diff --git a/crontab/crawler.php b/crontab/crawler.php
index 2dd696d..d7af110 100644
--- a/crontab/crawler.php
+++ b/crontab/crawler.php
@@ -1035,21 +1035,37 @@ $executionTimeTotal    = microtime(true) - $timeStart;
 $httpRequestsTimeTotal = $httpRequestsTimeTotal / 1000000;
 
 // Debug output
-echo 'Hosts processed: ' . $hostsProcessed . PHP_EOL;
-echo 'Hosts added: ' . $hostsAdded . PHP_EOL . PHP_EOL;
+echo '[hosts]' . PHP_EOL;
+echo 'processed: ' . $hostsProcessed . PHP_EOL;
+echo 'added: ' . $hostsAdded . PHP_EOL . PHP_EOL;
 
-echo 'Pages processed: ' . $hostPagesProcessed . PHP_EOL;
-echo 'Pages added: ' . $hostPagesAdded . PHP_EOL;
-echo 'Pages snaps added: ' . $hostPagesSnapAdded . PHP_EOL;
-echo 'Pages banned: ' . $hostPagesBanned . PHP_EOL . PHP_EOL;
+echo '[hosts pages]' . PHP_EOL;
+echo 'processed: ' . $hostPagesProcessed . PHP_EOL;
+echo 'added: ' . $hostPagesAdded . PHP_EOL;
+echo 'banned: ' . $hostPagesBanned . PHP_EOL . PHP_EOL;
 
-echo 'Sitemaps processed: ' . $sitemapsProcessed . PHP_EOL . PHP_EOL;
+echo '[host page snaps]' . PHP_EOL;
+echo 'added: ' . $hostPagesSnapAdded . PHP_EOL . PHP_EOL;
 
-echo 'Manifests processed: ' . $manifestsProcessed . PHP_EOL . PHP_EOL;
+echo '[sitemaps]' . PHP_EOL;
+echo 'processed: ' . $sitemapsProcessed . PHP_EOL . PHP_EOL;
 
-echo 'HTTP Requests total: ' . $httpRequestsTotal . PHP_EOL;
-echo 'HTTP Requests total size: ' . $httpRequestsSizeTotal . PHP_EOL;
-echo 'HTTP Download total size: ' . $httpDownloadSizeTotal . PHP_EOL;
-echo 'HTTP Requests total time: ' . $httpRequestsTimeTotal . PHP_EOL . PHP_EOL;
+echo '[manifests]' . PHP_EOL;
+echo 'processed: ' . $manifestsProcessed . PHP_EOL . PHP_EOL;
 
-echo 'Total time: ' . $executionTimeTotal . PHP_EOL . PHP_EOL;
\ No newline at end of file
+echo '[HTTP]' . PHP_EOL;
+echo 'Requests total:' . $httpRequestsTotal . PHP_EOL;
+echo 'Requests size: ' . $httpRequestsSizeTotal . PHP_EOL;
+echo 'Download size: ' . $httpDownloadSizeTotal . PHP_EOL;
+echo 'Requests time: ' . $httpRequestsTimeTotal . PHP_EOL . PHP_EOL;
+
+echo '[MySQL]' . PHP_EOL;
+echo 'queries count:' . PHP_EOL;
+echo '  select: ' . $db->getDebug()->query->select->total . PHP_EOL;
+echo '  insert: ' . $db->getDebug()->query->insert->total . PHP_EOL;
+echo '  update: ' . $db->getDebug()->query->update->total . PHP_EOL;
+echo '  delete: ' . $db->getDebug()->query->delete->total . PHP_EOL . PHP_EOL;
+
+echo 'execution time: ' . $executionTimeTotal . PHP_EOL . PHP_EOL;
+
+echo '-----------------------' . PHP_EOL . PHP_EOL;
\ No newline at end of file
diff --git a/library/mysql.php b/library/mysql.php
index 64b268a..cc6d748 100644
--- a/library/mysql.php
+++ b/library/mysql.php
@@ -4,12 +4,37 @@ class MySQL {
 
   private PDO $_db;
 
+  private object $_debug;
+
   public function __construct(string $host, int $port, string $database, string $username, string $password) {
 
     $this->_db = new PDO('mysql:dbname=' . $database . ';host=' . $host . ';port=' . $port . ';charset=utf8', $username, $password, [PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8']);
     $this->_db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
     $this->_db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
     $this->_db->setAttribute(PDO::ATTR_TIMEOUT, 600);
+
+    $this->_debug = (object)
+    [
+      'query' => (object)
+      [
+        'select' => (object)
+        [
+          'total' => 0
+        ],
+        'insert' => (object)
+        [
+          'total' => 0
+        ],
+        'update' => (object)
+        [
+          'total' => 0
+        ],
+        'delete' => (object)
+        [
+          'total' => 0
+        ],
+      ]
+    ];
   }
 
   // System
@@ -28,9 +53,16 @@ class MySQL {
     $this->_db->rollBack();
   }
 
+  public function getDebug() {
+
+    return $this->_debug;
+  }
+
   // Host
   public function getAPIHosts(string $apiHostFields) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT ' . $apiHostFields . ' FROM `host`');
 
     $query->execute();
@@ -40,6 +72,8 @@ class MySQL {
 
   public function getHosts() {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->query('SELECT * FROM `host`');
 
     return $query->fetchAll();
@@ -47,6 +81,8 @@ class MySQL {
 
   public function getHost(int $hostId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare("SELECT *,
                                          IF (`port` IS NOT NULL,
                                                 CONCAT(`scheme`, '://', `name`, ':', `port`),
@@ -62,6 +98,8 @@ class MySQL {
 
   public function findHostByCRC32URL(int $crc32url) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `host` WHERE `crc32url` = ? LIMIT 1');
 
     $query->execute([$crc32url]);
@@ -71,6 +109,8 @@ class MySQL {
 
   public function getTotalHosts() {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT COUNT(*) AS `total` FROM `host`');
 
     $query->execute();
@@ -80,6 +120,8 @@ class MySQL {
 
   public function addHost(string $scheme, string $name, mixed $port, int $crc32url, int $timeAdded) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT INTO `host` (`scheme`,
                                                       `name`,
                                                       `port`,
@@ -94,6 +136,8 @@ class MySQL {
   // Host settings
   public function findHostSettingValue(int $hostId, string $key) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT `value` FROM `hostSetting` WHERE `hostId` = ? AND `key` = ? LIMIT 1');
 
     $query->execute([$hostId, $key]);
@@ -103,6 +147,8 @@ class MySQL {
 
   public function findHostSetting(int $hostId, string $key) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostSetting` WHERE `hostId` = ? AND `key` = ? LIMIT 1');
 
     $query->execute([$hostId, $key]);
@@ -112,6 +158,8 @@ class MySQL {
 
   public function addHostSetting(int $hostId, string $key, mixed $value, int $timeAdded) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT INTO `hostSetting` (`hostId`, `key`, `value`, `timeAdded`) VALUES (?, ?, ?, ?)');
 
     $value = json_encode($value);
@@ -130,6 +178,8 @@ class MySQL {
 
   public function updateHostSetting(int $hostSettingId, mixed $value, int $timeUpdated) {
 
+    $this->_debug->query->update->total++;
+
     $query = $this->_db->query('UPDATE `hostSetting` SET    `value`       = ?,
                                                             `timeUpdated` = ?
 
@@ -152,6 +202,8 @@ class MySQL {
 
   public function deleteHostSetting(int $hostSettingId) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->query('DELETE FROM `hostSetting` WHERE `hostSettingId` = ?');
 
     $query->execute([$hostSettingId]);
@@ -162,6 +214,8 @@ class MySQL {
   // Host pages
   public function getTotalHostPages(int $hostId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT COUNT(*) AS `total` FROM `hostPage` WHERE `hostId` = ?');
 
     $query->execute([$hostId]);
@@ -171,6 +225,8 @@ class MySQL {
 
   public function getHostPage(int $hostPageId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPage` WHERE `hostPageId` = ? LIMIT 1');
 
     $query->execute([$hostPageId]);
@@ -180,6 +236,8 @@ class MySQL {
 
   public function findHostPageByCRC32URI(int $hostId, int $crc32uri) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPage` WHERE `hostId` = ? AND `crc32uri` = ? LIMIT 1');
 
     $query->execute([$hostId, $crc32uri]);
@@ -189,6 +247,8 @@ class MySQL {
 
   public function getHostPages(int $hostId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPage` WHERE `hostId` = ?');
 
     $query->execute([$hostId]);
@@ -198,6 +258,8 @@ class MySQL {
 
   public function getTopHostPages(int $limit = 100) {
 
+    $this->_debug->query->select->total++;
+
     // Get ID (to prevent memory over usage)
     $query = $this->_db->query("SELECT `hostPageId` FROM `hostPage`
 
@@ -213,6 +275,8 @@ class MySQL {
     // Get required page details
     foreach ($query->fetchAll() as $top) {
 
+      $this->_debug->query->select->total++;
+
       $query = $this->_db->prepare("SELECT  `hostPage`.`hostId`,
                                             `hostPage`.`hostPageId`,
                                             `hostPage`.`uri`,
@@ -252,6 +316,8 @@ class MySQL {
 
   public function getHostPagesByIndexed() {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->query('SELECT * FROM `hostPage` WHERE `timeUpdated` IS NOT NULL AND `timeBanned` IS NULL');
 
     return $query->fetchAll();
@@ -259,6 +325,8 @@ class MySQL {
 
   public function getHostPagesByLimit(int $hostId, int $limit) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPage` WHERE `hostId` = ? ORDER BY `hostPageId` DESC LIMIT ' . (int) $limit);
 
     $query->execute([$hostId]);
@@ -268,6 +336,8 @@ class MySQL {
 
   public function getLastPageDescription(int $hostPageId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPageDescription` WHERE `hostPageId` = ? ORDER BY `timeAdded` DESC LIMIT 1');
 
     $query->execute([$hostPageId]);
@@ -284,6 +354,8 @@ class MySQL {
                               mixed $httpCode = null,
                               mixed $mime = null) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT INTO `hostPage` (`hostId`,
                                                           `crc32uri`,
                                                           `uri`,
@@ -300,6 +372,8 @@ class MySQL {
 
   public function updateHostPageTimeBanned(int $hostPageId, int $timeBanned) {
 
+    $this->_debug->query->update->total++;
+
     $query = $this->_db->prepare('UPDATE `hostPage` SET `timeBanned` = ? WHERE `hostPageId` = ? LIMIT 1');
 
     $query->execute([$timeBanned, $hostPageId]);
@@ -309,6 +383,8 @@ class MySQL {
 
   public function updateHostPageMime(int $hostPageId, string $mime) {
 
+    $this->_debug->query->update->total++;
+
     $query = $this->_db->prepare('UPDATE `hostPage` SET `mime` = ? WHERE `hostPageId` = ? LIMIT 1');
 
     $query->execute([$mime, $hostPageId]);
@@ -318,6 +394,8 @@ class MySQL {
 
   public function updateHostPageRank(int $hostPageId, int $rank) {
 
+    $this->_debug->query->update->total++;
+
     $query = $this->_db->prepare('UPDATE `hostPage` SET `rank` = ? WHERE `hostPageId` = ? LIMIT 1');
 
     $query->execute([$rank, $hostPageId]);
@@ -327,6 +405,8 @@ class MySQL {
 
   public function deleteHostPage(int $hostPageId) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->prepare('DELETE FROM `hostPage` WHERE `hostPageId` = ? LIMIT 1');
 
     $query->execute([$hostPageId]);
@@ -336,6 +416,8 @@ class MySQL {
 
   public function deleteHostPageDescriptions(int $hostPageId) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->prepare('DELETE FROM `hostPageDescription` WHERE `hostPageId` = ?');
 
     $query->execute([$hostPageId]);
@@ -350,6 +432,8 @@ class MySQL {
                                          mixed $data,
                                          int $timeAdded) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT INTO `hostPageDescription` ( `hostPageId`,
                                                                       `title`,
                                                                       `description`,
@@ -372,6 +456,8 @@ class MySQL {
 
   public function setHostPageToHostPage(int $hostPageIdSource, int $hostPageIdTarget) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT IGNORE `hostPageToHostPage` (`hostPageIdSource`, `hostPageIdTarget`) VALUES (?, ?)');
 
     $query->execute([$hostPageIdSource, $hostPageIdTarget]);
@@ -379,6 +465,8 @@ class MySQL {
 
   public function deleteHostPageToHostPage(int $hostPageId) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->prepare('DELETE FROM `hostPageToHostPage` WHERE `hostPageIdSource` = ? OR `hostPageIdTarget` = ?');
 
     $query->execute([$hostPageId, $hostPageId]);
@@ -388,6 +476,8 @@ class MySQL {
 
   public function getTotalHostPagesToHostPageByHostPageIdTarget(int $hostPageIdTarget) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT COUNT(*) AS `total` FROM `hostPageToHostPage` WHERE `hostPageIdTarget` = ?');
 
     $query->execute([$hostPageIdTarget]);
@@ -397,6 +487,8 @@ class MySQL {
 
   public function getHostPagesToHostPageByHostPageIdTarget(int $hostPageIdTarget, int $limit = 1000) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPageToHostPage` WHERE `hostPageIdTarget` = ? LIMIT ' . (int) $limit);
 
     $query->execute([$hostPageIdTarget]);
@@ -406,6 +498,8 @@ class MySQL {
 
   public function getHostPageToHostPage(int $hostPageIdSource, int $hostPageIdTarget) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPageToHostPage` WHERE `hostPageIdSource` = ? AND `hostPageIdTarget` = ? LIMIT 1');
 
     $query->execute([$hostPageIdSource, $hostPageIdTarget]);
@@ -415,6 +509,8 @@ class MySQL {
 
   public function addHostPageSnap(int $hostPageId, int $timeAdded) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT INTO `hostPageSnap` (`hostPageId`, `timeAdded`) VALUES (?, ?)');
 
     $query->execute([$hostPageId, $timeAdded]);
@@ -424,6 +520,8 @@ class MySQL {
 
   public function deleteHostPageSnap(int $hostPageSnapId) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->prepare('DELETE FROM `hostPageSnap` WHERE `hostPageSnapId` = ? LIMIT 1');
 
     $query->execute([$hostPageSnapId]);
@@ -433,6 +531,8 @@ class MySQL {
 
   public function getTotalHostPageSnaps(int $hostPageId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT COUNT(*) AS `total` FROM `hostPageSnap` WHERE `hostPageId` = ?');
 
     $query->execute([$hostPageId]);
@@ -442,6 +542,8 @@ class MySQL {
 
   public function getHostPageSnaps(int $hostPageId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPageSnap` WHERE `hostPageId` = ? ORDER BY `timeAdded` DESC');
 
     $query->execute([$hostPageId]);
@@ -451,6 +553,8 @@ class MySQL {
 
   public function getHostPageSnap(int $hostPageSnapId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPageSnap` WHERE `hostPageSnapId` = ? LIMIT 1');
 
     $query->execute([$hostPageSnapId]);
@@ -460,6 +564,8 @@ class MySQL {
 
   public function addHostPageSnapDownload(int $hostPageSnapStorageId, string $crc32ip, int $timeAdded) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT INTO `hostPageSnapDownload` (`hostPageSnapStorageId`,
                                                                       `crc32ip`,
                                                                       `timeAdded`) VALUES (?, ?, ?)');
@@ -471,6 +577,8 @@ class MySQL {
 
   public function addHostPageSnapStorage(int $hostPageSnapId, int $crc32name, int $timeAdded) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT INTO `hostPageSnapStorage` (`hostPageSnapId`,
                                                                      `crc32name`,
                                                                      `timeAdded`) VALUES (?, ?, ?)');
@@ -482,6 +590,8 @@ class MySQL {
 
   public function findHostPageSnapStorageByCRC32Name(int $hostPageSnapId, int $crc32name) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPageSnapStorage` WHERE `hostPageSnapId` = ? AND `crc32name` = ?');
 
     $query->execute([$hostPageSnapId, $crc32name]);
@@ -491,6 +601,8 @@ class MySQL {
 
   public function getHostPageSnapStorages(int $hostPageSnapId) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare('SELECT * FROM `hostPageSnapStorage` WHERE `hostPageSnapId` = ?');
 
     $query->execute([$hostPageSnapId]);
@@ -500,6 +612,8 @@ class MySQL {
 
   public function deleteHostPageSnapStorages(int $hostPageSnapId) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->prepare('DELETE FROM `hostPageSnapStorage` WHERE `hostPageSnapId` = ?');
 
     $query->execute([$hostPageSnapId]);
@@ -509,6 +623,8 @@ class MySQL {
 
   public function deleteHostPageSnapDownloads(int $hostPageSnapStorageId) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->prepare('DELETE FROM `hostPageSnapDownload` WHERE `hostPageSnapStorageId` = ?');
 
     $query->execute([$hostPageSnapStorageId]);
@@ -518,6 +634,8 @@ class MySQL {
 
   public function addHostPageDom(int $hostPageId, int $timeAdded, string $selector, string $value) {
 
+    $this->_debug->query->insert->total++;
+
     $query = $this->_db->prepare('INSERT INTO `hostPageDom` SET `hostPageId` = ?, `timeAdded` = ?, `selector` = ?, `value` = ?');
 
     $query->execute([$hostPageId, $timeAdded, $selector, $value]);
@@ -525,6 +643,8 @@ class MySQL {
 
   public function deleteHostPageDoms(int $hostPageId) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->prepare('DELETE FROM `hostPageDom` WHERE `hostPageId` = ?');
 
     $query->execute([$hostPageId]);
@@ -534,6 +654,8 @@ class MySQL {
 
   public function deleteHostPageDomsByTimeAdded(int $timeOffset) {
 
+    $this->_debug->query->delete->total++;
+
     $query = $this->_db->prepare('DELETE FROM `hostPageDom` WHERE `timeAdded` < ' . (int) $timeOffset);
 
     $query->execute();
@@ -549,6 +671,8 @@ class MySQL {
   // Cleaner tools
   public function resetBannedHostPages(int $timeOffset) {
 
+    $this->_debug->query->update->total++;
+
     $query = $this->_db->prepare('UPDATE `hostPage` SET `timeBanned` = NULL WHERE `timeBanned` IS NOT NULL AND `timeBanned` < ?');
 
     $query->execute([$timeOffset]);
@@ -558,6 +682,8 @@ class MySQL {
 
   public function resetBannedHosts(int $timeOffset) {
 
+    $this->_debug->query->update->total++;
+
     $query = $this->_db->prepare('UPDATE `host` SET `timeBanned` = NULL WHERE `timeBanned` IS NOT NULL AND `timeBanned` < ?');
 
     $query->execute([$timeOffset]);
@@ -568,6 +694,8 @@ class MySQL {
   // Crawler tools
   public function getHostPageCrawlQueueTotal(int $timeFrom) {
 
+    $this->_debug->query->select->total++;
+
     $query = $this->_db->prepare("SELECT COUNT(*) AS `total` FROM  `hostPage`
 
                                                              WHERE (`timeUpdated` IS NULL OR `timeUpdated` < ?) AND `hostPage`.`timeBanned` IS NULL");
@@ -579,6 +707,8 @@ class MySQL {
 
   public function getHostPageCrawlQueue(int $limit, int $timeFrom) {
 
+    $this->_debug->query->select->total++;
+
     $result = [];
 
     // Get ID (to prevent memory over usage)
@@ -595,6 +725,8 @@ class MySQL {
     // Get required page details
     foreach ($query->fetchAll() as $queue) {
 
+      $this->_debug->query->select->total++;
+
       $query = $this->_db->prepare("SELECT  `hostPage`.`hostId`,
                                             `hostPage`.`hostPageId`,
                                             `hostPage`.`uri`,
@@ -631,6 +763,8 @@ class MySQL {
 
   public function updateHostPageCrawlQueue(int $hostPageId, int $timeUpdated, int $httpCode, int $size) {
 
+    $this->_debug->query->update->total++;
+
     $query = $this->_db->prepare('UPDATE `hostPage` SET `timeUpdated` = ?, `httpCode` = ?, `size` = ? WHERE `hostPageId` = ? LIMIT 1');
 
     $query->execute([$timeUpdated, $httpCode, $size, $hostPageId]);
@@ -640,6 +774,8 @@ class MySQL {
 
   public function getHostCrawlQueue(int $limit, int $timeFrom) {
 
+    $this->_debug->query->select->total++;
+
     $result = [];
 
     // Get ID (to prevent memory over usage)
@@ -666,6 +802,8 @@ class MySQL {
 
   public function updateHostCrawlQueue(int $hostId, int $timeUpdated) {
 
+    $this->_debug->query->update->total++;
+
     $query = $this->_db->prepare('UPDATE `host` SET `timeUpdated` = ? WHERE `hostId` = ? LIMIT 1');
 
     $query->execute([$timeUpdated, $hostId]);