diff --git a/wp-content/plugins/wp-piwik/classes/WP_Piwik.php b/wp-content/plugins/wp-piwik/classes/WP_Piwik.php
index ee370040..1eddaa9c 100644
--- a/wp-content/plugins/wp-piwik/classes/WP_Piwik.php
+++ b/wp-content/plugins/wp-piwik/classes/WP_Piwik.php
@@ -10,7 +10,7 @@ use WP_Piwik\Widget\Post;
  */
 class WP_Piwik {
 
-	private static $revisionId = 2022020701, $version = '1.0.27', $blog_id, $pluginBasename = NULL, $logger, $settings, $request, $optionsPageId;
+	private static $revisionId = 2023052101, $version = '1.0.28', $blog_id, $pluginBasename = NULL, $logger, $settings, $request, $optionsPageId;
 
 	/**
 	 * Constructor class to configure and register all WP-Piwik components
@@ -1152,7 +1152,12 @@ class WP_Piwik {
 				'urls' => $isCurrent ? get_bloginfo ( 'url' ) : get_blog_details ( $blogId )->siteurl,
 				'siteName' => urlencode( $isCurrent ? get_bloginfo ( 'name' ) : get_blog_details ( $blogId )->blogname )
 		) );
-		$result = (int) $this->request ( $id );
+		$result = $this->request ( $id );
+		if ( is_array( $result ) && isset( $result['value'] ) ) {
+			$result = (int) $result['value'];
+		} else {
+			$result = (int) $result;
+		}
 		self::$logger->log ( 'Create Matomo ID: WordPress site ' . ($isCurrent ? get_bloginfo ( 'url' ) : get_blog_details ( $blogId )->siteurl) . ' = Matomo ID ' . $result );
 		if (empty ( $result ))
 			return null;
@@ -1319,7 +1324,7 @@ class WP_Piwik {
 	 * Get option value, choose method depending on network mode
 	 *
 	 * @param string $option option key
-	 * @return string option value
+	 * @return string|array option value
 	 */
 	private function getWordPressOption($option, $default = null) {
 		return ($this->isNetworkMode () ? get_site_option ( $option, $default ) : get_option ( $option, $default ));
diff --git a/wp-content/plugins/wp-piwik/classes/WP_Piwik/Admin/Settings.php b/wp-content/plugins/wp-piwik/classes/WP_Piwik/Admin/Settings.php
index 3cb19b92..d06f5a1a 100644
--- a/wp-content/plugins/wp-piwik/classes/WP_Piwik/Admin/Settings.php
+++ b/wp-content/plugins/wp-piwik/classes/WP_Piwik/Admin/Settings.php
@@ -260,7 +260,13 @@ class Settings extends \WP_Piwik\Admin {
 
 		$this->showInput ( 'add_download_extensions', __ ( 'Add new file types for download tracking', 'wp-piwik' ), __ ( 'Add file extensions for download tracking, divided by a vertical bar (&#124;).', 'wp-piwik' ) . ' ' . sprintf ( __ ( 'See %sMatomo documentation%s.', 'wp-piwik' ), '<a href="https://developer.piwik.org/guides/tracking-javascript-guide#file-extensions-for-tracking-downloads" target="_BLANK">', '</a>' ), $isNotGeneratedTracking, $fullGeneratedTrackingGroup );
 
-		$this->showCheckbox ( 'disable_cookies', __ ( 'Disable cookies', 'wp-piwik' ), __ ( 'Disable all tracking cookies for a visitor.', 'wp-piwik' ), $isNotGeneratedTracking, $fullGeneratedTrackingGroup );
+        $this->showSelect ( 'require_consent', __ ( 'Tracking or cookie consent', 'wp-piwik' ), array (
+            'disabled' => __ ( 'Disabled', 'wp-piwik' ),
+            'consent' => __ ( 'Require consent', 'wp-piwik' ),
+            'cookieconsent' => __ ( 'Require cookie consent', 'wp-piwik' )
+        ), __ ( 'Enable support for consent managers.' ) . ' ' . sprintf ( __ ( 'See %sMatomo documentation%s.', 'wp-piwik' ), '<a href="https://developer.matomo.org/guides/tracking-consent" target="_BLANK">', '</a>' ), '', $isNotGeneratedTracking, $fullGeneratedTrackingGroup );
+
+        $this->showCheckbox ( 'disable_cookies', __ ( 'Disable cookies', 'wp-piwik' ), __ ( 'Disable all tracking cookies for a visitor.', 'wp-piwik' ), $isNotGeneratedTracking, $fullGeneratedTrackingGroup );
 
 		$this->showCheckbox ( 'limit_cookies', __ ( 'Limit cookie lifetime', 'wp-piwik' ), __ ( 'You can limit the cookie lifetime to avoid tracking your users over a longer period as necessary.', 'wp-piwik' ), $isNotGeneratedTracking, $fullGeneratedTrackingGroup, true, 'jQuery(\'tr.wp-piwik-cookielifetime-option\').toggleClass(\'wp-piwik-hidden\');' );
 
@@ -526,9 +532,6 @@ class Settings extends \WP_Piwik\Admin {
 	<p>
 		<?php _e('If you like WP-Matomo, you can support its development by a donation:', 'wp-piwik'); ?>
 	</p>
-	<div>
-		<script id='fb0ahsp'>(function(i){var f,s=document.getElementById(i);f=document.createElement('iframe');f.src='//button.flattr.com/view/?fid=mkdp7z&url=https%3A%2F%2Fwww.braekling.de%2Fwp-piwik-wpmu-piwik-wordpress';f.title='Flattr';f.height=62;f.width=55;f.style.borderWidth=0;s.parentNode.insertBefore(f,s);})('fb0ahsp');</script>
-	</div>
 	<div>
 		Paypal
 		<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
@@ -545,9 +548,6 @@ class Settings extends \WP_Piwik\Admin {
 	<div>
 		<a href="http://www.amazon.de/gp/registry/wishlist/111VUJT4HP1RA?reveal=unpurchased&amp;filter=all&amp;sort=priority&amp;layout=standard&amp;x=12&amp;y=14"><?php _e('My Amazon.de wishlist', 'wp-piwik'); ?></a>
 	</div>
-	<div>
-		<?php _e('Please don\'t forget to vote the compatibility at the','wp-piwik'); ?> <a target="_BLANK" href="http://wordpress.org/extend/plugins/wp-piwik/">WordPress.org Plugin Directory</a>.
-	</div>
 </div><?php
 	}
 
diff --git a/wp-content/plugins/wp-piwik/classes/WP_Piwik/Admin/Statistics.php b/wp-content/plugins/wp-piwik/classes/WP_Piwik/Admin/Statistics.php
index ce0f4c92..480711bc 100644
--- a/wp-content/plugins/wp-piwik/classes/WP_Piwik/Admin/Statistics.php
+++ b/wp-content/plugins/wp-piwik/classes/WP_Piwik/Admin/Statistics.php
@@ -19,7 +19,6 @@
 					return;
 				}
 				echo '<p>'.__('Currently shown stats:').' <a href="'.get_bloginfo('url').'">'.get_bloginfo('name').'</a>.'.' <a href="?page=wp-piwik_stats&overview=1">Show site overview</a>.</p>';
-				echo '</form>'."\n";
 			}
 			echo '<form action="admin-post.php" method="post"><input type="hidden" name="action" value="save_wp-piwik_stats_general" /><div id="dashboard-widgets" class="metabox-holder columns-'.$screen_layout_columns.(2 <= $screen_layout_columns?' has-right-sidebar':'').'">';
 			wp_nonce_field('wp-piwik_stats-general');
diff --git a/wp-content/plugins/wp-piwik/classes/WP_Piwik/Settings.php b/wp-content/plugins/wp-piwik/classes/WP_Piwik/Settings.php
index 1b509013..f88613df 100644
--- a/wp-content/plugins/wp-piwik/classes/WP_Piwik/Settings.php
+++ b/wp-content/plugins/wp-piwik/classes/WP_Piwik/Settings.php
@@ -75,6 +75,7 @@ class Settings {
 			'set_download_extensions' => '',
 			'set_link_classes' => '',
 			'set_download_classes' => '',
+            'require_consent' => 'disabled',
 			'disable_cookies' => false,
 			'limit_cookies' => false,
 			'limit_cookies_visitor' => 34186669, // Piwik default 13 months
@@ -147,6 +148,7 @@ class Settings {
 			return;
 		}
 		self::$wpPiwik->log ( 'Save settings' );
+        $this->globalSettings['plugin_display_name'] = htmlspecialchars($this->globalSettings['plugin_display_name'], ENT_QUOTES, 'utf-8');
 		foreach ( $this->globalSettings as $key => $value ) {
 			if ( $this->checkNetworkActivation() )
 				update_site_option ( 'wp-piwik_global-' . $key, $value );
diff --git a/wp-content/plugins/wp-piwik/classes/WP_Piwik/TrackingCode.php b/wp-content/plugins/wp-piwik/classes/WP_Piwik/TrackingCode.php
index 8a739c51..1abd3e46 100644
--- a/wp-content/plugins/wp-piwik/classes/WP_Piwik/TrackingCode.php
+++ b/wp-content/plugins/wp-piwik/classes/WP_Piwik/TrackingCode.php
@@ -82,7 +82,7 @@ class TrackingCode {
             $code = str_replace ( "_paq.push(['trackPageView']);", "_paq.push(['setDownloadClasses', '" . ($settings->getGlobalOption ( 'set_download_classes' )) . "']);\n_paq.push(['trackPageView']);", $code );
         if ($settings->getGlobalOption ( 'set_link_classes' ))
             $code = str_replace ( "_paq.push(['trackPageView']);", "_paq.push(['setLinkClasses', '" . ($settings->getGlobalOption ( 'set_link_classes' )) . "']);\n_paq.push(['trackPageView']);", $code );
-		if ($settings->getGlobalOption ( 'limit_cookies' ))
+        if ($settings->getGlobalOption ( 'limit_cookies' ))
 			$code = str_replace ( "_paq.push(['trackPageView']);", "_paq.push(['setVisitorCookieTimeout', '" . $settings->getGlobalOption ( 'limit_cookies_visitor' ) . "']);\n_paq.push(['setSessionCookieTimeout', '" . $settings->getGlobalOption ( 'limit_cookies_session' ) . "']);\n_paq.push(['setReferralCookieTimeout', '" . $settings->getGlobalOption ( 'limit_cookies_referral' ) . "']);\n_paq.push(['trackPageView']);", $code );
 		if ($settings->getGlobalOption ( 'force_protocol' ) != 'disabled')
 			$code = str_replace ( '"//', '"' . $settings->getGlobalOption ( 'force_protocol' ) . '://', $code );
@@ -92,6 +92,11 @@ class TrackingCode {
 			$code = str_replace ( "_paq.push(['trackPageView']);", "_paq.push(['trackPageView']);\n_paq.push(['trackVisibleContentImpressions']);", $code );
 		if ((int) $settings->getGlobalOption ( 'track_heartbeat' ) > 0)
 			$code = str_replace ( "_paq.push(['trackPageView']);", "_paq.push(['trackPageView']);\n_paq.push(['enableHeartBeatTimer', ".(int) $settings->getGlobalOption ( 'track_heartbeat' )."]);", $code );
+        if ($settings->getGlobalOption ( 'require_consent' ) == 'consent') {
+            $code = str_replace ( "_paq.push(['trackPageView']);", "_paq.push(['requireConsent']);\n_paq.push(['trackPageView']);", $code );
+        } elseif ($settings->getGlobalOption ( 'require_consent' ) == 'cookieconsent') {
+            $code = str_replace ( "_paq.push(['trackPageView']);", "_paq.push(['requireCookieConsent']);\n_paq.push(['trackPageView']);", $code );
+        }
 
 		$noScript = array ();
 		preg_match ( '/<noscript>(.*)<\/noscript>/', $code, $noScript );
@@ -118,9 +123,9 @@ class TrackingCode {
 	}
 
 	private function applySearchChanges() {
+		global $wp_query;
 		self::$wpPiwik->log ( 'Apply search tracking changes. Blog ID: ' . get_current_blog_id () . ' Site ID: ' . self::$wpPiwik->getOption ( 'site_id' ) );
-		$objSearch = new \WP_Query ( "s=" . get_search_query () . '&showposts=-1' );
-		$intResultCount = $objSearch->post_count;
+		$intResultCount = $wp_query->found_posts;
 		$this->trackingCode = str_replace ( "_paq.push(['trackPageView']);", "_paq.push(['trackSiteSearch','" . get_search_query () . "', false, " . $intResultCount . "]);\n_paq.push(['trackPageView']);", $this->trackingCode );
 	}
 
diff --git a/wp-content/plugins/wp-piwik/classes/WP_Piwik/Widget/Ecommerce.php b/wp-content/plugins/wp-piwik/classes/WP_Piwik/Widget/Ecommerce.php
index af0dafa6..2251315b 100644
--- a/wp-content/plugins/wp-piwik/classes/WP_Piwik/Widget/Ecommerce.php
+++ b/wp-content/plugins/wp-piwik/classes/WP_Piwik/Widget/Ecommerce.php
@@ -1,45 +1,51 @@
 <?php
 
-	namespace WP_Piwik\Widget;
+namespace WP_Piwik\Widget;
 
-	class Ecommerce extends \WP_Piwik\Widget {
-	
-		public $className = __CLASS__;
+class Ecommerce extends \WP_Piwik\Widget
+{
 
-		protected function configure($prefix = '', $params = array()) {
-            $timeSettings = $this->getTimeSettings();
-            $this->title = $prefix.__('E-Commerce', 'wp-piwik');
-			$this->method = 'Goals.get';
-            $this->parameter = array(
-                'idSite' => self::$wpPiwik->getPiwikSiteId($this->blogId),
-                'period' => $timeSettings['period'],
-                'date'  => $timeSettings['date']
+    public $className = __CLASS__;
+
+    protected function configure($prefix = '', $params = array())
+    {
+        $timeSettings = $this->getTimeSettings();
+        $this->title = $prefix . __('E-Commerce', 'wp-piwik');
+        $this->method = 'Goals.get';
+        $this->parameter = array(
+            'idSite' => self::$wpPiwik->getPiwikSiteId($this->blogId),
+            'period' => $timeSettings['period'],
+            'date' => $timeSettings['date']
+        );
+    }
+
+    public function show()
+    {
+        $response = self::$wpPiwik->request($this->apiID[$this->method]);
+        if (!empty($response['result']) && $response['result'] = 'error')
+            echo '<strong>' . __('Piwik error', 'wp-piwik') . ':</strong> ' . htmlentities($response['message'], ENT_QUOTES, 'utf-8');
+        else {
+            $tableHead = null;
+            $revenue = is_float($this->value($response, 'revenue')) ? number_format($this->value($response, 'revenue'), 2) : "";
+            $revenue_new = is_float($this->value($response, 'revenue_new_visit')) ? number_format($this->value($response, 'revenue_new_visit'), 2) : "";
+            $revenue_return = is_float($this->value($response, 'revenue_returning_visit')) ? number_format($this->value($response, 'revenue_returning_visit'), 2) : "";
+            $tableBody = array(
+                array(__('Conversions', 'wp-piwik') . ':', $this->value($response, 'nb_conversions')),
+                array(__('Visits converted', 'wp-piwik') . ':', $this->value($response, 'nb_visits_converted')),
+                array(__('Revenue', 'wp-piwik') . ':', $revenue),
+                array(__('Conversion rate', 'wp-piwik') . ':', $this->value($response, 'conversion_rate')),
+                array(__('Conversions (new visitor)', 'wp-piwik') . ':', $this->value($response, 'nb_conversions_new_visit')),
+                array(__('Visits converted (new visitor)', 'wp-piwik') . ':', $this->value($response, 'nb_visits_converted_new_visit')),
+                array(__('Revenue (new visitor)', 'wp-piwik') . ':', $revenue_new),
+                array(__('Conversion rate (new visitor)', 'wp-piwik') . ':', $this->value($response, 'conversion_rate_new_visit')),
+                array(__('Conversions (returning visitor)', 'wp-piwik') . ':', $this->value($response, 'nb_conversions_returning_visit')),
+                array(__('Visits converted (returning visitor)', 'wp-piwik') . ':', $this->value($response, 'nb_visits_converted_returning_visit')),
+                array(__('Revenue (returning visitor)', 'wp-piwik') . ':', $revenue_return),
+                array(__('Conversion rate (returning visitor)', 'wp-piwik') . ':', $this->value($response, 'conversion_rate_returning_visit')),
             );
-		}
-		
-		public function show() {
-			$response = self::$wpPiwik->request($this->apiID[$this->method]);
-			if (!empty($response['result']) && $response['result'] ='error')
-				echo '<strong>'.__('Piwik error', 'wp-piwik').':</strong> '.htmlentities($response['message'], ENT_QUOTES, 'utf-8');
-			else {
-                $tableHead = null;
-                $tableBody = array(
-                    array(__('Conversions', 'wp-piwik').':', $this->value($response, 'nb_conversions')),
-                    array(__('Visits converted', 'wp-piwik').':', $this->value($response, 'nb_visits_converted')),
-                    array(__('Revenue', 'wp-piwik').':', number_format($this->value($response, 'revenue'),2)),
-                    array(__('Conversion rate', 'wp-piwik').':', $this->value($response, 'conversion_rate')),
-                    array(__('Conversions (new visitor)', 'wp-piwik').':', $this->value($response, 'nb_conversions_new_visit')),
-                    array(__('Visits converted (new visitor)', 'wp-piwik').':', $this->value($response, 'nb_visits_converted_new_visit')),
-                    array(__('Revenue (new visitor)', 'wp-piwik').':', number_format($this->value($response, 'revenue_new_visit'),2)),
-                    array(__('Conversion rate (new visitor)', 'wp-piwik').':', $this->value($response, 'conversion_rate_new_visit')),
-                    array(__('Conversions (returning visitor)', 'wp-piwik').':', $this->value($response, 'nb_conversions_returning_visit')),
-                    array(__('Visits converted (returning visitor)', 'wp-piwik').':', $this->value($response, 'nb_visits_converted_returning_visit')),
-                    array(__('Revenue (returning visitor)', 'wp-piwik').':', number_format($this->value($response, 'revenue_returning_visit'),2)),
-                    array(__('Conversion rate (returning visitor)', 'wp-piwik').':', $this->value($response, 'conversion_rate_returning_visit')),
-                );
-                $tableFoot = (self::$settings->getGlobalOption('piwik_shortcut')?array(__('Shortcut', 'wp-piwik').':', '<a href="'.self::$settings->getGlobalOption('piwik_url').'">Piwik</a>'.(isset($aryConf['inline']) && $aryConf['inline']?' - <a href="?page=wp-piwik_stats">WP-Piwik</a>':'')):null);
-                $this->table($tableHead, $tableBody, $tableFoot);
-			}
-		}
-		
-	}
\ No newline at end of file
+            $tableFoot = (self::$settings->getGlobalOption('piwik_shortcut') ? array(__('Shortcut', 'wp-piwik') . ':', '<a href="' . self::$settings->getGlobalOption('piwik_url') . '">Piwik</a>' . (isset($aryConf['inline']) && $aryConf['inline'] ? ' - <a href="?page=wp-piwik_stats">WP-Piwik</a>' : '')) : null);
+            $this->table($tableHead, $tableBody, $tableFoot);
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/wp-content/plugins/wp-piwik/readme.txt b/wp-content/plugins/wp-piwik/readme.txt
index 2978871a..0d0a47ab 100644
--- a/wp-content/plugins/wp-piwik/readme.txt
+++ b/wp-content/plugins/wp-piwik/readme.txt
@@ -2,8 +2,8 @@
 
 Contributors: Braekling
 Requires at least: 5.0
-Tested up to: 5.9
-Stable tag: 1.0.27
+Tested up to: 6.2
+Stable tag: 1.0.28
 Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=6046779
 Tags: matomo, tracking, statistics, stats, analytics
 
@@ -143,6 +143,14 @@ Add WP-Matomo to your /wp-content/plugins folder and enable it as [Network Plugi
 
 == Changelog ==
 
+= 1.0.28 =
+* Encode plugin display name
+* Option to set requireConsent or requireCookieConsent
+* Avoid notice on empty ecommerce data
+* Improve search tracking performance (thanks to theodejager, [details](https://github.com/braekling/WP-Matomo/pull/111))
+* Fix multisite sub-site tracking (thanks to ulkoalex, [details](https://github.com/braekling/WP-Matomo/issues/107))
+* Remove excess form closing tag (thanks to ulkoalex, [details](https://github.com/braekling/WP-Matomo/pull/113))
+
 = 1.0.27 =
 * Fix a CSRF vulnerability
 * Fix JavaScript typos on settings page which broke some interface functionality
diff --git a/wp-content/plugins/wp-piwik/wp-piwik.php b/wp-content/plugins/wp-piwik/wp-piwik.php
index c4a374bb..6af00d99 100644
--- a/wp-content/plugins/wp-piwik/wp-piwik.php
+++ b/wp-content/plugins/wp-piwik/wp-piwik.php
@@ -6,7 +6,7 @@ Plugin URI: http://wordpress.org/extend/plugins/wp-piwik/
 
 Description: Adds Matomo statistics to your WordPress dashboard and is also able to add the Matomo Tracking Code to your blog.
 
-Version: 1.0.27
+Version: 1.0.28
 Author: Andr&eacute; Br&auml;kling
 Author URI: https://www.braekling.de
 Text Domain: wp-piwik