm_campaign=upgrade&utm_content=bulk-optimization-notice' ); ?>" target="_blank" class="button button-primary button-hero upgrade-account">
 		<?php esc_html_e( 'Upgrade account', 'tiny-compress-images' ); ?>
 	</a>
 	<?php if ( $remaining_credits > 0 ) { ?>
diff --git a/src/views/bulk-optimization.php b/src/views/bulk-optimization.php
index 77033875..31ad62dc 100644
--- a/src/views/bulk-optimization.php
+++ b/src/views/bulk-optimization.php
@@ -233,7 +233,7 @@
 												),
 												(int) Tiny_Config::MONTHLY_FREE_COMPRESSIONS,
 												esc_html__( 'image sizes', 'tiny-compress-images' ),
-												'<a target="_blank" href="' . esc_url( 'https://tinypng.com/dashboard/api?type=upgrade&mail=' . str_replace( '%20', '%2B', rawurlencode( $email_address ) ) ) . '">' . esc_html__( ' upgrade here', 'tiny-compress-images' ) . '</a>'
+												'<a target="_blank" href="' . esc_url( 'https://tinypng.com/dashboard/api?type=upgrade&mail=' . str_replace( '%20', '%2B', rawurlencode( $email_address ) ) . '&utm_source=wordpress-plugin&utm_medium=referral&utm_campaign=upgrade&utm_content=bulk-optimization' ) . '">' . esc_html__( ' upgrade here', 'tiny-compress-images' ) . '</a>'
 											);
 											?>
 											</p>