diff --git a/includes/openid-connect-generic-client-wrapper.php b/includes/openid-connect-generic-client-wrapper.php
index c8e5555d..18356fa0 100644
--- a/includes/openid-connect-generic-client-wrapper.php
+++ b/includes/openid-connect-generic-client-wrapper.php
@@ -542,13 +542,17 @@ public function authentication_request_callback() {
 		}
 
 		// Login the found / created user.
+		$start_time = microtime( true );
 		$this->login_user( $user, $token_response, $id_token_claim, $user_claim, $subject_identity );
+		$end_time = microtime( true );
+		// Log our success.
+		$this->logger->log( "Successful login for: {$user->user_login} ({$user->ID})", 'login-success', $end_time - $start_time );
 
 		// Allow plugins / themes to take action once a user is logged in.
+		$start_time = microtime( true );
 		do_action( 'openid-connect-generic-user-logged-in', $user );
-
-		// Log our success.
-		$this->logger->log( "Successful login for: {$user->user_login} ({$user->ID})", 'login-success' );
+		$end_time = microtime( true );
+		$this->logger->log( 'openid-connect-generic-user-logged-in', 'do_action', $end_time - $start_time );
 
 		// Default redirect to the homepage.
 		$redirect_url = home_url();
@@ -957,6 +961,7 @@ private function get_email_from_claim( $user_claim, $error_on_missing_key = fals
 	 * @return \WP_Error | \WP_User
 	 */
 	public function create_new_user( $subject_identity, $user_claim ) {
+		$start_time = microtime( true );
 		$user_claim = apply_filters( 'openid-connect-generic-alter-user-claim', $user_claim );
 
 		// Default username & email to the subject identity.
@@ -1054,6 +1059,8 @@ public function create_new_user( $subject_identity, $user_claim ) {
 			if ( ! empty( $uid ) ) {
 				$user = $this->update_existing_user( $uid, $subject_identity );
 				do_action( 'openid-connect-generic-update-user-using-current-claim', $user, $user_claim );
+				$end_time = microtime( true );
+				$this->logger->log( "Existing user updated: {$user->user_login} ($uid)", __METHOD__, $end_time - $start_time );
 				return $user;
 			}
 		}
@@ -1104,7 +1111,8 @@ public function create_new_user( $subject_identity, $user_claim ) {
 		add_user_meta( $user->ID, 'openid-connect-generic-subject-identity', (string) $subject_identity, true );
 
 		// Log the results.
-		$this->logger->log( "New user created: {$user->user_login} ($uid)", 'success' );
+		$end_time = microtime( true );
+		$this->logger->log( "New user created: {$user->user_login} ($uid)", __METHOD__, $end_time - $start_time );
 
 		// Allow plugins / themes to take action on new user creation.
 		do_action( 'openid-connect-generic-user-create', $user, $user_claim );
diff --git a/includes/openid-connect-generic-client.php b/includes/openid-connect-generic-client.php
index b5989b2b..70250b03 100644
--- a/includes/openid-connect-generic-client.php
+++ b/includes/openid-connect-generic-client.php
@@ -231,8 +231,10 @@ public function request_authentication_token( $code ) {
 		$request = apply_filters( 'openid-connect-generic-alter-request', $request, 'get-authentication-token' );
 
 		// Call the server and ask for a token.
-		$this->logger->log( $this->endpoint_token, 'request_authentication_token' );
-		$response = wp_remote_post( $this->endpoint_token, $request );
+		$start_time = microtime( true );
+		$response   = wp_remote_post( $this->endpoint_token, $request );
+		$end_time   = microtime( true );
+		$this->logger->log( $this->endpoint_token, 'request_authentication_token', $end_time - $start_time );
 
 		if ( is_wp_error( $response ) ) {
 			$response->add( 'request_authentication_token', __( 'Request for authentication token failed.', 'daggerhart-openid-connect-generic' ) );
@@ -262,8 +264,10 @@ public function request_new_tokens( $refresh_token ) {
 		$request = apply_filters( 'openid-connect-generic-alter-request', $request, 'refresh-token' );
 
 		// Call the server and ask for new tokens.
-		$this->logger->log( $this->endpoint_token, 'request_new_tokens' );
-		$response = wp_remote_post( $this->endpoint_token, $request );
+		$start_time = microtime( true );
+		$response   = wp_remote_post( $this->endpoint_token, $request );
+		$end_time   = microtime( true );
+		$this->logger->log( $this->endpoint_token, 'request_new_tokens', $end_time - $start_time );
 
 		if ( is_wp_error( $response ) ) {
 			$response->add( 'refresh_token', __( 'Refresh token failed.', 'daggerhart-openid-connect-generic' ) );
@@ -336,8 +340,10 @@ public function request_userinfo( $access_token ) {
 		$request['headers']['Host'] = $host;
 
 		// Attempt the request including the access token in the query string for backwards compatibility.
-		$this->logger->log( $this->endpoint_userinfo, 'request_userinfo' );
-		$response = wp_remote_post( $this->endpoint_userinfo, $request );
+		$start_time = microtime( true );
+		$response   = wp_remote_post( $this->endpoint_userinfo, $request );
+		$end_time   = microtime( true );
+		$this->logger->log( $this->endpoint_userinfo, 'request_userinfo', $end_time - $start_time );
 
 		if ( is_wp_error( $response ) ) {
 			$response->add( 'request_userinfo', __( 'Request for userinfo failed.', 'daggerhart-openid-connect-generic' ) );
diff --git a/includes/openid-connect-generic-option-logger.php b/includes/openid-connect-generic-option-logger.php
index f5ae8562..09b2189a 100644
--- a/includes/openid-connect-generic-option-logger.php
+++ b/includes/openid-connect-generic-option-logger.php
@@ -118,15 +118,16 @@ public function log_hook( $arg1 = null ) {
 	/**
 	 * Save an array of data to the logs.
 	 *
-	 * @param mixed $data The data to be logged.
-	 * @param mixed $type The type of log message.
+	 * @param mixed      $data            The log message data.
+	 * @param mixed      $type            The log message type.
+	 * @param float|null $processing_time Optional event processing time.
 	 *
 	 * @return bool
 	 */
-	public function log( $data, $type = null ) {
+	public function log( $data, $type = null, $processing_time = null ) {
 		if ( boolval( $this->logging_enabled ) ) {
 			$logs = $this->get_logs();
-			$logs[] = $this->make_message( $data, $type );
+			$logs[] = $this->make_message( $data, $type, $processing_time );
 			$logs = $this->upkeep_logs( $logs );
 			return $this->save_logs( $logs );
 		}
@@ -161,12 +162,13 @@ public function get_option_name() {
 	/**
 	 * Create a message array containing the data and other information.
 	 *
-	 * @param mixed $data The log message data.
-	 * @param mixed $type The log message type.
+	 * @param mixed      $data            The log message data.
+	 * @param mixed      $type            The log message type.
+	 * @param float|null $processing_time The event processing time.
 	 *
 	 * @return array
 	 */
-	private function make_message( $data, $type ) {
+	private function make_message( $data, $type, $processing_time ) {
 		// Determine the type of message.
 		if ( empty( $type ) ) {
 			$type = $this->default_message_type;
@@ -182,11 +184,12 @@ private function make_message( $data, $type ) {
 
 		// Construct the message.
 		$message = array(
-			'type'    => $type,
-			'time'    => time(),
-			'user_ID' => get_current_user_id(),
-			'uri'     => preg_replace( '/code=([^&]+)/i', 'code=', $request_uri ),
-			'data'    => $data,
+			'type'            => $type,
+			'time'            => time(),
+			'user_ID'         => get_current_user_id(),
+			'uri'             => preg_replace( '/code=([^&]+)/i', 'code=', $request_uri ),
+			'data'            => $data,
+			'processing_time' => $processing_time,
 		);
 
 		return $message;
@@ -251,32 +254,29 @@ public function get_logs_table( $logs = array() ) {
 		?>
 		<table id="logger-table" class="wp-list-table widefat fixed striped posts">
 			<thead>
-			<th class="col-details">Details</th>
-			<th class="col-data">Data</th>
+				<th class="col-date"><?php esc_html_e( 'Date', 'daggerhart-openid-connect-generic' ); ?></th>
+				<th class="col-type"><?php esc_html_e( 'Type', 'daggerhart-openid-connect-generic' ); ?></th>
+				<th class="col-details"><?php esc_html_e( 'Details', 'daggerhart-openid-connect-generic' ); ?></th>
+				<th class="col-data"><?php esc_html_e( 'Data', 'daggerhart-openid-connect-generic' ); ?></th>
+				<th class="col-response-time"><?php esc_html_e( 'Response&nbsp;Time&nbsp;(sec)', 'daggerhart-openid-connect-generic' ); ?></th>
 			</thead>
 			<tbody>
 			<?php foreach ( $logs as $log ) { ?>
 				<tr>
+					<td class="col-date"><?php print esc_html( ! empty( $log['time'] ) ? gmdate( 'Y-m-d H:i:s', $log['time'] ) : '' ); ?></td>
+					<td class="col-type"><?php print esc_html( ! empty( $log['type'] ) ? $log['type'] : '' ); ?></td>
 					<td class="col-details">
-						<div>
-							<label><?php esc_html_e( 'Type', 'daggerhart-openid-connect-generic' ); ?>: </label>
-							<?php print esc_html( $log['type'] ); ?>
-						</div>
-						<div>
-							<label><?php esc_html_e( 'Date', 'daggerhart-openid-connect-generic' ); ?>: </label>
-							<?php print esc_html( gmdate( 'Y-m-d H:i:s', $log['time'] ) ); ?>
-						</div>
 						<div>
 							<label><?php esc_html_e( 'User', 'daggerhart-openid-connect-generic' ); ?>: </label>
 							<?php print esc_html( ( get_userdata( $log['user_ID'] ) ) ? get_userdata( $log['user_ID'] )->user_login : '0' ); ?>
 						</div>
 						<div>
 							<label><?php esc_html_e( 'URI ', 'daggerhart-openid-connect-generic' ); ?>: </label>
-							<?php print esc_url( $log['uri'] ); ?>
+							<?php print esc_url( ! empty( $log['uri'] ) ? $log['uri'] : '' ); ?>
 						</div>
 					</td>
-
-					<td class="col-data"><pre><?php var_dump( $log['data'] ); ?></pre></td>
+					<td class="col-data"><pre><?php var_dump( ! empty( $log['data'] ) ? $log['data'] : '' ); ?></pre></td>
+					<td class="col-response-time"><?php print esc_html( ! empty( $log['response_time'] ) ? $log['response_time'] : '' ); ?></td>
 				</tr>
 			<?php } ?>
 			</tbody>